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27d033df35
16015 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Matthieu Baerts (NGI0)
|
e874557fce |
selftests: mptcp: userspace_pm: fixed subtest names
It is important to have fixed (sub)test names in TAP, because these
names are used to identify them. If they are not fixed, tracking cannot
be done.
Some subtests from the userspace_pm selftest were using random numbers
in their names: the client and server address IDs from $RANDOM, and the
client port number randomly picked by the kernel when creating the
connection. These values have been replaced by 'client' and 'server'
words: that's even more helpful than showing random numbers. Note that
the addresses IDs are incremented and decremented in the test: +1 or -1
are then displayed in these cases.
Not to loose info that can be useful for debugging in case of issues,
these random numbers are now displayed at the beginning of the test.
Fixes:
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||
|
Linus Torvalds
|
e6b324fbf2 |
19 hotfixes, 8 of which are cc:stable.
Mainly MM singleton fixes. And a couple of ocfs2 regression fixes. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZnCEQAAKCRDdBJ7gKXxA jmgSAQDk3BYs1n67cnwx/Zi04yMYDyfYTCYg2udPfT2a+GpmbwD+N5dJd/vCztXH 5eLpP11xd/yr2+I9FefyZeUuA80KtgQ= =2agY -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Mainly MM singleton fixes. And a couple of ocfs2 regression fixes" * tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: kcov: don't lose track of remote references during softirqs mm: shmem: fix getting incorrect lruvec when replacing a shmem folio mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick mm: fix possible OOB in numa_rebuild_large_mapping() mm/migrate: fix kernel BUG at mm/compaction.c:2761! selftests: mm: make map_fixed_noreplace test names stable mm/memfd: add documentation for MFD_NOEXEC_SEAL MFD_EXEC mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default gcov: add support for GCC 14 zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING mm: huge_memory: fix misused mapping_large_folio_support() for anon folios lib/alloc_tag: fix RCU imbalance in pgalloc_tag_get() lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=n MAINTAINERS: remove Lorenzo as vmalloc reviewer Revert "mm: init_mlocked_on_free_v3" mm/page_table_check: fix crash on ZONE_DEVICE gcc: disable '-Warray-bounds' for gcc-9 ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty() |
||
|
Yonghong Song
|
a62293c33b |
selftests/bpf: Add a few tests to cover
Add three unit tests in verifier_movsx.c to cover cases where missed var_off setting can cause unexpected verification success or failure. Signed-off-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/r/20240615174637.3995589-1-yonghong.song@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
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Mark Brown
|
e7d2a28bd0 |
selftests: mm: make map_fixed_noreplace test names stable
KTAP parsers interpret the output of ksft_test_result_*() as being the
name of the test. The map_fixed_noreplace test uses a dynamically
allocated base address for the mmap()s that it tests and currently
includes this in the test names that it logs so the test names that are
logged are not stable between runs. It also uses multiples of PAGE_SIZE
which mean that runs for kernels with different PAGE_SIZE configurations
can't be directly compared. Both these factors cause issues for CI
systems when interpreting and displaying results.
Fix this by replacing the current test names with fixed strings describing
the intent of the mappings that are logged, the existing messages with the
actual addresses and sizes are retained as diagnostic prints to aid in
debugging.
Link: https://lkml.kernel.org/r/20240605-kselftest-mm-fixed-noreplace-v1-1-a235db8b9be9@kernel.org
Fixes:
|
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|
Jakub Kicinski
|
c64da10adb |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZmykPwAKCRDbK58LschI g7LOAQDVPkJ9k50/xrWIBtgvkGq1jCrMlpwEh49QYO0xoqh1IgEA+6Xje9jCIsdp AHz9WmZ6G0EpTuDgFq50K1NVZ7MgSQE= =zKfv -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-06-14 We've added 8 non-merge commits during the last 2 day(s) which contain a total of 9 files changed, 92 insertions(+), 11 deletions(-). The main changes are: 1) Silence a syzkaller splat under CONFIG_DEBUG_NET=y in pskb_pull_reason() triggered via __bpf_try_make_writable(), from Florian Westphal. 2) Fix removal of kfuncs during linking phase which then throws a kernel build warning via resolve_btfids about unresolved symbols, from Tony Ambardar. 3) Fix a UML x86_64 compilation failure from BPF as pcpu_hot symbol is not available on User Mode Linux, from Maciej Żenczykowski. 4) Fix a register corruption in reg_set_min_max triggering an invariant violation in BPF verifier, from Daniel Borkmann. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: Harden __bpf_kfunc tag against linker kfunc removal compiler_types.h: Define __retain for __attribute__((__retain__)) bpf: Avoid splat in pskb_pull_reason bpf: fix UML x86_64 compile failure selftests/bpf: Add test coverage for reg_set_min_max handling bpf: Reduce stack consumption in check_stack_write_fixed_off bpf: Fix reg_set_min_max corruption of fake_reg MAINTAINERS: mailmap: Update Stanislav's email address ==================== Link: https://lore.kernel.org/r/20240614203223.26500-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Daniel Borkmann
|
ceb65eb600 |
selftests/bpf: Add test coverage for reg_set_min_max handling
Add a test case for the jmp32/k fix to ensure selftests have coverage. Before fix: # ./vmtest.sh -- ./test_progs -t verifier_or_jmp32_k [...] ./test_progs -t verifier_or_jmp32_k tester_init:PASS:tester_log_buf 0 nsec process_subtest:PASS:obj_open_mem 0 nsec process_subtest:PASS:specs_alloc 0 nsec run_subtest:PASS:obj_open_mem 0 nsec run_subtest:FAIL:unexpected_load_success unexpected success: 0 #492/1 verifier_or_jmp32_k/or_jmp32_k: bit ops + branch on unknown value:FAIL #492 verifier_or_jmp32_k:FAIL Summary: 0/0 PASSED, 0 SKIPPED, 1 FAILED After fix: # ./vmtest.sh -- ./test_progs -t verifier_or_jmp32_k [...] ./test_progs -t verifier_or_jmp32_k #492/1 verifier_or_jmp32_k/or_jmp32_k: bit ops + branch on unknown value:OK #492 verifier_or_jmp32_k:OK Summary: 1/1 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/r/20240613115310.25383-3-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Linus Torvalds
|
d20f6b3d74 |
Including fixes from bluetooth and netfilter.
Current release - regressions:
- Revert "igc: fix a log entry using uninitialized netdev",
it traded lack of netdev name in a printk() for a crash
Previous releases - regressions:
- Bluetooth: L2CAP: fix rejecting L2CAP_CONN_PARAM_UPDATE_REQ
- geneve: fix incorrectly setting lengths of inner headers in the skb,
confusing the drivers and causing mangled packets
- sched: initialize noop_qdisc owner to avoid false-positive recursion
detection (recursing on CPU 0), which bubbles up to user space as
a sendmsg() error, while noop_qdisc should silently drop
- netdevsim: fix backwards compatibility in nsim_get_iflink()
Previous releases - always broken:
- netfilter: ipset: fix race between namespace cleanup and gc
in the list:set type
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth and netfilter.
Slim pickings this time, probably a combination of summer, DevConf.cz,
and the end of first half of the year at corporations.
Current release - regressions:
- Revert "igc: fix a log entry using uninitialized netdev", it traded
lack of netdev name in a printk() for a crash
Previous releases - regressions:
- Bluetooth: L2CAP: fix rejecting L2CAP_CONN_PARAM_UPDATE_REQ
- geneve: fix incorrectly setting lengths of inner headers in the
skb, confusing the drivers and causing mangled packets
- sched: initialize noop_qdisc owner to avoid false-positive
recursion detection (recursing on CPU 0), which bubbles up to user
space as a sendmsg() error, while noop_qdisc should silently drop
- netdevsim: fix backwards compatibility in nsim_get_iflink()
Previous releases - always broken:
- netfilter: ipset: fix race between namespace cleanup and gc in the
list:set type"
* tag 'net-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (35 commits)
bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send()
af_unix: Read with MSG_PEEK loops if the first unread byte is OOB
bnxt_en: Cap the size of HWRM_PORT_PHY_QCFG forwarded response
gve: Clear napi->skb before dev_kfree_skb_any()
ionic: fix use after netif_napi_del()
Revert "igc: fix a log entry using uninitialized netdev"
net: bridge: mst: fix suspicious rcu usage in br_mst_set_state
net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
net/ipv6: Fix the RT cache flush via sysctl using a previous delay
net: stmmac: replace priv->speed with the portTransmitRate from the tc-cbs parameters
gve: ignore nonrelevant GSO type bits when processing TSO headers
net: pse-pd: Use EOPNOTSUPP error code instead of ENOTSUPP
netfilter: Use flowlabel flow key when re-routing mangled packets
netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type
netfilter: nft_inner: validate mandatory meta and payload
tcp: use signed arithmetic in tcp_rtx_probe0_timed_out()
mailmap: map Geliang's new email address
mptcp: pm: update add_addr counters after connect
mptcp: pm: inc RmAddr MIB counter once per RM_ADDR ID
mptcp: ensure snd_una is properly initialized on connect
...
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|
John Hubbard
|
ed3994ac84 |
selftests/fchmodat2: fix clang build failure due to -static-libasan
gcc requires -static-libasan in order to ensure that Address Sanitizer's
library is the first one loaded. However, this leads to build failures
on clang, when building via:
make LLVM=1 -C tools/testing/selftests
However, clang already does the right thing by default: it statically
links the Address Sanitizer if -fsanitize is specified. Therefore,
simply omit -static-libasan for clang builds. And leave behind a
comment, because the whole reason for static linking might not be
obvious.
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
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|
John Hubbard
|
442b15a2d7 |
selftests/openat2: fix clang build failures: -static-libasan, LOCAL_HDRS
When building with clang via:
make LLVM=1 -C tools/testing/selftests
two distinct failures occur:
1) gcc requires -static-libasan in order to ensure that Address
Sanitizer's library is the first one loaded. However, this leads to
build failures on clang, when building via:
make LLVM=1 -C tools/testing/selftests
However, clang already does the right thing by default: it statically
links the Address Sanitizer if -fsanitize is specified. Therefore, fix
this by simply omitting -static-libasan for clang builds. And leave
behind a comment, because the whole reason for static linking might not
be obvious.
2) clang won't accept invocations of this form, but gcc will:
$(CC) file1.c header2.h
Fix this by using selftests/lib.mk facilities for tracking local header
file dependencies: add them to LOCAL_HDRS, leaving only the .c files to
be passed to the compiler.
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
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|
Amer Al Shanawany
|
04e1f99afe |
selftests: seccomp: fix format-zero-length warnings
fix the following errors by using string format specifier and an empty
parameter:
seccomp_benchmark.c:197:24: warning: zero-length gnu_printf format
string [-Wformat-zero-length]
197 | ksft_print_msg("");
| ^~
seccomp_benchmark.c:202:24: warning: zero-length gnu_printf format
string [-Wformat-zero-length]
202 | ksft_print_msg("");
| ^~
seccomp_benchmark.c:204:24: warning: zero-length gnu_printf format
string [-Wformat-zero-length]
204 | ksft_print_msg("");
| ^~
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312260235.Uj5ug8K9-lkp@intel.com/
Suggested-by: Kees Cook <kees@kernel.org>
Signed-off-by: Amer Al Shanawany <amer.shanawany@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
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|
Amer Al Shanawany
|
2049aad5d3 |
selftests: filesystems: fix warn_unused_result build warnings
Fix the following warnings by adding return check and error messages.
statmount_test.c: In function ‘cleanup_namespace’:
statmount_test.c:128:9: warning: ignoring return value of ‘fchdir’
declared with attribute ‘warn_unused_result’ [-Wunused-result]
128 | fchdir(orig_root);
| ^~~~~~~~~~~~~~~~~
statmount_test.c:129:9: warning: ignoring return value of ‘chroot’
declared with attribute ‘warn_unused_result’ [-Wunused-result]
129 | chroot(".");
| ^~~~~~~~~~~
Signed-off-by: Amer Al Shanawany <amer.shanawany@gmail.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
||
|
YonglongLi
|
40eec1795c |
mptcp: pm: update add_addr counters after connect
The creation of new subflows can fail for different reasons. If no
subflow have been created using the received ADD_ADDR, the related
counters should not be updated, otherwise they will never be decremented
for events related to this ID later on.
For the moment, the number of accepted ADD_ADDR is only decremented upon
the reception of a related RM_ADDR, and only if the remote address ID is
currently being used by at least one subflow. In other words, if no
subflow can be created with the received address, the counter will not
be decremented. In this case, it is then important not to increment
pm.add_addr_accepted counter, and not to modify pm.accept_addr bit.
Note that this patch does not modify the behaviour in case of failures
later on, e.g. if the MP Join is dropped or rejected.
The "remove invalid addresses" MP Join subtest has been modified to
validate this case. The broadcast IP address is added before the "valid"
address that will be used to successfully create a subflow, and the
limit is decreased by one: without this patch, it was not possible to
create the last subflow, because:
- the broadcast address would have been accepted even if it was not
usable: the creation of a subflow to this address results in an error,
- the limit of 2 accepted ADD_ADDR would have then been reached.
Fixes:
|
||
|
YonglongLi
|
6a09788c1a |
mptcp: pm: inc RmAddr MIB counter once per RM_ADDR ID
The RmAddr MIB counter is supposed to be incremented once when a valid
RM_ADDR has been received. Before this patch, it could have been
incremented as many times as the number of subflows connected to the
linked address ID, so it could have been 0, 1 or more than 1.
The "RmSubflow" is incremented after a local operation. In this case,
it is normal to tied it with the number of subflows that have been
actually removed.
The "remove invalid addresses" MP Join subtest has been modified to
validate this case. A broadcast IP address is now used instead: the
client will not be able to create a subflow to this address. The
consequence is that when receiving the RM_ADDR with the ID attached to
this broadcast IP address, no subflow linked to this ID will be found.
Fixes:
|
||
|
Linus Torvalds
|
8d6b029e15 |
s390 updates for 6.10-rc3
- Do not create PT_LOAD program header for the kenel image when the virtual memory informaton in OS_INFO data is not available. That fixes stand-alone dump failures against kernels that do not provide the virtual memory informaton - Add KVM s390 shared zeropage selftest -----BEGIN PGP SIGNATURE----- iI0EABYIADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCZmMO4xccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8ErcAQDLfDjQsjL3pJOaCuRqK2KyCgnD azZSDzjKZ/C03MX/vgEA505txGFI5UthiVRHLR/GEZs6E7q+C5fuHexFPbG1XQg= =dIuv -----END PGP SIGNATURE----- Merge tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Alexander Gordeev: - Do not create PT_LOAD program header for the kenel image when the virtual memory informaton in OS_INFO data is not available. That fixes stand-alone dump failures against kernels that do not provide the virtual memory informaton - Add KVM s390 shared zeropage selftest * tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: KVM: s390x: selftests: Add shared zeropage test s390/crash: Do not use VM info if os_info does not have it |
||
|
Linus Torvalds
|
d30d0e49da |
Including fixes from BPF and big collection of fixes for WiFi core
and drivers.
Current release - regressions:
- vxlan: fix regression when dropping packets due to invalid src addresses
- bpf: fix a potential use-after-free in bpf_link_free()
- xdp: revert support for redirect to any xsk socket bound to the same
UMEM as it can result in a corruption
- virtio_net:
- add missing lock protection when reading return code from control_buf
- fix false-positive lockdep splat in DIM
- Revert "wifi: wilc1000: convert list management to RCU"
- wifi: ath11k: fix error path in ath11k_pcic_ext_irq_config
Previous releases - regressions:
- rtnetlink: make the "split" NLM_DONE handling generic, restore the old
behavior for two cases where we started coalescing those messages with
normal messages, breaking sloppily-coded userspace
- wifi:
- cfg80211: validate HE operation element parsing
- cfg80211: fix 6 GHz scan request building
- mt76: mt7615: add missing chanctx ops
- ath11k: move power type check to ASSOC stage, fix connecting
to 6 GHz AP
- ath11k: fix WCN6750 firmware crash caused by 17 num_vdevs
- rtlwifi: ignore IEEE80211_CONF_CHANGE_RETRY_LIMITS
- iwlwifi: mvm: fix a crash on 7265
Previous releases - always broken:
- ncsi: prevent multi-threaded channel probing, a spec violation
- vmxnet3: disable rx data ring on dma allocation failure
- ethtool: init tsinfo stats if requested, prevent unintentionally
reporting all-zero stats on devices which don't implement any
- dst_cache: fix possible races in less common IPv6 features
- tcp: auth: don't consider TCP_CLOSE to be in TCP_AO_ESTABLISHED
- ax25: fix two refcounting bugs
- eth: ionic: fix kernel panic in XDP_TX action
Misc:
- tcp: count CLOSE-WAIT sockets for TCP_MIB_CURRESTAB
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from BPF and big collection of fixes for WiFi core and
drivers.
Current release - regressions:
- vxlan: fix regression when dropping packets due to invalid src
addresses
- bpf: fix a potential use-after-free in bpf_link_free()
- xdp: revert support for redirect to any xsk socket bound to the
same UMEM as it can result in a corruption
- virtio_net:
- add missing lock protection when reading return code from
control_buf
- fix false-positive lockdep splat in DIM
- Revert "wifi: wilc1000: convert list management to RCU"
- wifi: ath11k: fix error path in ath11k_pcic_ext_irq_config
Previous releases - regressions:
- rtnetlink: make the "split" NLM_DONE handling generic, restore the
old behavior for two cases where we started coalescing those
messages with normal messages, breaking sloppily-coded userspace
- wifi:
- cfg80211: validate HE operation element parsing
- cfg80211: fix 6 GHz scan request building
- mt76: mt7615: add missing chanctx ops
- ath11k: move power type check to ASSOC stage, fix connecting to
6 GHz AP
- ath11k: fix WCN6750 firmware crash caused by 17 num_vdevs
- rtlwifi: ignore IEEE80211_CONF_CHANGE_RETRY_LIMITS
- iwlwifi: mvm: fix a crash on 7265
Previous releases - always broken:
- ncsi: prevent multi-threaded channel probing, a spec violation
- vmxnet3: disable rx data ring on dma allocation failure
- ethtool: init tsinfo stats if requested, prevent unintentionally
reporting all-zero stats on devices which don't implement any
- dst_cache: fix possible races in less common IPv6 features
- tcp: auth: don't consider TCP_CLOSE to be in TCP_AO_ESTABLISHED
- ax25: fix two refcounting bugs
- eth: ionic: fix kernel panic in XDP_TX action
Misc:
- tcp: count CLOSE-WAIT sockets for TCP_MIB_CURRESTAB"
* tag 'net-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (107 commits)
selftests: net: lib: set 'i' as local
selftests: net: lib: avoid error removing empty netns name
selftests: net: lib: support errexit with busywait
net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
ipv6: fix possible race in __fib6_drop_pcpu_from()
af_unix: Annotate data-race of sk->sk_shutdown in sk_diag_fill().
af_unix: Use skb_queue_len_lockless() in sk_diag_show_rqlen().
af_unix: Use skb_queue_empty_lockless() in unix_release_sock().
af_unix: Use unix_recvq_full_lockless() in unix_stream_connect().
af_unix: Annotate data-race of net->unx.sysctl_max_dgram_qlen.
af_unix: Annotate data-races around sk->sk_sndbuf.
af_unix: Annotate data-races around sk->sk_state in UNIX_DIAG.
af_unix: Annotate data-race of sk->sk_state in unix_stream_read_skb().
af_unix: Annotate data-races around sk->sk_state in sendmsg() and recvmsg().
af_unix: Annotate data-race of sk->sk_state in unix_accept().
af_unix: Annotate data-race of sk->sk_state in unix_stream_connect().
af_unix: Annotate data-races around sk->sk_state in unix_write_space() and poll().
af_unix: Annotate data-race of sk->sk_state in unix_inq_len().
af_unix: Annodate data-races around sk->sk_state for writers.
af_unix: Set sk->sk_state under unix_state_lock() for truly disconencted peer.
...
|
||
|
Matthieu Baerts (NGI0)
|
84a8bc3ec2 |
selftests: net: lib: set 'i' as local
Without this, the 'i' variable declared before could be overridden by
accident, e.g.
for i in "${@}"; do
__ksft_status_merge "${i}" ## 'i' has been modified
foo "${i}" ## using 'i' with an unexpected value
done
After a quick look, it looks like 'i' is currently not used after having
been modified in __ksft_status_merge(), but still, better be safe than
sorry. I saw this while modifying the same file, not because I suspected
an issue somewhere.
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
79322174bc |
selftests: net: lib: avoid error removing empty netns name
If there is an error to create the first netns with 'setup_ns()',
'cleanup_ns()' will be called with an empty string as first parameter.
The consequences is that 'cleanup_ns()' will try to delete an invalid
netns, and wait 20 seconds if the netns list is empty.
Instead of just checking if the name is not empty, convert the string
separated by spaces to an array. Manipulating the array is cleaner, and
calling 'cleanup_ns()' with an empty array will be a no-op.
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
41b02ea4c0 |
selftests: net: lib: support errexit with busywait
If errexit is enabled ('set -e'), loopy_wait -- or busywait and others
using it -- will stop after the first failure.
Note that if the returned status of loopy_wait is checked, and even if
errexit is enabled, Bash will not stop at the first error.
Fixes:
|
||
|
Andrew Jones
|
0fc670d07d |
KVM: selftests: Fix RISC-V compilation
Due to commit |
||
|
Jakub Kicinski
|
886bf9172d |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZmAYPgAKCRDbK58LschI g2XdAP9M8zYLRw4IG8DUFug7F+oqRPqgbs+Gvsf9YNl5/PSiTQEA6WKa/ObaG/W9 vre9VxhMWKgcMfzqZyztNHAiDm8R+QI= =l7gV -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-06-05 We've added 8 non-merge commits during the last 6 day(s) which contain a total of 9 files changed, 34 insertions(+), 35 deletions(-). The main changes are: 1) Fix a potential use-after-free in bpf_link_free when the link uses dealloc_deferred to free the link object but later still tests for presence of link->ops->dealloc, from Cong Wang. 2) Fix BPF test infra to set the run context for rawtp test_run callback where syzbot reported a crash, from Jiri Olsa. 3) Fix bpf_session_cookie BTF_ID in the special_kfunc_set list to exclude it for the case of !CONFIG_FPROBE, also from Jiri Olsa. 4) Fix a Coverity static analysis report to not close() a link_fd of -1 in the multi-uprobe feature detector, from Andrii Nakryiko. 5) Revert support for redirect to any xsk socket bound to the same umem as it can result in corrupted ring state which can lead to a crash when flushing rings. A different approach will be pursued for bpf-next to address it safely, from Magnus Karlsson. 6) Fix inet_csk_accept prototype in test_sk_storage_tracing.c which caused BPF CI failure after the last tree fast forwarding, from Andrii Nakryiko. 7) Fix a coccicheck warning in BPF devmap that iterator variable cannot be NULL, from Thorsten Blum. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: Revert "xsk: Document ability to redirect to any socket bound to the same umem" Revert "xsk: Support redirect to any socket bound to the same umem" bpf: Set run context for rawtp test_run callback bpf: Fix a potential use-after-free in bpf_link_free() bpf, devmap: Remove unnecessary if check in for loop libbpf: don't close(-1) in multi-uprobe feature detector bpf: Fix bpf_session_cookie BTF_ID in special_kfunc_set list selftests/bpf: fix inet_csk_accept prototype in test_sk_storage_tracing.c ==================== Link: https://lore.kernel.org/r/20240605091525.22628-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
David Hildenbrand
|
01c51a32dc |
KVM: s390x: selftests: Add shared zeropage test
Let's test that we can have shared zeropages in our process as long as storage keys are not getting used, that shared zeropages are properly unshared (replaced by anonymous pages) once storage keys are enabled, and that no new shared zeropages are populated after storage keys were enabled. We require the new pagemap interface to detect the shared zeropage. On an old kernel (zeropages always disabled): # ./s390x/shared_zeropage_test TAP version 13 1..3 not ok 1 Shared zeropages should be enabled ok 2 Shared zeropage should be gone ok 3 Shared zeropages should be disabled # Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0 On a fixed kernel: # ./s390x/shared_zeropage_test TAP version 13 1..3 ok 1 Shared zeropages should be enabled ok 2 Shared zeropage should be gone ok 3 Shared zeropages should be disabled # Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0 Testing of UFFDIO_ZEROPAGE can be added later. [ agordeev: Fixed checkpatch complaint, added ucall_common.h include ] Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Janosch Frank <frankja@linux.ibm.com> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: Thomas Huth <thuth@redhat.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com> Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Tested-by: Alexander Gordeev <agordeev@linux.ibm.com> Link: https://lore.kernel.org/r/20240412084329.30315-1-david@redhat.com Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> |
||
|
Tao Su
|
980b8bc019 |
KVM: selftests: x86: Prioritize getting max_gfn from GuestPhysBits
Use the max mappable GPA via GuestPhysBits advertised by KVM to calculate max_gfn. Currently some selftests (e.g. access_tracking_perf_test, dirty_log_test...) add RAM regions close to max_gfn, so guest may access GPA beyond its mappable range and cause infinite loop. Adjust max_gfn in vm_compute_max_gfn() since x86 selftests already overrides vm_compute_max_gfn() specifically to deal with goofy edge cases. Reported-by: Yi Lai <yi1.lai@intel.com> Signed-off-by: Tao Su <tao1.su@linux.intel.com> Tested-by: Yi Lai <yi1.lai@intel.com> Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> Link: https://lore.kernel.org/r/20240513014003.104593-1-tao1.su@linux.intel.com [sean: tweak name, add comment and sanity check] Signed-off-by: Sean Christopherson <seanjc@google.com> |
||
|
Colin Ian King
|
d21b3c60d6 |
KVM: selftests: Fix shift of 32 bit unsigned int more than 32 bits
Currrentl a 32 bit 1u value is being shifted more than 32 bits causing
overflow and incorrect checking of bits 32-63. Fix this by using the
BIT_ULL macro for shifting bits.
Detected by cppcheck:
sev_init2_tests.c:108:34: error: Shifting 32-bit value by 63 bits is
undefined behaviour [shiftTooManyBits]
Fixes:
|
||
|
Hangbin Liu
|
712115a24b |
selftests: hsr: add missing config for CONFIG_BRIDGE
hsr_redbox.sh test need to create bridge for testing. Add the missing
config CONFIG_BRIDGE in config file.
Fixes:
|
||
|
Linus Torvalds
|
32f88d65f0 |
linux_kselftest-fixes-6.10-rc3
This kselftest fixes update consists of fixes to build warnings in several tests and fixes to ftrace tests. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmZfMrAACgkQCwJExA0N QxwsSRAAjtg9M7RndlxEmHItQUEfk8pss/EuAmnDOVUHDIcSCfwu2SbO0RKad7Rl LtlTfpnuYXrqBYjtQBJtOtfbyU6gN3riPFglzzhIqmmlsz0M18u/wfgFLKy80BYu maJ75lPz0Pp7yBuZ6WuRSq8RzjwzdK0boDrYfQfCKiFWHDQreeVFFazhp2Qt4Jns KK2z5fD347nDdqWmfTfz/U21nBA+6p2VMjs8OkKjLKoI996GL1k3hY3K/vJSWQSE ASt9U+cdVJl346aL5riFtt1znav4KgxTEDRPxxJDHXDHPXt86hgu0WOD9kptiwZf Cxc8RXsEtrh3VxbGJ4jLVndeF9bqQHtk1ZBqJdUrxDrhlfZMCRYdsP47CRMvP8Tn KV+4FNoZXGVty+IO7xKiC2AMEAPK126lvhv53evvhLk3FW9hSJ2ftogQxrYAm3Hq EVe6IMn8i4TIIZWhhCoM42KxHMMxN7ewymjMJ++fQRFy8zf3qAjc5I/r99A2z86c 0c2iaOjAUCs0i4EUaWHp+qh7HundmCCq3IuFMdxvrQj/ojZCXGFH5irdGDUh+tSB I6w+TWC4jnePFHo7cfZQG84po+NRrGV/qRNnMBHR9y0DaRCOiO5ps4O4VeZRGplx VLOpacU2si5sunI0g6dK7AnycQN+Ecw0P/F25eWXTUATtp4xN0s= =AsE4 -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-fixes-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "Fixes to build warnings in several tests and fixes to ftrace tests" * tag 'linux_kselftest-fixes-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/futex: don't pass a const char* to asprintf(3) selftests/futex: don't redefine .PHONY targets (all, clean) selftests/tracing: Fix event filter test to retry up to 10 times selftests/futex: pass _GNU_SOURCE without a value to the compiler selftests/overlayfs: Fix build error on ppc64 selftests/openat2: Fix build warnings on ppc64 selftests: cachestat: Fix build warnings on ppc64 tracing/selftests: Fix kprobe event name test for .isra. functions selftests/ftrace: Update required config selftests/ftrace: Fix to check required event file kselftest/alsa: Ensure _GNU_SOURCE is defined |
||
|
Linus Torvalds
|
2ab7951410 |
cxl fixes for v6.10-rc3
- Compile fix for cxl-test from missing linux/vmalloc.h - Fix for memregion leaks in devm_cxl_add_region() -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE5DAy15EJMCV1R6v9YGjFFmlTOEoFAmZeIuoACgkQYGjFFmlT OEoZ7A/+IXr/2KFjKZzyvXuArZLSq0ieWjPwK2Ym6qKP8E5ykMZjE4SLmbQTbElM YciFp5Y51T/e1psKbajUVMHHMLeBS2mBOsFamEjOOAlRs0nVdMfByzcXqXSh2elL FK2xzdxQ5icHRoXpezXSPVljClYCjelYLv9O1q+SWlaobe9bLfhmdjOGCWgCLqNI mdkbfpWKU8alHVpDkpzve0uV3MFf+kaEbr1DWmJvriES67NicOEY1R2RL8mKZ1A0 9+nfnth+Q3AIYeQ4XqXQSGniP3qh3jFyasu3ijbZqzsRngLshRbtjGJTldWccELh Lgod37ZItFAZAUOXMuNVQIPT8bJQCAB+rYroXoO2bgVezDzmQwGp+y+bUsds+p5+ 6/EHgsH/P56PWtIxanBsLWttsivpQYlZvgIZzg3N/5j9ouKxhihcbWFRKGf2X3k+ JZ32/pHcE1EPQL91Min3S6SI0nMFCIxYMBRefIDtNLlERpjHeACUcNuwcISqkiwr kCYTUwtZu+ULdga72nx5Gtuvp62LHulaGWZrYe3kcjcDRA7fHYNL9sdciD5YfIzf 1Q9RJF6LKHRaHZqWYWH6v6gv3z9VvpX86Av75aDwTCCtpZAc/5KhQ+ocURmRC/XQ yX4M3oxnBxrdL8Rh8zgT1ohJjzUZS0E0UOXyI2AScBL714Dzrtg= =GuxH -----END PGP SIGNATURE----- Merge tag 'cxl-fixes-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull cxl fixes from Dave Jiang: - Compile fix for cxl-test from missing linux/vmalloc.h - Fix for memregion leaks in devm_cxl_add_region() * tag 'cxl-fixes-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: cxl/region: Fix memregion leaks in devm_cxl_add_region() cxl/test: Add missing vmalloc.h for tools/testing/cxl/test/mem.c |
||
|
Linus Torvalds
|
d9aab0b1c9 |
Landlock fix for v6.10-rc2
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCZlntgBAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbShXAA/3ecCnZWTkgHKSKQiS+t1nUkQmAgZ1Zzmm6v UaJDCOBnAP9nAEfgEgMHZO1LVL38N6EWzexjnglFkZFHpT8gFwKtCw== =R5nh -----END PGP SIGNATURE----- Merge tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "This fixes a wrong path walk triggered by syzkaller" * tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/landlock: Add layout1.refer_mount_root landlock: Fix d_parent walk |
||
|
Andrii Nakryiko
|
62da3acd28 |
selftests/bpf: fix inet_csk_accept prototype in test_sk_storage_tracing.c
Recent kernel change ([0]) changed inet_csk_accept() prototype. Adapt
progs/test_sk_storage_tracing.c to take that into account.
[0]
|
||
|
John Hubbard
|
4bf15b1c65 |
selftests/futex: don't pass a const char* to asprintf(3)
When building with clang, via:
make LLVM=1 -C tools/testing/selftests
...clang issues this warning:
futex_requeue_pi.c:403:17: warning: passing 'const char **' to parameter
of type 'char **' discards qualifiers in nested pointer types
[-Wincompatible-pointer-types-discards-qualifiers]
This warning fires because test_name is passed into asprintf(3), which
then changes it.
Fix this by simply removing the const qualifier. This is a local
automatic variable in a very short function, so there is not much need
to use the compiler to enforce const-ness at this scope.
[1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9ed7d1c49f@valentinobst.de/
Fixes:
|
||
|
John Hubbard
|
32c75ad4a7 |
selftests/futex: don't redefine .PHONY targets (all, clean)
The .PHONY targets "all" and "clean" are both already defined in the
file that is included in the very next line:
../lib.mk.
Remove this duplicate code.
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
||
|
Mickaël Salaün
|
0055f53aac
|
selftests/landlock: Add layout1.refer_mount_root
Add tests to check error codes when linking or renaming a mount root directory. This previously triggered a kernel warning, but it is fixed with the previous commit. Cc: Günther Noack <gnoack@google.com> Cc: Paul Moore <paul@paul-moore.com> Link: https://lore.kernel.org/r/20240516181935.1645983-3-mic@digikod.net Signed-off-by: Mickaël Salaün <mic@digikod.net> |
||
|
Masami Hiramatsu (Google)
|
0f42bdf59b |
selftests/tracing: Fix event filter test to retry up to 10 times
Commit |
||
|
John Hubbard
|
cb708ab9f5 |
selftests/futex: pass _GNU_SOURCE without a value to the compiler
It's slightly better to set _GNU_SOURCE in the source code, but if one
must do it via the compiler invocation, then the best way to do so is
this:
$(CC) -D_GNU_SOURCE=
...because otherwise, if this form is used:
$(CC) -D_GNU_SOURCE
...then that leads the compiler to set a value, as if you had passed in:
$(CC) -D_GNU_SOURCE=1
That, in turn, leads to warnings under both gcc and clang, like this:
futex_requeue_pi.c:20: warning: "_GNU_SOURCE" redefined
Fix this by using the "-D_GNU_SOURCE=" form.
Reviewed-by: Edward Liaw <edliaw@google.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
||
|
Linus Torvalds
|
d8ec19857b |
Including fixes from bpf and netfilter.
Current release - regressions:
- gro: initialize network_offset in network layer
- tcp: reduce accepted window in NEW_SYN_RECV state
Current release - new code bugs:
- eth: mlx5e: do not use ptp structure for tx ts stats when not initialized
- eth: ice: check for unregistering correct number of devlink params
Previous releases - regressions:
- bpf: Allow delete from sockmap/sockhash only if update is allowed
- sched: taprio: extend minimum interval restriction to entire cycle too
- netfilter: ipset: add list flush to cancel_gc
- ipv4: fix address dump when IPv4 is disabled on an interface
- sock_map: avoid race between sock_map_close and sk_psock_put
- eth: mlx5: use mlx5_ipsec_rx_status_destroy to correctly delete status rules
Previous releases - always broken:
- core: fix __dst_negative_advice() race
- bpf:
- fix multi-uprobe PID filtering logic
- fix pkt_type override upon netkit pass verdict
- netfilter: tproxy: bail out if IP has been disabled on the device
- af_unix: annotate data-race around unix_sk(sk)->addr
- eth: mlx5e: fix UDP GSO for encapsulated packets
- eth: idpf: don't enable NAPI and interrupts prior to allocating Rx buffers
- eth: i40e: fully suspend and resume IO operations in EEH case
- eth: octeontx2-pf: free send queue buffers incase of leaf to inner
- eth: ipvlan: dont Use skb->sk in ipvlan_process_v{4,6}_outbound
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf and netfilter.
Current release - regressions:
- gro: initialize network_offset in network layer
- tcp: reduce accepted window in NEW_SYN_RECV state
Current release - new code bugs:
- eth: mlx5e: do not use ptp structure for tx ts stats when not
initialized
- eth: ice: check for unregistering correct number of devlink params
Previous releases - regressions:
- bpf: Allow delete from sockmap/sockhash only if update is allowed
- sched: taprio: extend minimum interval restriction to entire cycle
too
- netfilter: ipset: add list flush to cancel_gc
- ipv4: fix address dump when IPv4 is disabled on an interface
- sock_map: avoid race between sock_map_close and sk_psock_put
- eth: mlx5: use mlx5_ipsec_rx_status_destroy to correctly delete
status rules
Previous releases - always broken:
- core: fix __dst_negative_advice() race
- bpf:
- fix multi-uprobe PID filtering logic
- fix pkt_type override upon netkit pass verdict
- netfilter: tproxy: bail out if IP has been disabled on the device
- af_unix: annotate data-race around unix_sk(sk)->addr
- eth: mlx5e: fix UDP GSO for encapsulated packets
- eth: idpf: don't enable NAPI and interrupts prior to allocating Rx
buffers
- eth: i40e: fully suspend and resume IO operations in EEH case
- eth: octeontx2-pf: free send queue buffers incase of leaf to inner
- eth: ipvlan: dont Use skb->sk in ipvlan_process_v{4,6}_outbound"
* tag 'net-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
netdev: add qstat for csum complete
ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound
net: ena: Fix redundant device NUMA node override
ice: check for unregistering correct number of devlink params
ice: fix 200G PHY types to link speed mapping
i40e: Fully suspend and resume IO operations in EEH case
i40e: factoring out i40e_suspend/i40e_resume
e1000e: move force SMBUS near the end of enable_ulp function
net: dsa: microchip: fix RGMII error in KSZ DSA driver
ipv4: correctly iterate over the target netns in inet_dump_ifaddr()
net: fix __dst_negative_advice() race
nfc/nci: Add the inconsistency check between the input data length and count
MAINTAINERS: dwmac: starfive: update Maintainer
net/sched: taprio: extend minimum interval restriction to entire cycle too
net/sched: taprio: make q->picos_per_byte available to fill_sched_entry()
netfilter: nft_fib: allow from forward/input without iif selector
netfilter: tproxy: bail out if IP has been disabled on the device
netfilter: nft_payload: skbuff vlan metadata mangle support
net: ti: icssg-prueth: Fix start counter for ft1 filter
sock_map: avoid race between sock_map_close and sk_psock_put
...
|
||
|
Michael Ellerman
|
e8b8c5264d |
selftests/overlayfs: Fix build error on ppc64
Fix build error on ppc64:
dev_in_maps.c: In function ‘get_file_dev_and_inode’:
dev_in_maps.c:60:59: error: format ‘%llu’ expects argument of type
‘long long unsigned int *’, but argument 7 has type ‘__u64 *’ {aka ‘long
unsigned int *’} [-Werror=format=]
By switching to unsigned long long for u64 for ppc64 builds.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
||
|
Michael Ellerman
|
84b6df4c49 |
selftests/openat2: Fix build warnings on ppc64
Fix warnings like:
openat2_test.c: In function ‘test_openat2_flags’:
openat2_test.c:303:73: warning: format ‘%llX’ expects argument of type
‘long long unsigned int’, but argument 5 has type ‘__u64’ {aka ‘long
unsigned int’} [-Wformat=]
By switching to unsigned long long for u64 for ppc64 builds.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
||
|
Michael Ellerman
|
bc4d5f5d2d |
selftests: cachestat: Fix build warnings on ppc64
Fix warnings like:
test_cachestat.c: In function ‘print_cachestat’:
test_cachestat.c:30:38: warning: format ‘%llu’ expects argument of
type ‘long long unsigned int’, but argument 2 has type ‘__u64’ {aka
‘long unsigned int’} [-Wformat=]
By switching to unsigned long long for u64 for ppc64 builds.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
||
|
Steven Rostedt (Google)
|
23a4b108ac |
tracing/selftests: Fix kprobe event name test for .isra. functions
The kprobe_eventname.tc test checks if a function with .isra. can have a
kprobe attached to it. It loops through the kallsyms file for all the
functions that have the .isra. name, and checks if it exists in the
available_filter_functions file, and if it does, it uses it to attach a
kprobe to it.
The issue is that kprobes can not attach to functions that are listed more
than once in available_filter_functions. With the latest kernel, the
function that is found is: rapl_event_update.isra.0
# grep rapl_event_update.isra.0 /sys/kernel/tracing/available_filter_functions
rapl_event_update.isra.0
rapl_event_update.isra.0
It is listed twice. This causes the attached kprobe to it to fail which in
turn fails the test. Instead of just picking the function function that is
found in available_filter_functions, pick the first one that is listed
only once in available_filter_functions.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Masami Hiramatsu (Google)
|
7ea794604b |
selftests/ftrace: Update required config
Update required config options for running all tests. This also sorts the config entries alphabetically. Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
|
Masami Hiramatsu (Google)
|
f6c3c83db1 |
selftests/ftrace: Fix to check required event file
The dynevent/test_duplicates.tc test case uses `syscalls/sys_enter_openat`
event for defining eprobe on it. Since this `syscalls` events depend on
CONFIG_FTRACE_SYSCALLS=y, if it is not set, the test will fail.
Add the event file to `required` line so that the test will return
`unsupported` result.
Fixes:
|
||
|
Mark Brown
|
2032e61e24 |
kselftest/alsa: Ensure _GNU_SOURCE is defined
The pcmtest driver tests use the kselftest harness which requires that
_GNU_SOURCE is defined but nothing causes it to be defined. Since the
KHDR_INCLUDES Makefile variable has had the required define added let's
use that, this should provide some futureproofing.
Fixes:
|
||
|
Vladimir Oltean
|
fb66df20a7 |
net/sched: taprio: extend minimum interval restriction to entire cycle too
It is possible for syzbot to side-step the restriction imposed by the
blamed commit in the Fixes: tag, because the taprio UAPI permits a
cycle-time different from (and potentially shorter than) the sum of
entry intervals.
We need one more restriction, which is that the cycle time itself must
be larger than N * ETH_ZLEN bit times, where N is the number of schedule
entries. This restriction needs to apply regardless of whether the cycle
time came from the user or was the implicit, auto-calculated value, so
we move the existing "cycle == 0" check outside the "if "(!new->cycle_time)"
branch. This way covers both conditions and scenarios.
Add a selftest which illustrates the issue triggered by syzbot.
Fixes:
|
||
|
Vladimir Oltean
|
e634134180 |
net/sched: taprio: make q->picos_per_byte available to fill_sched_entry()
In commit |
||
|
Dave Jiang
|
d555105271 |
cxl/test: Add missing vmalloc.h for tools/testing/cxl/test/mem.c
tools/testing/cxl/test/mem.c uses vmalloc() and vfree() but does not
include linux/vmalloc.h. Kernel v6.10 made changes that causes the
currently included headers not depend on vmalloc.h and therefore
mem.c can no longer compile. Add linux/vmalloc.h to fix compile
issue.
CC [M] tools/testing/cxl/test/mem.o
tools/testing/cxl/test/mem.c: In function ‘label_area_release’:
tools/testing/cxl/test/mem.c:1428:9: error: implicit declaration of function ‘vfree’; did you mean ‘kvfree’? [-Werror=implicit-function-declaration]
1428 | vfree(lsa);
| ^~~~~
| kvfree
tools/testing/cxl/test/mem.c: In function ‘cxl_mock_mem_probe’:
tools/testing/cxl/test/mem.c:1466:22: error: implicit declaration of function ‘vmalloc’; did you mean ‘kmalloc’? [-Werror=implicit-function-declaration]
1466 | mdata->lsa = vmalloc(LSA_SIZE);
| ^~~~~~~
| kmalloc
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
38af56e666 |
selftests: mptcp: join: mark 'fail' tests as flaky
These tests are rarely unstable. It depends on the CI running the tests,
especially if it is also busy doing other tasks in parallel, and if a
debug kernel config is being used.
It looks like this issue is sometimes present with the NetDev CI. While
this is being investigated, the tests are marked as flaky not to create
noises on such CIs.
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
8c06ac2178 |
selftests: mptcp: join: mark 'fastclose' tests as flaky
These tests are flaky since their introduction. This might be less or
not visible depending on the CI running the tests, especially if it is
also busy doing other tasks in parallel, and if a debug kernel config is
being used.
It looks like this issue is often present with the NetDev CI. While this
is being investigated, the tests are marked as flaky not to create
noises on such CIs.
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
cc73a6577a |
selftests: mptcp: simult flows: mark 'unbalanced' tests as flaky
These tests are flaky since their introduction. This might be less or
not visible depending on the CI running the tests, especially if it is
also busy doing other tasks in parallel.
A first analysis shown that the transfer can be slowed down when there
are some re-injections at the MPTCP level. Such re-injections can of
course happen, and disturb the transfer, but it looks strange to have
them in this lab. That could be caused by the kernel having access to
less CPU cycles -- e.g. when other activities are executed in parallel
-- or by a misinterpretation on the MPTCP packet scheduler side.
While this is being investigated, the tests are marked as flaky not to
create noises in other CIs.
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
5597613fb3 |
selftests: mptcp: lib: support flaky subtests
Some subtests can be unstable, failing once every X runs. Fixing them can take time: there could be an issue in the kernel or in the subtest, and it is then important to do a proper analysis, not to hide real bugs. To avoid creating noises on the different CIs, it is important to have a simple way to mark subtests as flaky, and ignore the errors. This is what this patch introduces: subtests can be marked as flaky by setting MPTCP_LIB_SUBTEST_FLAKY env var to 1, e.g. MPTCP_LIB_SUBTEST_FLAKY=1 <run flaky subtest> The subtest will be executed, and errors (if any) will be ignored. It is still good to run these subtests, as it exercises code, and the results can still be useful for the on-going investigations. Note that the MPTCP CI will continue to track these flaky subtests by setting SELFTESTS_MPTCP_LIB_OVERRIDE_FLAKY env var to 1, and a ticket has to be created before marking subtests as flaky. Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://lore.kernel.org/r/20240524-upstream-net-20240524-selftests-mptcp-flaky-v1-1-a352362f3f8e@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
2786ae339e |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZlTGFAAKCRDbK58LschI g5NXAP0QRn8nBSxJHIswFSOwRiCyhOhR7YL2P0c+RGcRMA+ZSAD9E1cwsYXsPu3L ummQ52AMaMfouHg6aW+rFIoupkGSnwc= =QctA -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-05-27 We've added 15 non-merge commits during the last 7 day(s) which contain a total of 18 files changed, 583 insertions(+), 55 deletions(-). The main changes are: 1) Fix broken BPF multi-uprobe PID filtering logic which filtered by thread while the promise was to filter by process, from Andrii Nakryiko. 2) Fix the recent influx of syzkaller reports to sockmap which triggered a locking rule violation by performing a map_delete, from Jakub Sitnicki. 3) Fixes to netkit driver in particular on skb->pkt_type override upon pass verdict, from Daniel Borkmann. 4) Fix an integer overflow in resolve_btfids which can wrongly trigger build failures, from Friedrich Vock. 5) Follow-up fixes for ARC JIT reported by static analyzers, from Shahab Vahedi. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Cover verifier checks for mutating sockmap/sockhash Revert "bpf, sockmap: Prevent lock inversion deadlock in map delete elem" bpf: Allow delete from sockmap/sockhash only if update is allowed selftests/bpf: Add netkit test for pkt_type selftests/bpf: Add netkit tests for mac address netkit: Fix pkt_type override upon netkit pass verdict netkit: Fix setting mac address in l2 mode ARC, bpf: Fix issues reported by the static analyzers selftests/bpf: extend multi-uprobe tests with USDTs selftests/bpf: extend multi-uprobe tests with child thread case libbpf: detect broken PID filtering logic for multi-uprobe bpf: remove unnecessary rcu_read_{lock,unlock}() in multi-uprobe attach logic bpf: fix multi-uprobe PID filtering logic bpf: Fix potential integer overflow in resolve_btfids MAINTAINERS: Add myself as reviewer of ARM64 BPF JIT ==================== Link: https://lore.kernel.org/r/20240527203551.29712-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Sitnicki
|
a63bf55616 |
selftests/bpf: Cover verifier checks for mutating sockmap/sockhash
Verifier enforces that only certain program types can mutate sock{map,hash}
maps, that is update it or delete from it. Add test coverage for these
checks so we don't regress.
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20240527-sockmap-verify-deletes-v1-3-944b372f2101@cloudflare.com
|
||
|
Geliang Tang
|
21a22ed618 |
selftests: hsr: Fix "File exists" errors for hsr_ping
The hsr_ping test reports the following errors: INFO: preparing interfaces for HSRv0. INFO: Initial validation ping. INFO: Longer ping test. INFO: Cutting one link. INFO: Delay the link and drop a few packages. INFO: All good. INFO: preparing interfaces for HSRv1. RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists Error: ipv4: Address already assigned. Error: ipv6: address already assigned. Error: ipv4: Address already assigned. Error: ipv6: address already assigned. Error: ipv4: Address already assigned. Error: ipv6: address already assigned. INFO: Initial validation ping. That is because the cleanup code for the 2nd round test before "setup_hsr_interfaces 1" is removed incorrectly in commit |
||
|
Linus Torvalds
|
9b62e02e63 |
16 hotfixes, 11 of which are cc:stable.
A few nilfs2 fixes, the remainder are for MM: a couple of selftests fixes, various singletons fixing various issues in various parts. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZlIOUgAKCRDdBJ7gKXxA jrYnAP9UeOw8YchTIsjEllmAbTMAqWGI+54CU/qD78jdIHoVWAEAmp0QqgFW3r2p jze4jBkh3lGQjykTjkUskaR71h9AZww= =AHeV -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-05-25-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "16 hotfixes, 11 of which are cc:stable. A few nilfs2 fixes, the remainder are for MM: a couple of selftests fixes, various singletons fixing various issues in various parts" * tag 'mm-hotfixes-stable-2024-05-25-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/ksm: fix possible UAF of stable_node mm/memory-failure: fix handling of dissolved but not taken off from buddy pages mm: /proc/pid/smaps_rollup: avoid skipping vma after getting mmap_lock again nilfs2: fix potential hang in nilfs_detach_log_writer() nilfs2: fix unexpected freezing of nilfs_segctor_sync() nilfs2: fix use-after-free of timer for log writer thread selftests/mm: fix build warnings on ppc64 arm64: patching: fix handling of execmem addresses selftests/mm: compaction_test: fix bogus test success and reduce probability of OOM-killer invocation selftests/mm: compaction_test: fix incorrect write of zero to nr_hugepages selftests/mm: compaction_test: fix bogus test success on Aarch64 mailmap: update email address for Satya Priya mm/huge_memory: don't unpoison huge_zero_folio kasan, fortify: properly rename memintrinsics lib: add version into /proc/allocinfo output mm/vmalloc: fix vmalloc which may return null if called with __GFP_NOFAIL |
||
|
Daniel Borkmann
|
95348e463e |
selftests/bpf: Add netkit test for pkt_type
Add a test case to assert that the skb->pkt_type which was set from the BPF program is retained from the netkit xmit side to the peer's device at tcx ingress location. # ./vmtest.sh -- ./test_progs -t netkit [...] ./test_progs -t netkit [ 1.140780] bpf_testmod: loading out-of-tree module taints kernel. [ 1.141127] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel [ 1.284601] tsc: Refined TSC clocksource calibration: 3408.006 MHz [ 1.286672] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fd9b189d, max_idle_ns: 440795225691 ns [ 1.290384] clocksource: Switched to clocksource tsc #345 tc_netkit_basic:OK #346 tc_netkit_device:OK #347 tc_netkit_multi_links:OK #348 tc_netkit_multi_opts:OK #349 tc_netkit_neigh_links:OK #350 tc_netkit_pkt_type:OK Summary: 6/0 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/r/20240524163619.26001-4-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Daniel Borkmann
|
998ffeb273 |
selftests/bpf: Add netkit tests for mac address
This adds simple tests around setting MAC addresses in the different netkit modes. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/r/20240524163619.26001-3-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Andrii Nakryiko
|
198034a87d |
selftests/bpf: extend multi-uprobe tests with USDTs
Validate libbpf's USDT-over-multi-uprobe logic by adding USDTs to existing multi-uprobe tests. This checks correct libbpf fallback to singular uprobes (when run on older kernels with buggy PID filtering). We reuse already established child process and child thread testing infrastructure, so additions are minimal. These test fail on either older kernels or older version of libbpf that doesn't detect PID filtering problems. Acked-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20240521163401.3005045-6-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Andrii Nakryiko
|
70342420a1 |
selftests/bpf: extend multi-uprobe tests with child thread case
Extend existing multi-uprobe tests to test that PID filtering works correctly. We already have child *process* tests, but we need also child *thread* tests. This patch adds spawn_thread() helper to start child thread, wait for it to be ready, and then instruct it to trigger desired uprobes. Additionally, we extend BPF-side code to track thread ID, not just process ID. Also we detect whether extraneous triggerings with unexpected process IDs happened, and validate that none of that happened in practice. These changes prove that fixed PID filtering logic for multi-uprobe works as expected. These tests fail on old kernels. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20240521163401.3005045-5-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Andrii Nakryiko
|
46ba0e49b6 |
bpf: fix multi-uprobe PID filtering logic
Current implementation of PID filtering logic for multi-uprobes in
uprobe_prog_run() is filtering down to exact *thread*, while the intent
for PID filtering it to filter by *process* instead. The check in
uprobe_prog_run() also differs from the analogous one in
uprobe_multi_link_filter() for some reason. The latter is correct,
checking task->mm, not the task itself.
Fix the check in uprobe_prog_run() to perform the same task->mm check.
While doing this, we also update get_pid_task() use to use PIDTYPE_TGID
type of lookup, given the intent is to get a representative task of an
entire process. This doesn't change behavior, but seems more logical. It
would hold task group leader task now, not any random thread task.
Last but not least, given multi-uprobe support is half-broken due to
this PID filtering logic (depending on whether PID filtering is
important or not), we need to make it easy for user space consumers
(including libbpf) to easily detect whether PID filtering logic was
already fixed.
We do it here by adding an early check on passed pid parameter. If it's
negative (and so has no chance of being a valid PID), we return -EINVAL.
Previous behavior would eventually return -ESRCH ("No process found"),
given there can't be any process with negative PID. This subtle change
won't make any practical change in behavior, but will allow applications
to detect PID filtering fixes easily. Libbpf fixes take advantage of
this in the next patch.
Cc: stable@vger.kernel.org
Acked-by: Jiri Olsa <jolsa@kernel.org>
Fixes:
|
||
|
Linus Torvalds
|
0b32d436c0 |
Jeff Xu's implementation of the mseal() syscall.
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZlDhVAAKCRDdBJ7gKXxA jqDSAP0aGY505ka3+ffe6e5OP7W7syKjXHLy84Hp2t6YWnU+6QEA86qcXnfOI7HB 7FPy+fa9sMm6BfAAZPkYnICAgVpbBAw= =Q3vf -----END PGP SIGNATURE----- Merge tag 'mm-stable-2024-05-24-11-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull more mm updates from Andrew Morton: "Jeff Xu's implementation of the mseal() syscall" * tag 'mm-stable-2024-05-24-11-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: selftest mm/mseal read-only elf memory segment mseal: add documentation selftest mm/mseal memory sealing mseal: add mseal syscall mseal: wire up mseal syscall |
||
|
Michael Ellerman
|
1901472fa8 |
selftests/mm: fix build warnings on ppc64
Fix warnings like:
In file included from uffd-unit-tests.c:8:
uffd-unit-tests.c: In function `uffd_poison_handle_fault':
uffd-common.h:45:33: warning: format `%llu' expects argument of type
`long long unsigned int', but argument 3 has type `__u64' {aka `long
unsigned int'} [-Wformat=]
By switching to unsigned long long for u64 for ppc64 builds.
Link: https://lkml.kernel.org/r/20240521030219.57439-1-mpe@ellerman.id.au
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
||
|
Dev Jain
|
fb9293b6b0 |
selftests/mm: compaction_test: fix bogus test success and reduce probability of OOM-killer invocation
Reset nr_hugepages to zero before the start of the test.
If a non-zero number of hugepages is already set before the start of the
test, the following problems arise:
- The probability of the test getting OOM-killed increases. Proof:
The test wants to run on 80% of available memory to prevent OOM-killing
(see original code comments). Let the value of mem_free at the start
of the test, when nr_hugepages = 0, be x. In the other case, when
nr_hugepages > 0, let the memory consumed by hugepages be y. In the
former case, the test operates on 0.8 * x of memory. In the latter,
the test operates on 0.8 * (x - y) of memory, with y already filled,
hence, memory consumed is y + 0.8 * (x - y) = 0.8 * x + 0.2 * y > 0.8 *
x. Q.E.D
- The probability of a bogus test success increases. Proof: Let the
memory consumed by hugepages be greater than 25% of x, with x and y
defined as above. The definition of compaction_index is c_index = (x -
y)/z where z is the memory consumed by hugepages after trying to
increase them again. In check_compaction(), we set the number of
hugepages to zero, and then increase them back; the probability that
they will be set back to consume at least y amount of memory again is
very high (since there is not much delay between the two attempts of
changing nr_hugepages). Hence, z >= y > (x/4) (by the 25% assumption).
Therefore, c_index = (x - y)/z <= (x - y)/y = x/y - 1 < 4 - 1 = 3
hence, c_index can always be forced to be less than 3, thereby the test
succeeding always. Q.E.D
Link: https://lkml.kernel.org/r/20240521074358.675031-4-dev.jain@arm.com
Fixes:
|
||
|
Dev Jain
|
9ad665ef55 |
selftests/mm: compaction_test: fix incorrect write of zero to nr_hugepages
Currently, the test tries to set nr_hugepages to zero, but that is not
actually done because the file offset is not reset after read(). Fix that
using lseek().
Link: https://lkml.kernel.org/r/20240521074358.675031-3-dev.jain@arm.com
Fixes:
|
||
|
Dev Jain
|
d4202e66a4 |
selftests/mm: compaction_test: fix bogus test success on Aarch64
Patch series "Fixes for compaction_test", v2.
The compaction_test memory selftest introduces fragmentation in memory
and then tries to allocate as many hugepages as possible. This series
addresses some problems.
On Aarch64, if nr_hugepages == 0, then the test trivially succeeds since
compaction_index becomes 0, which is less than 3, due to no division by
zero exception being raised. We fix that by checking for division by
zero.
Secondly, correctly set the number of hugepages to zero before trying
to set a large number of them.
Now, consider a situation in which, at the start of the test, a non-zero
number of hugepages have been already set (while running the entire
selftests/mm suite, or manually by the admin). The test operates on 80%
of memory to avoid OOM-killer invocation, and because some memory is
already blocked by hugepages, it would increase the chance of OOM-killing.
Also, since mem_free used in check_compaction() is the value before we
set nr_hugepages to zero, the chance that the compaction_index will
be small is very high if the preset nr_hugepages was high, leading to a
bogus test success.
This patch (of 3):
Currently, if at runtime we are not able to allocate a huge page, the test
will trivially pass on Aarch64 due to no exception being raised on
division by zero while computing compaction_index. Fix that by checking
for nr_hugepages == 0. Anyways, in general, avoid a division by zero by
exiting the program beforehand. While at it, fix a typo, and handle the
case where the number of hugepages may overflow an integer.
Link: https://lkml.kernel.org/r/20240521074358.675031-1-dev.jain@arm.com
Link: https://lkml.kernel.org/r/20240521074358.675031-2-dev.jain@arm.com
Fixes:
|
||
|
Linus Torvalds
|
f1f9984fdc |
RISC-V Patches for the 6.10 Merge Window, Part 2
* The compression format used for boot images is now configurable at build time, and these formats are shown in `make help`. * access_ok() has been optimized. * A pair of performance bugs have been fixed in the uaccess handlers. * Various fixes and cleanups, including one for the IMSIC build failure and one for the early-boot ftrace illegal NOPs bug. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmZQtRwTHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiWPBD/0UitwMg88m6urvMd0Pfvwwbu/OnGqW TZT8C55iJi/e5f9K4mBrSyjATI8z/MblD+Zz0adX8ygavS4JuQ7DoWwb1yTT3pww +z74FkWeJuiar+HfbhQ602CfMrnzvWjnyJ3URemqy5pIBKyvD9gGkDJDZwf8hJTk Vqh5qVtnBqFBO9kWpIx+/pLCfpyHVNkhWr1AzKfoqQ1WPIpZ/o0IGdvS88rL+EBR QOXiwVhEsRfC+LT6Jhn8l2bGp7PaSRVOid19OxNsJKpAhpL6AOscaafclVrLBuTd gkys0rT2dHdoWTAkPHQpvlOI6OmGTgopxo5pUKJHS8J9VRoBun25zC1FGBF8uyVd 05CabWPnh7olNsRge9XiNj3x8PXjGVi7X7wUbRgOBG5aDc6TbKdxu37J0tXe0M7a Q74ctQvk8Nk6bQWirgTNlfJJHzL5pJbKc9VwY5uGX4qTmH+yEvCIt45ZXgXOuS/F eqijStkkdXUDnkMdcpaZJvXP80rHcgfP8bqevvPymRli8ER9zj9aXJQ3rmCUcPz+ EtbyS+vOEN31wNTA1EQlfIRxfvr22x7r70DDdRwmhuD1W1tgfblm+R0Cq76I5rnJ VSgXKq1b4mY0eautqXEnPGyqb7H8iJIq7AoyfbzzWN+4u6yVEUvpDKueeksy+fFt sGNtjWqGhWyKXg== =/Qtt -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-6.10-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull more RISC-V updates from Palmer Dabbelt: - The compression format used for boot images is now configurable at build time, and these formats are shown in `make help` - access_ok() has been optimized - A pair of performance bugs have been fixed in the uaccess handlers - Various fixes and cleanups, including one for the IMSIC build failure and one for the early-boot ftrace illegal NOPs bug * tag 'riscv-for-linus-6.10-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Fix early ftrace nop patching irqchip: riscv-imsic: Fixup riscv_ipi_set_virq_range() conflict riscv: selftests: Add signal handling vector tests riscv: mm: accelerate pagefault when badaccess riscv: uaccess: Relax the threshold for fast path riscv: uaccess: Allow the last potential unrolled copy riscv: typo in comment for get_f64_reg Use bool value in set_cpu_online() riscv: selftests: Add hwprobe binaries to .gitignore riscv: stacktrace: fixed walk_stackframe() ftrace: riscv: move from REGS to ARGS riscv: do not select MODULE_SECTIONS by default riscv: show help string for riscv-specific targets riscv: make image compression configurable riscv: cpufeature: Fix extension subset checking riscv: cpufeature: Fix thead vector hwcap removal riscv: rewrite __kernel_map_pages() to fix sleeping in invalid context riscv: force PAGE_SIZE linear mapping if debug_pagealloc is enabled riscv: Define TASK_SIZE_MAX for __access_ok() riscv: Remove PGDIR_SIZE_L3 and TASK_SIZE_MIN |
||
|
Jeff Xu
|
a52b4f11a2 |
selftest mm/mseal read-only elf memory segment
Sealing read-only of elf mapping so it can't be changed by mprotect. [jeffxu@chromium.org: style change] Link: https://lkml.kernel.org/r/20240416220944.2481203-2-jeffxu@chromium.org [amer.shanawany@gmail.com: fix linker error for inline function] Link: https://lkml.kernel.org/r/20240420202346.546444-1-amer.shanawany@gmail.com [jeffxu@chromium.org: fix compile warning] Link: https://lkml.kernel.org/r/20240420003515.345982-2-jeffxu@chromium.org [jeffxu@chromium.org: fix arm build] Link: https://lkml.kernel.org/r/20240502225331.3806279-2-jeffxu@chromium.org Link: https://lkml.kernel.org/r/20240415163527.626541-6-jeffxu@chromium.org Signed-off-by: Jeff Xu <jeffxu@chromium.org> Signed-off-by: Amer Al Shanawany <amer.shanawany@gmail.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: Jann Horn <jannh@google.com> Cc: Jeff Xu <jeffxu@google.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Jorge Lucangeli Obes <jorgelo@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Pedro Falcato <pedro.falcato@gmail.com> Cc: Stephen Röttger <sroettger@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Amer Al Shanawany <amer.shanawany@gmail.com> Cc: Javier Carrasco <javier.carrasco.cruz@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Jeff Xu
|
4926c7a52d |
selftest mm/mseal memory sealing
selftest for memory sealing change in mmap() and mseal(). Link: https://lkml.kernel.org/r/20240415163527.626541-4-jeffxu@chromium.org Signed-off-by: Jeff Xu <jeffxu@chromium.org> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: Jann Horn <jannh@google.com> Cc: Jeff Xu <jeffxu@google.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Jorge Lucangeli Obes <jorgelo@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Pedro Falcato <pedro.falcato@gmail.com> Cc: Stephen Röttger <sroettger@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Amer Al Shanawany <amer.shanawany@gmail.com> Cc: Javier Carrasco <javier.carrasco.cruz@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
66ad4829dd |
Quite smaller than usual. Notably it includes the fix for the unix
regression you have been notified of in the past weeks. The TCP window fix will require some follow-up, already queued. Current release - regressions: - af_unix: fix garbage collection of embryos Previous releases - regressions: - af_unix: fix race between GC and receive path - ipv6: sr: fix missing sk_buff release in seg6_input_core - tcp: remove 64 KByte limit for initial tp->rcv_wnd value - eth: r8169: fix rx hangup - eth: lan966x: remove ptp traps in case the ptp is not enabled. - eth: ixgbe: fix link breakage vs cisco switches. - eth: ice: prevent ethtool from corrupting the channels. Previous releases - always broken: - openvswitch: set the skbuff pkt_type for proper pmtud support. - tcp: Fix shift-out-of-bounds in dctcp_update_alpha(). Misc: - a bunch of selftests stabilization patches. Signed-off-by: Paolo Abeni <pabeni@redhat.com> -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEEg1AjqC77wbdLX2LbKSR5jcyPE6QFAmZPXmUSHHBhYmVuaUBy ZWRoYXQuY29tAAoJECkkeY3MjxOk/o4QAJTA/LcQmHkObgQWyJ7vSykhRFmxSsfR Qc/DstWuNkM+xDbasdjlxaM+BPgf0RduyB/bsPOr8UvGw0S0NUwQBC9V9bgQ0p67 D9qrZH6gEDRbzG+mkbF49SXksJMSdNSygWc4YnYaCW+eufpCaZwN15q+4pAgAWfW UmSra9wCkgl9nRc7N4+UEJbhhi0Lso/yaRlHUUUooHOP0ENDe3JSKidUyS3UuhYc Ah75gKIMm9BygUhg/+mrsRyeb1kfXMfJ54ku/uEIimErG4rTntCJCAc+dBoRXtob pImg4xfgr1OBL1wQKTHM+nvhE+DThLAJOSguX2RYvTvklx/l00tL1PQkA/kn6XNM HdQGnDoN1JpUs3xw90hxWp0gzOwJ1XCjbXT/Dx2kp+ltFj0A1EZViTNNTgh6y2E0 B5oo8NFD0y02ilMdaGW/KOpceglO82p2P4DEc0kBAYvCICQ8MKMdtThuubQeB0FK EO7Xs7lKbDXLJUDtmN4EiE1sofvLVD+1htGt5FG2jtizyQ5Ho/b2aTk2uq0kRN3F mZgaXcNR3sOJGBdaTvzquALZ2Dt69w0D3EHGv/30tD5zwQO8j71W5OoWTnjknWUp Nh7ytL/YlqvwJI47UuuTeDBh95jb/KpTWFv8EYsQLI0JOTfa1VXsoDxidg6rnHuX mvLdIOtzTZqU =zd2T -----END PGP SIGNATURE----- Merge tag 'net-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Quite smaller than usual. Notably it includes the fix for the unix regression from the past weeks. The TCP window fix will require some follow-up, already queued. Current release - regressions: - af_unix: fix garbage collection of embryos Previous releases - regressions: - af_unix: fix race between GC and receive path - ipv6: sr: fix missing sk_buff release in seg6_input_core - tcp: remove 64 KByte limit for initial tp->rcv_wnd value - eth: r8169: fix rx hangup - eth: lan966x: remove ptp traps in case the ptp is not enabled - eth: ixgbe: fix link breakage vs cisco switches - eth: ice: prevent ethtool from corrupting the channels Previous releases - always broken: - openvswitch: set the skbuff pkt_type for proper pmtud support - tcp: Fix shift-out-of-bounds in dctcp_update_alpha() Misc: - a bunch of selftests stabilization patches" * tag 'net-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (25 commits) r8169: Fix possible ring buffer corruption on fragmented Tx packets. idpf: Interpret .set_channels() input differently ice: Interpret .set_channels() input differently nfc: nci: Fix handling of zero-length payload packets in nci_rx_work() net: relax socket state check at accept time. tcp: remove 64 KByte limit for initial tp->rcv_wnd value net: ti: icssg_prueth: Fix NULL pointer dereference in prueth_probe() tls: fix missing memory barrier in tls_init net: fec: avoid lock evasion when reading pps_enable Revert "ixgbe: Manual AN-37 for troublesome link partners for X550 SFI" testing: net-drv: use stats64 for testing net: mana: Fix the extra HZ in mana_hwc_send_request net: lan966x: Remove ptp traps in case the ptp is not enabled. openvswitch: Set the skbuff pkt_type for proper pmtud support. selftest: af_unix: Make SCM_RIGHTS into OOB data. af_unix: Fix garbage collection of embryos carrying OOB with SCM_RIGHTS tcp: Fix shift-out-of-bounds in dctcp_update_alpha(). selftests/net: use tc rule to filter the na packet ipv6: sr: fix memleak in seg6_hmac_init_algo af_unix: Update unix_sk(sk)->oob_skb under sk_receive_queue lock. ... |
||
|
Joe Damato
|
a61a459f58 |
testing: net-drv: use stats64 for testing
Testing a network device that has large numbers of bytes/packets may
overflow. Using stats64 when comparing fixes this problem.
I tripped on this while iterating on a qstats patch for mlx5. See below
for confirmation without my added code that this is a bug.
Before this patch (with added debugging output):
$ NETIF=eth0 tools/testing/selftests/drivers/net/stats.py
KTAP version 1
1..4
ok 1 stats.check_pause
ok 2 stats.check_fec
rstat: 481708634 qstat: 666201639514 key: tx-bytes
not ok 3 stats.pkt_byte_sum
ok 4 stats.qstat_by_ifindex
Note the huge delta above ^^^ in the rtnl vs qstats.
After this patch:
$ NETIF=eth0 tools/testing/selftests/drivers/net/stats.py
KTAP version 1
1..4
ok 1 stats.check_pause
ok 2 stats.check_fec
ok 3 stats.pkt_byte_sum
ok 4 stats.qstat_by_ifindex
It looks like rtnl_fill_stats in net/core/rtnetlink.c will attempt to
copy the 64bit stats into a 32bit structure which is probably why this
behavior is occurring.
To show this is happening, you can get the underlying stats that the
stats.py test uses like this:
$ ./cli.py --spec ../../../Documentation/netlink/specs/rt_link.yaml \
--do getlink --json '{"ifi-index": 7}'
And examine the output (heavily snipped to show relevant fields):
'stats': {
'multicast': 3739197,
'rx-bytes': 1201525399,
'rx-packets': 56807158,
'tx-bytes': 492404458,
'tx-packets': 1200285371,
'stats64': {
'multicast': 3739197,
'rx-bytes': 35561263767,
'rx-packets': 56807158,
'tx-bytes': 666212335338,
'tx-packets': 1200285371,
The stats.py test prior to this patch was using the 'stats' structure
above, which matches the failure output on my system.
Comparing side by side, rx-bytes and tx-bytes, and getting ethtool -S
output:
rx-bytes stats: 1201525399
rx-bytes stats64: 35561263767
rx-bytes ethtool: 36203402638
tx-bytes stats: 492404458
tx-bytes stats64: 666212335338
tx-bytes ethtool: 666215360113
Note that the above was taken from a system with an mlx5 NIC, which only
exposes ndo_get_stats64.
Based on the ethtool output and qstat output, it appears that stats.py
should be updated to use the 'stats64' structure for accurate
comparisons when packet/byte counters get very large.
To confirm that this was not related to the qstats code I was iterating
on, I booted a kernel without my driver changes and re-ran the test
which shows the qstats are skipped (as they don't exist for mlx5):
NETIF=eth0 tools/testing/selftests/drivers/net/stats.py
KTAP version 1
1..4
ok 1 stats.check_pause
ok 2 stats.check_fec
ok 3 stats.pkt_byte_sum # SKIP qstats not supported by the device
ok 4 stats.qstat_by_ifindex # SKIP No ifindex supports qstats
But, fetching the stats using the CLI
$ ./cli.py --spec ../../../Documentation/netlink/specs/rt_link.yaml \
--do getlink --json '{"ifi-index": 7}'
Shows the same issue (heavily snipped for relevant fields only):
'stats': {
'multicast': 105489,
'rx-bytes': 530879526,
'rx-packets': 751415,
'tx-bytes': 2510191396,
'tx-packets': 27700323,
'stats64': {
'multicast': 105489,
'rx-bytes': 530879526,
'rx-packets': 751415,
'tx-bytes': 15395093284,
'tx-packets': 27700323,
Comparing side by side with ethtool -S on the unmodified mlx5 driver:
tx-bytes stats: 2510191396
tx-bytes stats64: 15395093284
tx-bytes ethtool: 17718435810
Fixes:
|
||
|
Linus Torvalds
|
c760b3725e |
- A series ("kbuild: enable more warnings by default") from Arnd
Bergmann which enables a number of additional build-time warnings. We
fixed all the fallout which we could find, there may still be a few
stragglers.
- Samuel Holland has developed the series "Unified cross-architecture
kernel-mode FPU API". This does a lot of consolidation of
per-architecture kernel-mode FPU usage and enables the use of newer AMD
GPUs on RISC-V.
- Tao Su has fixed some selftests build warnings in the series
"Selftests: Fix compilation warnings due to missing _GNU_SOURCE
definition".
- This pull also includes a nilfs2 fixup from Ryusuke Konishi.
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Merge tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more non-mm updates from Andrew Morton:
- A series ("kbuild: enable more warnings by default") from Arnd
Bergmann which enables a number of additional build-time warnings. We
fixed all the fallout which we could find, there may still be a few
stragglers.
- Samuel Holland has developed the series "Unified cross-architecture
kernel-mode FPU API". This does a lot of consolidation of
per-architecture kernel-mode FPU usage and enables the use of newer
AMD GPUs on RISC-V.
- Tao Su has fixed some selftests build warnings in the series
"Selftests: Fix compilation warnings due to missing _GNU_SOURCE
definition".
- This pull also includes a nilfs2 fixup from Ryusuke Konishi.
* tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
nilfs2: make block erasure safe in nilfs_finish_roll_forward()
selftests/harness: use 1024 in place of LINE_MAX
Revert "selftests/harness: remove use of LINE_MAX"
selftests/fpu: allow building on other architectures
selftests/fpu: move FP code to a separate translation unit
drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT
drm/amd/display: only use hard-float, not altivec on powerpc
riscv: add support for kernel-mode FPU
x86: implement ARCH_HAS_KERNEL_FPU_SUPPORT
powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT
LoongArch: implement ARCH_HAS_KERNEL_FPU_SUPPORT
lib/raid6: use CC_FLAGS_FPU for NEON CFLAGS
arm64: crypto: use CC_FLAGS_FPU for NEON CFLAGS
arm64: implement ARCH_HAS_KERNEL_FPU_SUPPORT
ARM: crypto: use CC_FLAGS_FPU for NEON CFLAGS
ARM: implement ARCH_HAS_KERNEL_FPU_SUPPORT
arch: add ARCH_HAS_KERNEL_FPU_SUPPORT
x86/fpu: fix asm/fpu/types.h include guard
kbuild: enable -Wcast-function-type-strict unconditionally
kbuild: enable -Wformat-truncation on clang
...
|
||
|
Charlie Jenkins
|
9d5328eeb1
|
riscv: selftests: Add signal handling vector tests
Add two tests to check vector save/restore when a signal is received during a vector routine. One test ensures that a value is not clobbered during signal handling. The other verifies that vector registers modified in the signal handler are properly reflected when the signal handling is complete. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Reviewed-by: Björn Töpel <bjorn@rivosinc.com> Reviewed-by: Andy Chiu <andy.chiu@sifive.com> Tested-by: Andy Chiu <andy.chiu@sifive.com> Link: https://lore.kernel.org/r/20240403-vector_sigreturn_tests-v1-1-2e68b7a3b8d7@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
||
|
Charlie Jenkins
|
f8ea6ab927
|
riscv: selftests: Add hwprobe binaries to .gitignore
The cbo and which-cpu hwprobe selftests leave their artifacts in the kernel tree and end up being tracked by git. Add the binaries to the hwprobe selftest .gitignore so this no longer happens. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Fixes: |
||
|
Kuniyuki Iwashima
|
e060e433e5 |
selftest: af_unix: Make SCM_RIGHTS into OOB data.
scm_rights.c covers various test cases for inflight file descriptors and garbage collector for AF_UNIX sockets. Currently, SCM_RIGHTS messages are sent with 3-bytes string, and it's not good for MSG_OOB cases, as SCM_RIGTS cmsg goes with the first 2-bytes, which is non-OOB data. Let's send SCM_RIGHTS messages with 1-byte character to pack SCM_RIGHTS into OOB data. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Michal Luczaj <mhal@rbox.co> Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Hangbin Liu
|
ea63ac1429 |
selftests/net: use tc rule to filter the na packet
Test arp_ndisc_untracked_subnets use tcpdump to filter the unsolicited
and untracked na messages. It set -e before calling tcpdump. But if
tcpdump filters 0 packet, it will return none zero, and cause the script
to exit.
Instead of using slow tcpdump to capture packets, let's using tc rule
to filter out the na message.
At the same time, fix function setup_v6 which only needs one parameter.
Move all the related helpers from forwarding lib.sh to net lib.sh.
Fixes:
|
||
|
Linus Torvalds
|
70ec81c2e2 |
linux_kselftest-next-6.10-rc1-fixes
This kselftest fixes update for Linux 6.10-rc1 consists of reverts framework change to add D_GNU_SOURCE to KHDR_INCLUDES to Makefile, lib.mk, and kselftest_harness.h and follow-on changes to cgroup and sgx test as they are causing build failures and warnings. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmZLb3sACgkQCwJExA0N QxweSQ//WiDfJtObms7pDos6Q5DBnq2seGgK3+JUcAbBhNETPLzYBHSnvVnixRmi +QccdtTlPYE98vAk7GCt9zuBr82SV1z9VaNHVst+4jZeaSkmNFHGMS/ZSEE1x79g z4qL1C1eA0qPzmW17vgUv08+Lm5WKxt4RIsZEYWBi7tnu+MbfcaPaTbGZ85o/tG0 IVZluGfVVaci7CQnpYhRD4hsJOWUC2H/YrvCNpjm6rGUFu+4Jm7rvHJPO+Ef6yCT tjKc5wReHRR2xT2+i4FoFjGqrAMsM/xakdiVpQWUlHUSm5/Nboqw7B73eNm/N2YL KvoJKBCuUPjmPKsoDGyUSORyx7j5RJnmdbGbFISOnZGpDVDkwSJVQDPJKeW9WqfS ONYVRRyjdift7BVcbFIpnde6TD7lCCv8sYrr2SpZv1wHybhMmrL0ojoTOOO93Xcd agpHGHjIOqmn+EGmptYeFEKKHr/GX+r6cQK0csmNhuSajHxeohwpzzs/v9gUisQ0 BB5dC2Mo7wj1CES8DYKucFSSyCmZruzpyKtEz7Ndj1SAYzZqqYQV41kMDdlGYDE4 qsHNVpA5DOFLOV8wOX59XjSu+UnJDjFyluWSaj66lJ1gA9qpYEifWD0l851LZ1YG hcCTd90Hbuh9XlOPmQEciVF98tJFrO0ho6vQu41jgjLPvJ4Y8H8= =Qisj -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-next-6.10-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "Revert framework change to add D_GNU_SOURCE to KHDR_INCLUDES to Makefile, lib.mk, and kselftest_harness.h and follow-on changes to cgroup and sgx test as they are causing build failures and warnings" * tag 'linux_kselftest-next-6.10-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: Revert "selftests/cgroup: Drop define _GNU_SOURCE" Revert "selftests/sgx: Include KHDR_INCLUDES in Makefile" Revert "selftests: Compile kselftest headers with -D_GNU_SOURCE" |
||
|
Shuah Khan
|
a97853f25b |
Revert "selftests/cgroup: Drop define _GNU_SOURCE"
This reverts commit
|
||
|
Shuah Khan
|
3da1640235 |
Revert "selftests/sgx: Include KHDR_INCLUDES in Makefile"
This reverts commit
|
||
|
Shuah Khan
|
cee27ae5f1 |
Revert "selftests: Compile kselftest headers with -D_GNU_SOURCE"
This reverts commit
|
||
|
Taehee Yoo
|
cc563e7498 |
selftests: net: kill smcrouted in the cleanup logic in amt.sh
The amt.sh requires smcrouted for multicasting routing.
So, it starts smcrouted before forwarding tests.
It must be stopped after all tests, but it isn't.
To fix this issue, it kills smcrouted in the cleanup logic.
Fixes:
|
||
|
Tao Su
|
28d2188709 |
selftests/harness: use 1024 in place of LINE_MAX
Android was seeing a compilation error because its C library does not
define LINE_MAX. Since LINE_MAX is only used to determine the size of
test_name[] and 1024 should be enough for the test name, use 1024 instead
of LINE_MAX.
Link: https://lkml.kernel.org/r/20240509053113.43462-3-tao1.su@linux.intel.com
Fixes:
|
||
|
Tao Su
|
6bb955fce0 |
Revert "selftests/harness: remove use of LINE_MAX"
Patch series "Selftests: Fix compilation warnings due to missing _GNU_SOURCE definition", v2. Since kselftest_harness.h introduces asprintf()[1], many selftests have compilation warnings or errors due to missing _GNU_SOURCE definitions. The issue stems from a lack of a LINE_MAX definition in Android (see commit |
||
|
Linus Torvalds
|
eb6a9339ef |
Mainly singleton patches, documented in their respective changelogs.
Notable series include:
- Some maintenance and performance work for ocfs2 in Heming Zhao's
series "improve write IO performance when fragmentation is high".
- Some ocfs2 bugfixes from Su Yue in the series "ocfs2 bugs fixes
exposed by fstests".
- kfifo header rework from Andy Shevchenko in the series "kfifo: Clean
up kfifo.h".
- GDB script fixes from Florian Rommel in the series "scripts/gdb: Fixes
for $lx_current and $lx_per_cpu".
- After much discussion, a coding-style update from Barry Song
explaining one reason why inline functions are preferred over macros.
The series is "codingstyle: avoid unused parameters for a function-like
macro".
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Merge tag 'mm-nonmm-stable-2024-05-19-11-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-mm updates from Andrew Morton:
"Mainly singleton patches, documented in their respective changelogs.
Notable series include:
- Some maintenance and performance work for ocfs2 in Heming Zhao's
series "improve write IO performance when fragmentation is high".
- Some ocfs2 bugfixes from Su Yue in the series "ocfs2 bugs fixes
exposed by fstests".
- kfifo header rework from Andy Shevchenko in the series "kfifo:
Clean up kfifo.h".
- GDB script fixes from Florian Rommel in the series "scripts/gdb:
Fixes for $lx_current and $lx_per_cpu".
- After much discussion, a coding-style update from Barry Song
explaining one reason why inline functions are preferred over
macros. The series is "codingstyle: avoid unused parameters for a
function-like macro""
* tag 'mm-nonmm-stable-2024-05-19-11-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (62 commits)
fs/proc: fix softlockup in __read_vmcore
nilfs2: convert BUG_ON() in nilfs_finish_roll_forward() to WARN_ON()
scripts: checkpatch: check unused parameters for function-like macro
Documentation: coding-style: ask function-like macros to evaluate parameters
nilfs2: use __field_struct() for a bitwise field
selftests/kcmp: remove unused open mode
nilfs2: remove calls to folio_set_error() and folio_clear_error()
kernel/watchdog_perf.c: tidy up kerneldoc
watchdog: allow nmi watchdog to use raw perf event
watchdog: handle comma separated nmi_watchdog command line
nilfs2: make superblock data array index computation sparse friendly
squashfs: remove calls to set the folio error flag
squashfs: convert squashfs_symlink_read_folio to use folio APIs
scripts/gdb: fix detection of current CPU in KGDB
scripts/gdb: make get_thread_info accept pointers
scripts/gdb: fix parameter handling in $lx_per_cpu
scripts/gdb: fix failing KGDB detection during probe
kfifo: don't use "proxy" headers
media: stih-cec: add missing io.h
media: rc: add missing io.h
...
|
||
|
Linus Torvalds
|
61307b7be4 |
The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs. Notable
series include:
- Lucas Stach has provided some page-mapping
cleanup/consolidation/maintainability work in the series "mm/treewide:
Remove pXd_huge() API".
- In the series "Allow migrate on protnone reference with
MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one
test.
- In their series "Memory allocation profiling" Kent Overstreet and
Suren Baghdasaryan have contributed a means of determining (via
/proc/allocinfo) whereabouts in the kernel memory is being allocated:
number of calls and amount of memory.
- Matthew Wilcox has provided the series "Various significant MM
patches" which does a number of rather unrelated things, but in largely
similar code sites.
- In his series "mm: page_alloc: freelist migratetype hygiene" Johannes
Weiner has fixed the page allocator's handling of migratetype requests,
with resulting improvements in compaction efficiency.
- In the series "make the hugetlb migration strategy consistent" Baolin
Wang has fixed a hugetlb migration issue, which should improve hugetlb
allocation reliability.
- Liu Shixin has hit an I/O meltdown caused by readahead in a
memory-tight memcg. Addressed in the series "Fix I/O high when memory
almost met memcg limit".
- In the series "mm/filemap: optimize folio adding and splitting" Kairui
Song has optimized pagecache insertion, yielding ~10% performance
improvement in one test.
- Baoquan He has cleaned up and consolidated the early zone
initialization code in the series "mm/mm_init.c: refactor
free_area_init_core()".
- Baoquan has also redone some MM initializatio code in the series
"mm/init: minor clean up and improvement".
- MM helper cleanups from Christoph Hellwig in his series "remove
follow_pfn".
- More cleanups from Matthew Wilcox in the series "Various page->flags
cleanups".
- Vlastimil Babka has contributed maintainability improvements in the
series "memcg_kmem hooks refactoring".
- More folio conversions and cleanups in Matthew Wilcox's series
"Convert huge_zero_page to huge_zero_folio"
"khugepaged folio conversions"
"Remove page_idle and page_young wrappers"
"Use folio APIs in procfs"
"Clean up __folio_put()"
"Some cleanups for memory-failure"
"Remove page_mapping()"
"More folio compat code removal"
- David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb
functions to work on folis".
- Code consolidation and cleanup work related to GUP's handling of
hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
- Rick Edgecombe has developed some fixes to stack guard gaps in the
series "Cover a guard gap corner case".
- Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series
"mm/ksm: fix ksm exec support for prctl".
- Baolin Wang has implemented NUMA balancing for multi-size THPs. This
is a simple first-cut implementation for now. The series is "support
multi-size THP numa balancing".
- Cleanups to vma handling helper functions from Matthew Wilcox in the
series "Unify vma_address and vma_pgoff_address".
- Some selftests maintenance work from Dev Jain in the series
"selftests/mm: mremap_test: Optimizations and style fixes".
- Improvements to the swapping of multi-size THPs from Ryan Roberts in
the series "Swap-out mTHP without splitting".
- Kefeng Wang has significantly optimized the handling of arm64's
permission page faults in the series
"arch/mm/fault: accelerate pagefault when badaccess"
"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
- GUP cleanups from David Hildenbrand in "mm/gup: consistently call it
GUP-fast".
- hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to
use struct vm_fault".
- selftests build fixes from John Hubbard in the series "Fix
selftests/mm build without requiring "make headers"".
- Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
series "Improved Memory Tier Creation for CPUless NUMA Nodes". Fixes
the initialization code so that migration between different memory types
works as intended.
- David Hildenbrand has improved follow_pte() and fixed an errant driver
in the series "mm: follow_pte() improvements and acrn follow_pte()
fixes".
- David also did some cleanup work on large folio mapcounts in his
series "mm: mapcount for large folios + page_mapcount() cleanups".
- Folio conversions in KSM in Alex Shi's series "transfer page to folio
in KSM".
- Barry Song has added some sysfs stats for monitoring multi-size THP's
in the series "mm: add per-order mTHP alloc and swpout counters".
- Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled
and limit checking cleanups".
- Matthew Wilcox has been looking at buffer_head code and found the
documentation to be lacking. The series is "Improve buffer head
documentation".
- Multi-size THPs get more work, this time from Lance Yang. His series
"mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes
the freeing of these things.
- Kemeng Shi has added more userspace-visible writeback instrumentation
in the series "Improve visibility of writeback".
- Kemeng Shi then sent some maintenance work on top in the series "Fix
and cleanups to page-writeback".
- Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the
series "Improve anon_vma scalability for anon VMAs". Intel's test bot
reported an improbable 3x improvement in one test.
- SeongJae Park adds some DAMON feature work in the series
"mm/damon: add a DAMOS filter type for page granularity access recheck"
"selftests/damon: add DAMOS quota goal test"
- Also some maintenance work in the series
"mm/damon/paddr: simplify page level access re-check for pageout"
"mm/damon: misc fixes and improvements"
- David Hildenbrand has disabled some known-to-fail selftests ni the
series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL".
- memcg metadata storage optimizations from Shakeel Butt in "memcg:
reduce memory consumption by memcg stats".
- DAX fixes and maintenance work from Vishal Verma in the series
"dax/bus.c: Fixups for dax-bus locking".
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Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull mm updates from Andrew Morton:
"The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs.
Notable series include:
- Lucas Stach has provided some page-mapping cleanup/consolidation/
maintainability work in the series "mm/treewide: Remove pXd_huge()
API".
- In the series "Allow migrate on protnone reference with
MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
MPOL_PREFERRED_MANY mode, yielding almost doubled performance in
one test.
- In their series "Memory allocation profiling" Kent Overstreet and
Suren Baghdasaryan have contributed a means of determining (via
/proc/allocinfo) whereabouts in the kernel memory is being
allocated: number of calls and amount of memory.
- Matthew Wilcox has provided the series "Various significant MM
patches" which does a number of rather unrelated things, but in
largely similar code sites.
- In his series "mm: page_alloc: freelist migratetype hygiene"
Johannes Weiner has fixed the page allocator's handling of
migratetype requests, with resulting improvements in compaction
efficiency.
- In the series "make the hugetlb migration strategy consistent"
Baolin Wang has fixed a hugetlb migration issue, which should
improve hugetlb allocation reliability.
- Liu Shixin has hit an I/O meltdown caused by readahead in a
memory-tight memcg. Addressed in the series "Fix I/O high when
memory almost met memcg limit".
- In the series "mm/filemap: optimize folio adding and splitting"
Kairui Song has optimized pagecache insertion, yielding ~10%
performance improvement in one test.
- Baoquan He has cleaned up and consolidated the early zone
initialization code in the series "mm/mm_init.c: refactor
free_area_init_core()".
- Baoquan has also redone some MM initializatio code in the series
"mm/init: minor clean up and improvement".
- MM helper cleanups from Christoph Hellwig in his series "remove
follow_pfn".
- More cleanups from Matthew Wilcox in the series "Various
page->flags cleanups".
- Vlastimil Babka has contributed maintainability improvements in the
series "memcg_kmem hooks refactoring".
- More folio conversions and cleanups in Matthew Wilcox's series:
"Convert huge_zero_page to huge_zero_folio"
"khugepaged folio conversions"
"Remove page_idle and page_young wrappers"
"Use folio APIs in procfs"
"Clean up __folio_put()"
"Some cleanups for memory-failure"
"Remove page_mapping()"
"More folio compat code removal"
- David Hildenbrand chipped in with "fs/proc/task_mmu: convert
hugetlb functions to work on folis".
- Code consolidation and cleanup work related to GUP's handling of
hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
- Rick Edgecombe has developed some fixes to stack guard gaps in the
series "Cover a guard gap corner case".
- Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the
series "mm/ksm: fix ksm exec support for prctl".
- Baolin Wang has implemented NUMA balancing for multi-size THPs.
This is a simple first-cut implementation for now. The series is
"support multi-size THP numa balancing".
- Cleanups to vma handling helper functions from Matthew Wilcox in
the series "Unify vma_address and vma_pgoff_address".
- Some selftests maintenance work from Dev Jain in the series
"selftests/mm: mremap_test: Optimizations and style fixes".
- Improvements to the swapping of multi-size THPs from Ryan Roberts
in the series "Swap-out mTHP without splitting".
- Kefeng Wang has significantly optimized the handling of arm64's
permission page faults in the series
"arch/mm/fault: accelerate pagefault when badaccess"
"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
- GUP cleanups from David Hildenbrand in "mm/gup: consistently call
it GUP-fast".
- hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault
path to use struct vm_fault".
- selftests build fixes from John Hubbard in the series "Fix
selftests/mm build without requiring "make headers"".
- Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
series "Improved Memory Tier Creation for CPUless NUMA Nodes".
Fixes the initialization code so that migration between different
memory types works as intended.
- David Hildenbrand has improved follow_pte() and fixed an errant
driver in the series "mm: follow_pte() improvements and acrn
follow_pte() fixes".
- David also did some cleanup work on large folio mapcounts in his
series "mm: mapcount for large folios + page_mapcount() cleanups".
- Folio conversions in KSM in Alex Shi's series "transfer page to
folio in KSM".
- Barry Song has added some sysfs stats for monitoring multi-size
THP's in the series "mm: add per-order mTHP alloc and swpout
counters".
- Some zswap cleanups from Yosry Ahmed in the series "zswap
same-filled and limit checking cleanups".
- Matthew Wilcox has been looking at buffer_head code and found the
documentation to be lacking. The series is "Improve buffer head
documentation".
- Multi-size THPs get more work, this time from Lance Yang. His
series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free"
optimizes the freeing of these things.
- Kemeng Shi has added more userspace-visible writeback
instrumentation in the series "Improve visibility of writeback".
- Kemeng Shi then sent some maintenance work on top in the series
"Fix and cleanups to page-writeback".
- Matthew Wilcox reduces mmap_lock traffic in the anon vma code in
the series "Improve anon_vma scalability for anon VMAs". Intel's
test bot reported an improbable 3x improvement in one test.
- SeongJae Park adds some DAMON feature work in the series
"mm/damon: add a DAMOS filter type for page granularity access recheck"
"selftests/damon: add DAMOS quota goal test"
- Also some maintenance work in the series
"mm/damon/paddr: simplify page level access re-check for pageout"
"mm/damon: misc fixes and improvements"
- David Hildenbrand has disabled some known-to-fail selftests ni the
series "selftests: mm: cow: flag vmsplice() hugetlb tests as
XFAIL".
- memcg metadata storage optimizations from Shakeel Butt in "memcg:
reduce memory consumption by memcg stats".
- DAX fixes and maintenance work from Vishal Verma in the series
"dax/bus.c: Fixups for dax-bus locking""
* tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (426 commits)
memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
selftests/mm: hugetlb_madv_vs_map: avoid test skipping by querying hugepage size at runtime
mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_fault
selftests: cgroup: add tests to verify the zswap writeback path
mm: memcg: make alloc_mem_cgroup_per_node_info() return bool
mm/damon/core: fix return value from damos_wmark_metric_value
mm: do not update memcg stats for NR_{FILE/SHMEM}_PMDMAPPED
selftests: cgroup: remove redundant enabling of memory controller
Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree
Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT
Docs/mm/damon/design: use a list for supported filters
Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command
Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file
selftests/damon: classify tests for functionalities and regressions
selftests/damon/_damon_sysfs: use 'is' instead of '==' for 'None'
selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts
selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
mm/damon/core: initialize ->esz_bp from damos_quota_init_priv()
selftests/damon: add a test for DAMOS quota goal
...
|
||
|
Linus Torvalds
|
2fc0e7892c |
Landlock updates for v6.10-rc1
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCZkYGahAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSaxUBAL1USJI2DUo+hJTDHqXdVZGEE6VfYnmEhIur NZfsti4UAQCabAej7+NHzh1jAnnKMJFbcyl4LRy99anJGlEWq9ExDA== =fViz -----END PGP SIGNATURE----- Merge tag 'landlock-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock updates from Mickaël Salaün: "This brings ioctl control to Landlock, contributed by Günther Noack. This also adds him as a Landlock reviewer, and fixes an issue in the sample" * tag 'landlock-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: MAINTAINERS: Add Günther Noack as Landlock reviewer fs/ioctl: Add a comment to keep the logic in sync with LSM policies MAINTAINERS: Notify Landlock maintainers about changes to fs/ioctl.c landlock: Document IOCTL support samples/landlock: Add support for LANDLOCK_ACCESS_FS_IOCTL_DEV selftests/landlock: Exhaustive test for the IOCTL allow-list selftests/landlock: Check IOCTL restrictions for named UNIX domain sockets selftests/landlock: Test IOCTLs on named pipes selftests/landlock: Test ioctl(2) and ftruncate(2) with open(O_PATH) selftests/landlock: Test IOCTL with memfds selftests/landlock: Test IOCTL support landlock: Add IOCTL access right for character and block devices samples/landlock: Fix incorrect free in populate_ruleset_net |
||
|
Linus Torvalds
|
f08a1e912d |
Including fix from Andrii for the issue mentioned in our net-next PR,
the rest is unremarkable.
Current release - regressions:
- virtio_net: fix missed error path rtnl_unlock after control queue
locking rework
Current release - new code bugs:
- bpf: fix KASAN slab-out-of-bounds in percpu_array_map_gen_lookup,
caused by missing nested map handling
- drv: dsa: correct initialization order for KSZ88x3 ports
Previous releases - regressions:
- af_packet: do not call packet_read_pending() from tpacket_destruct_skb()
fix performance regression
- ipv6: fix route deleting failure when metric equals 0, don't assume
0 means not set / default in this case
Previous releases - always broken:
- bridge: couple of syzbot-driven fixes
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.10-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Current release - regressions:
- virtio_net: fix missed error path rtnl_unlock after control queue
locking rework
Current release - new code bugs:
- bpf: fix KASAN slab-out-of-bounds in percpu_array_map_gen_lookup,
caused by missing nested map handling
- drv: dsa: correct initialization order for KSZ88x3 ports
Previous releases - regressions:
- af_packet: do not call packet_read_pending() from
tpacket_destruct_skb() fix performance regression
- ipv6: fix route deleting failure when metric equals 0, don't assume
0 means not set / default in this case
Previous releases - always broken:
- bridge: couple of syzbot-driven fixes"
* tag 'net-6.10-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (30 commits)
selftests: net: local_termination: annotate the expected failures
net: dsa: microchip: Correct initialization order for KSZ88x3 ports
MAINTAINERS: net: Update reviewers for TI's Ethernet drivers
dt-bindings: net: ti: Update maintainers list
l2tp: fix ICMP error handling for UDP-encap sockets
net: txgbe: fix to control VLAN strip
net: wangxun: match VLAN CTAG and STAG features
net: wangxun: fix to change Rx features
af_packet: do not call packet_read_pending() from tpacket_destruct_skb()
virtio_net: Fix missed rtnl_unlock
netrom: fix possible dead-lock in nr_rt_ioctl()
idpf: don't skip over ethtool tcp-data-split setting
dt-bindings: net: qcom: ethernet: Allow dma-coherent
bonding: fix oops during rmmod
net/ipv6: Fix route deleting failure when metric equals 0
selftests/net: reduce xfrm_policy test time
selftests/bpf: Adjust btf_dump test to reflect recent change in file_operations
selftests/bpf: Adjust test_access_variable_array after a kernel function name change
selftests/net/lib: no need to record ns name if it already exist
net: qrtr: ns: Fix module refcnt
...
|
||
|
Linus Torvalds
|
fa3889d970 |
user-event updates for v6.10:
- Minor update to the user_events interface The ABI of creating a user event states that the fields are separated by semicolons, and spaces should be ignored. But the parsing expected at least one space to be there (which was incorrect). Fix the reading of the string to handle fields separated by semicolons but no space between them. This does extend the API sightly as now "field;field" will now be parsed and not cause an error. But it should not cause any regressions as no logic should expect it to fail. Note, that the logic that parses the event fields to create the trace_event works with no spaces after the semi-colon. It is the logic that tests against existing events that is inconsistent. This causes registering an event without using spaces to succeed if it doesn't exist, but makes the same call that tries to register to the same event, but doesn't use spaces, fail. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZkZN1hQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qvCXAQDO8b2GeCuAMa2SW7PMFdpB2Tc2F5v4 WPBEKaLb0TU+7AEAwR0rCm22p9rpke754lcpZDz7xJNcyiyMkyXeJWCauQA= =PYwP -----END PGP SIGNATURE----- Merge tag 'trace-user-events-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing user-event updates from Steven Rostedt: - Minor update to the user_events interface The ABI of creating a user event states that the fields are separated by semicolons, and spaces should be ignored. But the parsing expected at least one space to be there (which was incorrect). Fix the reading of the string to handle fields separated by semicolons but no space between them. This does extend the API sightly as now "field;field" will now be parsed and not cause an error. But it should not cause any regressions as no logic should expect it to fail. Note, that the logic that parses the event fields to create the trace_event works with no spaces after the semi-colon. It is the logic that tests against existing events that is inconsistent. This causes registering an event without using spaces to succeed if it doesn't exist, but makes the same call that tries to register to the same event, but doesn't use spaces, fail. * tag 'trace-user-events-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: selftests/user_events: Add non-spacing separator check tracing/user_events: Fix non-spaced field matching |
||
|
Linus Torvalds
|
53683e4080 |
tracing ring buffer updates for v6.10:
- Add ring_buffer memory mappings The tracing ring buffer was created based on being mostly used with the splice system call. It is broken up into page ordered sub-buffers and the reader swaps a new sub-buffer with an existing sub-buffer that's part of the write buffer. It then has total access to the swapped out sub-buffer and can do copyless movements of the memory into other mediums (file system, network, etc). The buffer is great for passing around the ring buffer contents in the kernel, but is not so good for when the consumer is the user space task itself. A new interface is added that allows user space to memory map the ring buffer. It will get all the write sub-buffers as well as reader sub-buffer (that is not written to). It can send an ioctl to change which sub-buffer is the new reader sub-buffer. The ring buffer is read only to user space. It only needs to call the ioctl when it is finished with a sub-buffer and needs a new sub-buffer that the writer will not write over. A self test program was also created for testing and can be used as an example for the interface to user space. The libtracefs (external to the kernel) also has code that interacts with this, although it is disabled until the interface is in a official release. It can be enabled by compiling the library with a special flag. This was used for testing applications that perform better with the buffer being mapped. Memory mapped buffers have limitations. The main one is that it can not be used with the snapshot logic. If the buffer is mapped, snapshots will be disabled. If any logic is set to trigger snapshots on a buffer, that buffer will not be allowed to be mapped. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZkYzDRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qttNAQCj3I0OpeI1vms85ShIa7Eha2qes5uC Yml2fnapkmRSwAEAp5UTGxtDctycWOk9B9PA7/oJmLgATaQwRKoEeTUwfAA= =TyEB -----END PGP SIGNATURE----- Merge tag 'trace-ringbuffer-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing ring buffer updates from Steven Rostedt: "Add ring_buffer memory mappings. The tracing ring buffer was created based on being mostly used with the splice system call. It is broken up into page ordered sub-buffers and the reader swaps a new sub-buffer with an existing sub-buffer that's part of the write buffer. It then has total access to the swapped out sub-buffer and can do copyless movements of the memory into other mediums (file system, network, etc). The buffer is great for passing around the ring buffer contents in the kernel, but is not so good for when the consumer is the user space task itself. A new interface is added that allows user space to memory map the ring buffer. It will get all the write sub-buffers as well as reader sub-buffer (that is not written to). It can send an ioctl to change which sub-buffer is the new reader sub-buffer. The ring buffer is read only to user space. It only needs to call the ioctl when it is finished with a sub-buffer and needs a new sub-buffer that the writer will not write over. A self test program was also created for testing and can be used as an example for the interface to user space. The libtracefs (external to the kernel) also has code that interacts with this, although it is disabled until the interface is in a official release. It can be enabled by compiling the library with a special flag. This was used for testing applications that perform better with the buffer being mapped. Memory mapped buffers have limitations. The main one is that it can not be used with the snapshot logic. If the buffer is mapped, snapshots will be disabled. If any logic is set to trigger snapshots on a buffer, that buffer will not be allowed to be mapped" * tag 'trace-ringbuffer-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: ring-buffer: Add cast to unsigned long addr passed to virt_to_page() ring-buffer: Have mmapped ring buffer keep track of missed events ring-buffer/selftest: Add ring-buffer mapping test Documentation: tracing: Add ring-buffer mapping tracing: Allow user-space mapping of the ring-buffer ring-buffer: Introducing ring-buffer mapping functions ring-buffer: Allocate sub-buffers with __GFP_COMP |
||
|
Linus Torvalds
|
70a663205d |
Probes updates for v6.10:
- tracing/probes: Adding new pseudo-types %pd and %pD support for dumping
dentry name from 'struct dentry *' and file name from 'struct file *'.
- uprobes: Some performance optimizations have been done.
. Speed up the BPF uprobe event by delaying the fetching of the uprobe
event arguments that are not used in BPF.
. Avoid locking by speculatively checking whether uprobe event is valid.
. Reduce lock contention by using read/write_lock instead of spinlock for
uprobe list operation. This improved BPF uprobe benchmark result 43% on
average.
- rethook: Removes non-fatal warning messages when tracing stack from BPF
and skip rcu_is_watching() validation in rethook if possible.
- objpool: Optimizing objpool (which is used by kretprobes and fprobe as
rethook backend storage) by inlining functions and avoid caching nr_cpu_ids
because it is a const value.
- fprobe: Add entry/exit callbacks types (code cleanup)
- kprobes: Check ftrace was killed in kprobes if it uses ftrace.
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Merge tag 'probes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
- tracing/probes: Add new pseudo-types %pd and %pD support for dumping
dentry name from 'struct dentry *' and file name from 'struct file *'
- uprobes performance optimizations:
- Speed up the BPF uprobe event by delaying the fetching of the
uprobe event arguments that are not used in BPF
- Avoid locking by speculatively checking whether uprobe event is
valid
- Reduce lock contention by using read/write_lock instead of
spinlock for uprobe list operation. This improved BPF uprobe
benchmark result 43% on average
- rethook: Remove non-fatal warning messages when tracing stack from
BPF and skip rcu_is_watching() validation in rethook if possible
- objpool: Optimize objpool (which is used by kretprobes and fprobe as
rethook backend storage) by inlining functions and avoid caching
nr_cpu_ids because it is a const value
- fprobe: Add entry/exit callbacks types (code cleanup)
- kprobes: Check ftrace was killed in kprobes if it uses ftrace
* tag 'probes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
kprobe/ftrace: bail out if ftrace was killed
selftests/ftrace: Fix required features for VFS type test case
objpool: cache nr_possible_cpus() and avoid caching nr_cpu_ids
objpool: enable inlining objpool_push() and objpool_pop() operations
rethook: honor CONFIG_FTRACE_VALIDATE_RCU_IS_WATCHING in rethook_try_get()
ftrace: make extra rcu_is_watching() validation check optional
uprobes: reduce contention on uprobes_tree access
rethook: Remove warning messages printed for finding return address of a frame.
fprobe: Add entry/exit callbacks types
selftests/ftrace: add fprobe test cases for VFS type "%pd" and "%pD"
selftests/ftrace: add kprobe test cases for VFS type "%pd" and "%pD"
Documentation: tracing: add new type '%pd' and '%pD' for kprobe
tracing/probes: support '%pD' type for print struct file's name
tracing/probes: support '%pd' type for print struct dentry's name
uprobes: add speculative lockless system-wide uprobe filter check
uprobes: prepare uprobe args buffer lazily
uprobes: encapsulate preparation of uprobe args buffer
|
||
|
Jakub Kicinski
|
fe56d6e4a9 |
selftests: net: local_termination: annotate the expected failures
Vladimir said when adding this test:
The bridge driver fares particularly badly [...] mainly because
it does not implement IFF_UNICAST_FLT.
See commit
|
||
|
Linus Torvalds
|
ff2632d7d0 |
powerpc updates for 6.10
- Enable BPF Kernel Functions (kfuncs) in the powerpc BPF JIT.
- Allow per-process DEXCR (Dynamic Execution Control Register) settings via
prctl, notably NPHIE which controls hashst/hashchk for ROP protection.
- Install powerpc selftests in sub-directories. Note this changes the way
run_kselftest.sh needs to be invoked for powerpc selftests.
- Change fadump (Firmware Assisted Dump) to better handle memory add/remove.
- Add support for passing additional parameters to the fadump kernel.
- Add support for updating the kdump image on CPU/memory add/remove events.
- Other small features, cleanups and fixes.
Thanks to: Andrew Donnellan, Andy Shevchenko, Aneesh Kumar K.V, Arnd Bergmann,
Benjamin Gray, Bjorn Helgaas, Christian Zigotzky, Christophe Jaillet, Christophe
Leroy, Colin Ian King, Cédric Le Goater, Dr. David Alan Gilbert, Erhard Furtner,
Frank Li, GUO Zihua, Ganesh Goudar, Geoff Levand, Ghanshyam Agrawal, Greg Kurz,
Hari Bathini, Joel Stanley, Justin Stitt, Kunwu Chan, Li Yang, Lidong Zhong,
Madhavan Srinivasan, Mahesh Salgaonkar, Masahiro Yamada, Matthias Schiffer,
Naresh Kamboju, Nathan Chancellor, Nathan Lynch, Naveen N Rao, Nicholas
Miehlbradt, Ran Wang, Randy Dunlap, Ritesh Harjani, Sachin Sant, Shirisha Ganta,
Shrikanth Hegde, Sourabh Jain, Stephen Rothwell, sundar, Thorsten Blum, Vaibhav
Jain, Xiaowei Bao, Yang Li, Zhao Chenhui.
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Merge tag 'powerpc-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Enable BPF Kernel Functions (kfuncs) in the powerpc BPF JIT.
- Allow per-process DEXCR (Dynamic Execution Control Register) settings
via prctl, notably NPHIE which controls hashst/hashchk for ROP
protection.
- Install powerpc selftests in sub-directories. Note this changes the
way run_kselftest.sh needs to be invoked for powerpc selftests.
- Change fadump (Firmware Assisted Dump) to better handle memory
add/remove.
- Add support for passing additional parameters to the fadump kernel.
- Add support for updating the kdump image on CPU/memory add/remove
events.
- Other small features, cleanups and fixes.
Thanks to Andrew Donnellan, Andy Shevchenko, Aneesh Kumar K.V, Arnd
Bergmann, Benjamin Gray, Bjorn Helgaas, Christian Zigotzky, Christophe
Jaillet, Christophe Leroy, Colin Ian King, Cédric Le Goater, Dr. David
Alan Gilbert, Erhard Furtner, Frank Li, GUO Zihua, Ganesh Goudar, Geoff
Levand, Ghanshyam Agrawal, Greg Kurz, Hari Bathini, Joel Stanley, Justin
Stitt, Kunwu Chan, Li Yang, Lidong Zhong, Madhavan Srinivasan, Mahesh
Salgaonkar, Masahiro Yamada, Matthias Schiffer, Naresh Kamboju, Nathan
Chancellor, Nathan Lynch, Naveen N Rao, Nicholas Miehlbradt, Ran Wang,
Randy Dunlap, Ritesh Harjani, Sachin Sant, Shirisha Ganta, Shrikanth
Hegde, Sourabh Jain, Stephen Rothwell, sundar, Thorsten Blum, Vaibhav
Jain, Xiaowei Bao, Yang Li, and Zhao Chenhui.
* tag 'powerpc-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (85 commits)
powerpc/fadump: Fix section mismatch warning
powerpc/85xx: fix compile error without CONFIG_CRASH_DUMP
powerpc/fadump: update documentation about bootargs_append
powerpc/fadump: pass additional parameters when fadump is active
powerpc/fadump: setup additional parameters for dump capture kernel
powerpc/pseries/fadump: add support for multiple boot memory regions
selftests/powerpc/dexcr: Fix spelling mistake "predicition" -> "prediction"
KVM: PPC: Book3S HV nestedv2: Fix an error handling path in gs_msg_ops_kvmhv_nestedv2_config_fill_info()
KVM: PPC: Fix documentation for ppc mmu caps
KVM: PPC: code cleanup for kvmppc_book3s_irqprio_deliver
KVM: PPC: Book3S HV nestedv2: Cancel pending DEC exception
powerpc/xmon: Check cpu id in commands "c#", "dp#" and "dx#"
powerpc/code-patching: Use dedicated memory routines for patching
powerpc/code-patching: Test patch_instructions() during boot
powerpc64/kasan: Pass virtual addresses to kasan_init_phys_region()
powerpc: rename SPRN_HID2 define to SPRN_HID2_750FX
powerpc: Fix typos
powerpc/eeh: Fix spelling of the word "auxillary" and update comment
macintosh/ams: Fix unused variable warning
powerpc/Makefile: Remove bits related to the previous use of -mcmodel=large
...
|
||
|
Hangbin Liu
|
988af27636 |
selftests/net: reduce xfrm_policy test time
The check_random_order test add/get plenty of xfrm rules, which consume a lot time on debug kernel and always TIMEOUT. Let's reduce the test loop and see if it works. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240514095227.2597730-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
52d94c180a |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZkadRwAKCRDbK58LschI g7xHAP4qtAPmdwIkR5WIuqZtSEgk+a8ZZAvBvfEiGmjTH57x7QEAwvHBo0BkemuG E8VjTgG12h93iI0VwNFY4k9MgBmWQQA= =9BHu -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-05-17 We've added 7 non-merge commits during the last 2 day(s) which contain a total of 8 files changed, 20 insertions(+), 9 deletions(-). The main changes are: 1) Fix KASAN slab-out-of-bounds in percpu_array_map_gen_lookup and add BPF selftests to cover this case, from Andrii Nakryiko. (Report https://lore.kernel.org/bpf/20240514231155.1004295-1-kuba@kernel.org/) 2) Fix two BPF selftests to adjust for kernel changes after fast-forwarding Linus' tree to make BPF CI all green again, from Martin KaFai Lau. 3) Fix libbpf feature detectors when using token_fd by adjusting the attribute size for memset to cover the former, also from Andrii Nakryiko. 4) Fix the description of 'src' in ALU instructions for the BPF ISA standardization doc, from Puranjay Mohan. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Adjust btf_dump test to reflect recent change in file_operations selftests/bpf: Adjust test_access_variable_array after a kernel function name change selftests/bpf: add more variations of map-in-map situations bpf: save extended inner map info for percpu array maps as well MAINTAINERS: Update ARM64 BPF JIT maintainer bpf, docs: Fix the description of 'src' in ALU instructions libbpf: fix feature detectors when using token_fd ==================== Link: https://lore.kernel.org/r/20240517001600.23703-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Martin KaFai Lau
|
51e2b8d331 |
selftests/bpf: Adjust btf_dump test to reflect recent change in file_operations
The btf_dump test fails:
test_btf_dump_struct_data:FAIL:file_operations unexpected file_operations: actual '(struct file_operations){
.owner = (struct module *)0xffffffffffffffff,
.fop_flags = (fop_flags_t)4294967295,
.llseek = (loff_t (*)(struct f' != expected '(struct file_operations){
.owner = (struct module *)0xffffffffffffffff,
.llseek = (loff_t (*)(struct file *, loff_t, int))0xffffffffffffffff,'
The "fop_flags" is a recent addition to the struct file_operations in
commit
|
||
|
Martin KaFai Lau
|
5405807edd |
selftests/bpf: Adjust test_access_variable_array after a kernel function name change
After commit
|
||
|
Hangbin Liu
|
83e9394279 |
selftests/net/lib: no need to record ns name if it already exist
There is no need to add the name to ns_list again if the netns already
recoreded.
Fixes:
|
||
|
Linus Torvalds
|
de6fef50ea |
cgroup: Changes for v6.10
- The locking around cpuset hotplug processing has always been a bit of mess
which was worked around by making hotplug processing asynchronous. The
asynchronity isn't great and led to other issues. We tried to make the
behavior synchronous a while ago but that led to lockdep splats. Waiman
took another stab at cleaning up and making it synchronous. The patch has
been in -next for well over a month and there haven't been any complaints,
so fingers crossed.
- Tracepoints added to help understanding rstat lock contentions.
- A bunch of minor changes - doc updates, code cleanups and selftests.
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Merge tag 'cgroup-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- The locking around cpuset hotplug processing has always been a bit of
mess which was worked around by making hotplug processing
asynchronous. The asynchronity isn't great and led to other issues.
We tried to make the behavior synchronous a while ago but that led to
lockdep splats. Waiman took another stab at cleaning up and making it
synchronous. The patch has been in -next for well over a month and
there haven't been any complaints, so fingers crossed.
- Tracepoints added to help understanding rstat lock contentions.
- A bunch of minor changes - doc updates, code cleanups and selftests.
* tag 'cgroup-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (24 commits)
cgroup/rstat: add cgroup_rstat_cpu_lock helpers and tracepoints
selftests/cgroup: Drop define _GNU_SOURCE
docs: cgroup-v1: Update page cache removal functions
selftests/cgroup: fix uninitialized variables in test_zswap.c
selftests/cgroup: cpu_hogger init: use {} instead of {NULL}
selftests/cgroup: fix clang warnings: uninitialized fd variable
selftests/cgroup: fix clang build failures for abs() calls
cgroup/cpuset: Remove outdated comment in sched_partition_write()
cgroup/cpuset: Fix incorrect top_cpuset flags
cgroup/cpuset: Avoid clearing CS_SCHED_LOAD_BALANCE twice
cgroup/cpuset: Statically initialize more members of top_cpuset
cgroup: Avoid unnecessary looping in cgroup_no_v1()
cgroup, legacy_freezer: update comment for freezer_css_offline()
docs, cgroup: add entries for pids to cgroup-v2.rst
cgroup: don't call cgroup1_pidlist_destroy_all() for v2
cgroup_freezer: update comment for freezer_css_online()
cgroup/rstat: desc member cgrp in cgroup_rstat_flush_release
cgroup/rstat: add cgroup_rstat_lock helpers and tracepoints
cgroup/pids: Remove superfluous zeroing
docs: cgroup-v1: Fix description for css_online
...
|
||
|
Linus Torvalds
|
f4b0c4b508 |
ARM:
* Move a lot of state that was previously stored on a per vcpu
basis into a per-CPU area, because it is only pertinent to the
host while the vcpu is loaded. This results in better state
tracking, and a smaller vcpu structure.
* Add full handling of the ERET/ERETAA/ERETAB instructions in
nested virtualisation. The last two instructions also require
emulating part of the pointer authentication extension.
As a result, the trap handling of pointer authentication has
been greatly simplified.
* Turn the global (and not very scalable) LPI translation cache
into a per-ITS, scalable cache, making non directly injected
LPIs much cheaper to make visible to the vcpu.
* A batch of pKVM patches, mostly fixes and cleanups, as the
upstreaming process seems to be resuming. Fingers crossed!
* Allocate PPIs and SGIs outside of the vcpu structure, allowing
for smaller EL2 mapping and some flexibility in implementing
more or less than 32 private IRQs.
* Purge stale mpidr_data if a vcpu is created after the MPIDR
map has been created.
* Preserve vcpu-specific ID registers across a vcpu reset.
* Various minor cleanups and improvements.
LoongArch:
* Add ParaVirt IPI support.
* Add software breakpoint support.
* Add mmio trace events support.
RISC-V:
* Support guest breakpoints using ebreak
* Introduce per-VCPU mp_state_lock and reset_cntx_lock
* Virtualize SBI PMU snapshot and counter overflow interrupts
* New selftests for SBI PMU and Guest ebreak
* Some preparatory work for both TDX and SNP page fault handling.
This also cleans up the page fault path, so that the priorities
of various kinds of fauls (private page, no memory, write
to read-only slot, etc.) are easier to follow.
x86:
* Minimize amount of time that shadow PTEs remain in the special
REMOVED_SPTE state. This is a state where the mmu_lock is held for
reading but concurrent accesses to the PTE have to spin; shortening
its use allows other vCPUs to repopulate the zapped region while
the zapper finishes tearing down the old, defunct page tables.
* Advertise the max mappable GPA in the "guest MAXPHYADDR" CPUID field,
which is defined by hardware but left for software use. This lets KVM
communicate its inability to map GPAs that set bits 51:48 on hosts
without 5-level nested page tables. Guest firmware is expected to
use the information when mapping BARs; this avoids that they end up at
a legal, but unmappable, GPA.
* Fixed a bug where KVM would not reject accesses to MSR that aren't
supposed to exist given the vCPU model and/or KVM configuration.
* As usual, a bunch of code cleanups.
x86 (AMD):
* Implement a new and improved API to initialize SEV and SEV-ES VMs, which
will also be extendable to SEV-SNP. The new API specifies the desired
encryption in KVM_CREATE_VM and then separately initializes the VM.
The new API also allows customizing the desired set of VMSA features;
the features affect the measurement of the VM's initial state, and
therefore enabling them cannot be done tout court by the hypervisor.
While at it, the new API includes two bugfixes that couldn't be
applied to the old one without a flag day in userspace or without
affecting the initial measurement. When a SEV-ES VM is created with
the new VM type, KVM_GET_REGS/KVM_SET_REGS and friends are
rejected once the VMSA has been encrypted. Also, the FPU and AVX
state will be synchronized and encrypted too.
* Support for GHCB version 2 as applicable to SEV-ES guests. This, once
more, is only accessible when using the new KVM_SEV_INIT2 flow for
initialization of SEV-ES VMs.
x86 (Intel):
* An initial bunch of prerequisite patches for Intel TDX were merged.
They generally don't do anything interesting. The only somewhat user
visible change is a new debugging mode that checks that KVM's MMU
never triggers a #VE virtualization exception in the guest.
* Clear vmcs.EXIT_QUALIFICATION when synthesizing an EPT Misconfig VM-Exit to
L1, as per the SDM.
Generic:
* Use vfree() instead of kvfree() for allocations that always use vcalloc()
or __vcalloc().
* Remove .change_pte() MMU notifier - the changes to non-KVM code are
small and Andrew Morton asked that I also take those through the KVM
tree. The callback was only ever implemented by KVM (which was also the
original user of MMU notifiers) but it had been nonfunctional ever since
calls to set_pte_at_notify were wrapped with invalidate_range_start
and invalidate_range_end... in 2012.
Selftests:
* Enhance the demand paging test to allow for better reporting and stressing
of UFFD performance.
* Convert the steal time test to generate TAP-friendly output.
* Fix a flaky false positive in the xen_shinfo_test due to comparing elapsed
time across two different clock domains.
* Skip the MONITOR/MWAIT test if the host doesn't actually support MWAIT.
* Avoid unnecessary use of "sudo" in the NX hugepage test wrapper shell
script, to play nice with running in a minimal userspace environment.
* Allow skipping the RSEQ test's sanity check that the vCPU was able to
complete a reasonable number of KVM_RUNs, as the assert can fail on a
completely valid setup. If the test is run on a large-ish system that is
otherwise idle, and the test isn't affined to a low-ish number of CPUs, the
vCPU task can be repeatedly migrated to CPUs that are in deep sleep states,
which results in the vCPU having very little net runtime before the next
migration due to high wakeup latencies.
* Define _GNU_SOURCE for all selftests to fix a warning that was introduced by
a change to kselftest_harness.h late in the 6.9 cycle, and because forcing
every test to #define _GNU_SOURCE is painful.
* Provide a global pseudo-RNG instance for all tests, so that library code can
generate random, but determinstic numbers.
* Use the global pRNG to randomly force emulation of select writes from guest
code on x86, e.g. to help validate KVM's emulation of locked accesses.
* Allocate and initialize x86's GDT, IDT, TSS, segments, and default exception
handlers at VM creation, instead of forcing tests to manually trigger the
related setup.
Documentation:
* Fix a goof in the KVM_CREATE_GUEST_MEMFD documentation.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"ARM:
- Move a lot of state that was previously stored on a per vcpu basis
into a per-CPU area, because it is only pertinent to the host while
the vcpu is loaded. This results in better state tracking, and a
smaller vcpu structure.
- Add full handling of the ERET/ERETAA/ERETAB instructions in nested
virtualisation. The last two instructions also require emulating
part of the pointer authentication extension. As a result, the trap
handling of pointer authentication has been greatly simplified.
- Turn the global (and not very scalable) LPI translation cache into
a per-ITS, scalable cache, making non directly injected LPIs much
cheaper to make visible to the vcpu.
- A batch of pKVM patches, mostly fixes and cleanups, as the
upstreaming process seems to be resuming. Fingers crossed!
- Allocate PPIs and SGIs outside of the vcpu structure, allowing for
smaller EL2 mapping and some flexibility in implementing more or
less than 32 private IRQs.
- Purge stale mpidr_data if a vcpu is created after the MPIDR map has
been created.
- Preserve vcpu-specific ID registers across a vcpu reset.
- Various minor cleanups and improvements.
LoongArch:
- Add ParaVirt IPI support
- Add software breakpoint support
- Add mmio trace events support
RISC-V:
- Support guest breakpoints using ebreak
- Introduce per-VCPU mp_state_lock and reset_cntx_lock
- Virtualize SBI PMU snapshot and counter overflow interrupts
- New selftests for SBI PMU and Guest ebreak
- Some preparatory work for both TDX and SNP page fault handling.
This also cleans up the page fault path, so that the priorities of
various kinds of fauls (private page, no memory, write to read-only
slot, etc.) are easier to follow.
x86:
- Minimize amount of time that shadow PTEs remain in the special
REMOVED_SPTE state.
This is a state where the mmu_lock is held for reading but
concurrent accesses to the PTE have to spin; shortening its use
allows other vCPUs to repopulate the zapped region while the zapper
finishes tearing down the old, defunct page tables.
- Advertise the max mappable GPA in the "guest MAXPHYADDR" CPUID
field, which is defined by hardware but left for software use.
This lets KVM communicate its inability to map GPAs that set bits
51:48 on hosts without 5-level nested page tables. Guest firmware
is expected to use the information when mapping BARs; this avoids
that they end up at a legal, but unmappable, GPA.
- Fixed a bug where KVM would not reject accesses to MSR that aren't
supposed to exist given the vCPU model and/or KVM configuration.
- As usual, a bunch of code cleanups.
x86 (AMD):
- Implement a new and improved API to initialize SEV and SEV-ES VMs,
which will also be extendable to SEV-SNP.
The new API specifies the desired encryption in KVM_CREATE_VM and
then separately initializes the VM. The new API also allows
customizing the desired set of VMSA features; the features affect
the measurement of the VM's initial state, and therefore enabling
them cannot be done tout court by the hypervisor.
While at it, the new API includes two bugfixes that couldn't be
applied to the old one without a flag day in userspace or without
affecting the initial measurement. When a SEV-ES VM is created with
the new VM type, KVM_GET_REGS/KVM_SET_REGS and friends are rejected
once the VMSA has been encrypted. Also, the FPU and AVX state will
be synchronized and encrypted too.
- Support for GHCB version 2 as applicable to SEV-ES guests.
This, once more, is only accessible when using the new
KVM_SEV_INIT2 flow for initialization of SEV-ES VMs.
x86 (Intel):
- An initial bunch of prerequisite patches for Intel TDX were merged.
They generally don't do anything interesting. The only somewhat
user visible change is a new debugging mode that checks that KVM's
MMU never triggers a #VE virtualization exception in the guest.
- Clear vmcs.EXIT_QUALIFICATION when synthesizing an EPT Misconfig
VM-Exit to L1, as per the SDM.
Generic:
- Use vfree() instead of kvfree() for allocations that always use
vcalloc() or __vcalloc().
- Remove .change_pte() MMU notifier - the changes to non-KVM code are
small and Andrew Morton asked that I also take those through the
KVM tree.
The callback was only ever implemented by KVM (which was also the
original user of MMU notifiers) but it had been nonfunctional ever
since calls to set_pte_at_notify were wrapped with
invalidate_range_start and invalidate_range_end... in 2012.
Selftests:
- Enhance the demand paging test to allow for better reporting and
stressing of UFFD performance.
- Convert the steal time test to generate TAP-friendly output.
- Fix a flaky false positive in the xen_shinfo_test due to comparing
elapsed time across two different clock domains.
- Skip the MONITOR/MWAIT test if the host doesn't actually support
MWAIT.
- Avoid unnecessary use of "sudo" in the NX hugepage test wrapper
shell script, to play nice with running in a minimal userspace
environment.
- Allow skipping the RSEQ test's sanity check that the vCPU was able
to complete a reasonable number of KVM_RUNs, as the assert can fail
on a completely valid setup.
If the test is run on a large-ish system that is otherwise idle,
and the test isn't affined to a low-ish number of CPUs, the vCPU
task can be repeatedly migrated to CPUs that are in deep sleep
states, which results in the vCPU having very little net runtime
before the next migration due to high wakeup latencies.
- Define _GNU_SOURCE for all selftests to fix a warning that was
introduced by a change to kselftest_harness.h late in the 6.9
cycle, and because forcing every test to #define _GNU_SOURCE is
painful.
- Provide a global pseudo-RNG instance for all tests, so that library
code can generate random, but determinstic numbers.
- Use the global pRNG to randomly force emulation of select writes
from guest code on x86, e.g. to help validate KVM's emulation of
locked accesses.
- Allocate and initialize x86's GDT, IDT, TSS, segments, and default
exception handlers at VM creation, instead of forcing tests to
manually trigger the related setup.
Documentation:
- Fix a goof in the KVM_CREATE_GUEST_MEMFD documentation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (225 commits)
selftests/kvm: remove dead file
KVM: selftests: arm64: Test vCPU-scoped feature ID registers
KVM: selftests: arm64: Test that feature ID regs survive a reset
KVM: selftests: arm64: Store expected register value in set_id_regs
KVM: selftests: arm64: Rename helper in set_id_regs to imply VM scope
KVM: arm64: Only reset vCPU-scoped feature ID regs once
KVM: arm64: Reset VM feature ID regs from kvm_reset_sys_regs()
KVM: arm64: Rename is_id_reg() to imply VM scope
KVM: arm64: Destroy mpidr_data for 'late' vCPU creation
KVM: arm64: Use hVHE in pKVM by default on CPUs with VHE support
KVM: arm64: Fix hvhe/nvhe early alias parsing
KVM: SEV: Allow per-guest configuration of GHCB protocol version
KVM: SEV: Add GHCB handling for termination requests
KVM: SEV: Add GHCB handling for Hypervisor Feature Support requests
KVM: SEV: Add support to handle AP reset MSR protocol
KVM: x86: Explicitly zero kvm_caps during vendor module load
KVM: x86: Fully re-initialize supported_mce_cap on vendor module load
KVM: x86: Fully re-initialize supported_vm_types on vendor module load
KVM: x86/mmu: Sanity check that __kvm_faultin_pfn() doesn't create noslot pfns
KVM: x86/mmu: Initialize kvm_page_fault's pfn and hva to error values
...
|
||
|
Linus Torvalds
|
2e9250022e |
CXL changes for v6.10 merge window
Topics:
- Add CXL log related mailbox commands
- Add Get Log Capabilities command
- Add Get Supported Log Sub-List Commands command
- Add Clear Log command
- Add series for HPA to DPA translation for CXL events cxl_dram and cxl_general_media
- Add support to send CPER records to CXL for more detailed parsing.
Misc changes and fixes:
- Fix for compile warning of cxl_security_ops
- Add debug message for invalid interleave granularity
- Enhancement to cxl-test event testing
- Add dev_warn() on unsupported mixed mode decoder
- Fix use of phys_to_target_node() for x86
- Use helper function for decoder enum instead of open coding
- Include missing headers for cxl-event
- Fix MAINTAINERS file entry
- Fix cxlr_pmem memory leak
- Cleanup __cxl_parse_cfmws via scope-based resource menagement
- Convert cxl_pmem_region_alloc() to scope-based resource management
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Merge tag 'cxl-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL updates from Dave Jiang:
- Three CXL mailbox passthrough commands are added to support the
populating and clearing of vendor debug logs:
- Get Log Capabilities
- Get Supported Log Sub-List Commands
- Clear Log
- Add support of Device Phyiscal Address (DPA) to Host Physical Address
(HPA) translation for CXL events of cxl_dram and cxl_general media.
This allows user space to figure out which CXL region the event
occured via trace event.
- Connect CXL to CPER reporting.
If a device is configured for firmware first, CXL event records are
not sent directly to the host. Those records are reported through EFI
Common Platform Error Records (CPER). Add support to route the CPER
records through the CXL sub-system in order to provide DPA to HPA
translation and also event decoding and tracing. This is useful for
users to determine which system issues may correspond to specific
hardware events.
- A number of misc cleanups and fixes:
- Fix for compile warning of cxl_security_ops
- Add debug message for invalid interleave granularity
- Enhancement to cxl-test event testing
- Add dev_warn() on unsupported mixed mode decoder
- Fix use of phys_to_target_node() for x86
- Use helper function for decoder enum instead of open coding
- Include missing headers for cxl-event
- Fix MAINTAINERS file entry
- Fix cxlr_pmem memory leak
- Cleanup __cxl_parse_cfmws via scope-based resource menagement
- Convert cxl_pmem_region_alloc() to scope-based resource management
* tag 'cxl-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (21 commits)
cxl/cper: Remove duplicated GUID defines
cxl/cper: Fix non-ACPI-APEI-GHES build
cxl/pci: Process CPER events
acpi/ghes: Process CXL Component Events
cxl/region: Convert cxl_pmem_region_alloc to scope-based resource management
cxl/acpi: Cleanup __cxl_parse_cfmws()
cxl/region: Fix cxlr_pmem leaks
cxl/core: Add region info to cxl_general_media and cxl_dram events
cxl/region: Move cxl_trace_hpa() work to the region driver
cxl/region: Move cxl_dpa_to_region() work to the region driver
cxl/trace: Correct DPA field masks for general_media & dram events
MAINTAINERS: repair file entry in COMPUTE EXPRESS LINK
cxl/cxl-event: include missing <linux/types.h> and <linux/uuid.h>
cxl/hdm: Debug, use decoder name function
cxl: Fix use of phys_to_target_node() for x86
cxl/hdm: dev_warn() on unsupported mixed mode decoder
cxl/test: Enhance event testing
cxl/hdm: Add debug message for invalid interleave granularity
cxl: Fix compile warning for cxl_security_ops extern
cxl/mbox: Add Clear Log mailbox command
...
|
||
|
Linus Torvalds
|
c405aa3ea3 |
Updates for nvdimm for 6.10
Code cleanups, remove duplicate code, and updates for current interfaces. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQSgX9xt+GwmrJEQ+euebuN7TNx1MQUCZkThOhQcaXJhLndlaW55 QGludGVsLmNvbQAKCRCebuN7TNx1MWUvAP9VuWLTc+bCguRMbArOsdE2T60780pR DT12KXfwm/FvKAD9Hyz8S2CkwvdlwC5hqH2AmdpzDhpJ1f9LBpcsb6GUKwk= =eZC/ -----END PGP SIGNATURE----- Merge tag 'libnvdimm-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull nvdimm updates from Ira Weiny: "The changes include removing duplicate code and updating the nvdimm tree to the current kernel interfaces such as using const for struct device_type and changing the platform remove callback signature" * tag 'libnvdimm-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: remove redundant assignment to variable rc ndtest: Convert to platform remove callback returning void nvdimm/btt: always set max_integrity_segments nvdimm: remove nd_integrity_init dax: constify the struct device_type usage powerpc/papr_scm: Move duplicate definitions to common header files |
||
|
Linus Torvalds
|
a19264d086 |
printk changes for 6.10
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||
|
Paolo Bonzini
|
cba23f333f |
selftests/kvm: remove dead file
This file was supposed to be removed in commit
|
||
|
Linus Torvalds
|
33e02dc69a |
sound updates for 6.10-rc1
This one became bigger than usual, not in the total size but rather
containing lots of small changes all over the places. The majority of
changes are about ASoC, especially SOF / Intel stuff, and we see an
interesting work for ASoC DAPM graph visualization, while there are
many other code cleanup and refactoring, too.
Core:
- A deadlock fix at device disconnection
- A new tool dapm-graph for visualising the DAPM state
ASoC:
- Large updates throughout the Intel audio drivers
- Fixes and clarifications for the DAPM documentation
- Cleanups of accessors for driver data, module labelling, and for
constification
- Modernsation and cleanup work in the Mediatek drivers
- Several fixes and features for the DaVinci I2S driver
- New drivers for several AMD and Intel platforms, Nuvoton NAU8325,
Rockchip RK3308 and Texas Instruments PCM6240
HD-audio:
- Cleanup for CONFIG_PM dependencies
- Cirrus HD-audio codec fixes and quirks
Others:
- Series of tree-wide fixes in Makefiles to use *-y
- Additions of missing module descriptions
- Scarlett2 USB mixer enhancements
- A series of legacy emu10k1 fixes and improvements
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Merge tag 'sound-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This one became bigger than usual, not in the total size but rather
containing lots of small changes all over the places.
The majority of changes are about ASoC, especially SOF / Intel stuff,
and we see an interesting work for ASoC DAPM graph visualization,
while there are many other code cleanup and refactoring, too.
Core:
- A deadlock fix at device disconnection
- A new tool dapm-graph for visualising the DAPM state
ASoC:
- Large updates throughout the Intel audio drivers
- Fixes and clarifications for the DAPM documentation
- Cleanups of accessors for driver data, module labelling, and for
constification
- Modernsation and cleanup work in the Mediatek drivers
- Several fixes and features for the DaVinci I2S driver
- New drivers for several AMD and Intel platforms, Nuvoton NAU8325,
Rockchip RK3308 and Texas Instruments PCM6240
HD-audio:
- Cleanup for CONFIG_PM dependencies
- Cirrus HD-audio codec fixes and quirks
Others:
- Series of tree-wide fixes in Makefiles to use *-y
- Additions of missing module descriptions
- Scarlett2 USB mixer enhancements
- A series of legacy emu10k1 fixes and improvements"
* tag 'sound-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (603 commits)
ALSA: hda/realtek: Drop doubly quirk entry for 103c:8a2e
ALSA: hda/realtek - fixed headset Mic not show
ASoC: SOF: amd: Fix build error with built-in config
ALSA: scarlett2: Increase mixer range to +12dB
ALSA: scarlett2: Add S/PDIF source selection controls
ALSA: core: Remove superfluous CONFIG_PM
ALSA: Fix deadlocks with kctl removals at disconnection
ASoC: audio-graph-card2: call of_node_get() before of_get_next_child()
ASoC: SOF: amd: Correct spaces in Makefile
ASoC: rt715-sdca-sdw: Fix wrong complete waiting in rt715_dev_resume()
ASoC: Intel: sof_sdw_rt_amp: use dai parameter
ASoC: Intel: sof_sdw: add dai parameter to rtd_init callback
ASoC: Intel: sof_sdw: use .controls/.widgets to add controls/widgets
ASoC: Intel: sof_sdw: add controls and dapm widgets in codec_info
ASoC: Intel: sof_sdw: use generic name for controls/widgets
ASoC: Intel: sof_sdw_cs_amp: rename Speakers to Speaker
ASoC: Intel: maxim-common: change max98373 data to static
ASoC: Intel: sof_sdw: add max98373 dapm routes
ASoC: Intel: sof_rt5682: use max_98373_dai_link function
ASoC: Intel: sof_nau8825: use max_98373_dai_link function
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