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32b72debef
16645 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
32b72debef |
linux_kselftest-next-6.12-rc1
This kselftest update for Linux 6.12-rc1 consists of: -- test coverage for dup_fd() failure handling in unshare_fd() -- new selftest for the acct() syscall -- basic uprobe testcase -- several small fixes and cleanups to existing tests -- user and strscpy removal as they became kunit tests -- fixes to build failures and warnings -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmboxGEACgkQCwJExA0N Qxzq6xAAl5f8mW8acVT5DESKtKHJRpuA0bhNm+1sRRinBS+lTF42Pwd5BbYbtpZE wjCxKtyo775HAS2F8pE/afZRZRx08EChE0W4GxEacH0nw5BCUiWM5aHxf+84NEKE GEQoLlfXnT4F3V+dtwx0eC+kXUDJ0fZT6P+iI29Dj/IZ1WjEYZ1IF6R0PgCaR4RE LH6d77AYx3HolwMDolDmoyXdpCbeYmhtWR0QzqaMaYLozitd92uN4Iwkf9LPPBXq O8P8wYcOo/h8x7OVf8bLA1UqxOU09FA/TBb+Vnu9qMDyKgB6S6NXko7cMDVyCtbe lHnLk2MFyDnCmZqa+sXXtUmDiEgjYSJqmAdP7ue4oFnyKAIoPKwdDutFi5pk+N2p ZqHdWRAYOliz4ZNn2xaUXKc++u4a3ZcBzel/cNrvtBXrHZTgYFBIoycdIHw/e2mz KsvjSxlz/DEC+U266C9MgNnp6S1x9nM0qyPmkxOiUwZO996LYcZJ90WF0PKIaI5M bFDbidAbymkMF9Eh0uMIVzv1L8YTv55qjLdMtHGDBQEnsT5WlUC2HN24sWQUAzGS RBQn33Uoo+sIO0hh0pujOZuYoV1fGlS9gGCpjs6XOKUiU+F1yLdhOLsoiWDfMXR+ MwemO56tQFlNo/2V9ecbav28RZgItVkq4XFXKMsdPkniNcSS06Q= =bFgK -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-next-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest update from Shuah Khan: - test coverage for dup_fd() failure handling in unshare_fd() - new selftest for the acct() syscall - basic uprobe testcase - several small fixes and cleanups to existing tests - user and strscpy removal as they became kunit tests - fixes to build failures and warnings * tag 'linux_kselftest-next-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (21 commits) selftests: kselftest: Use strerror() on nolibc selftests/timers: Remove unused NSEC_PER_SEC macro selftests:resctrl: Fix build failure on archs without __cpuid_count() selftests/ftrace: Fix eventfs ownership testcase to find mount point selftests: filesystems: fix warn_unused_result build warnings selftests:core: test coverage for dup_fd() failure handling in unshare_fd() selftests/ftrace: Fix test to handle both old and new kernels kselftest: timers: Fix const correctness selftests/ftrace: Add required dependency for kprobe tests selftests: rust: config: disable GCC_PLUGINS selftests: rust: config: add trailing newline tracing/selftests: Run the ownership test twice selftests/uprobes: Add a basic uprobe testcase selftests: harness: rename __constructor_order for clarification selftests: harness: remove unneeded __constructor_order_last() selftest: acct: Add selftest for the acct() syscall selftests: lib: remove strscpy test selftests: user: remove user suite kselftest: cpufreq: Add RTC wakeup alarm selftests/exec: Fix grammar in an error message. ... |
||
|
Linus Torvalds
|
395b15778e |
linux_kselftest-nolibc-6.12-rc1
This nolibc update for Linux 6.12-rc1 consists of:
Highlights
----------
* Clang support (including LTO)
Other Changes
-------------
* stdbool.h support
* argc/argv/envp arguments for constructors
* Small #include ordering fix
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Merge tag 'linux_kselftest-nolibc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull nolibc updates from Shuah Khan:
"Highlights:
- Clang support (including LTO)
Other Changes:
- stdbool.h support
- argc/argv/envp arguments for constructors
- Small #include ordering fix"
* tag 'linux_kselftest-nolibc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (21 commits)
tools/nolibc: x86_64: use local label in memcpy/memmove
tools/nolibc: stackprotector: mark implicitly used symbols as used
tools/nolibc: crt: mark _start_c() as used
selftests/nolibc: run-tests.sh: allow building through LLVM
selftests/nolibc: use correct clang target for s390/systemz
selftests/nolibc: don't use libgcc when building with clang
selftests/nolibc: run-tests.sh: avoid overwriting CFLAGS_EXTRA
selftests/nolibc: add cc-option compatible with clang cross builds
selftests/nolibc: add support for LLVM= parameter
selftests/nolibc: determine $(srctree) first
selftests/nolibc: avoid passing NULL to printf("%s")
selftests/nolibc: report failure if no testcase passed
tools/nolibc: compiler: use attribute((naked)) if available
tools/nolibc: move entrypoint specifics to compiler.h
tools/nolibc: compiler: introduce __nolibc_has_attribute()
tools/nolibc: powerpc: limit stack-protector workaround to GCC
tools/nolibc: mips: load current function to $t9
tools/nolibc: arm: use clang-compatible asm syntax
tools/nolibc: pass argc, argv and envp to constructors
tools/nolibc: add stdbool.h header
...
|
||
|
Linus Torvalds
|
70f43ea3a3 |
Updates for x86 memory management:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using tagged
pointers. Cure it by synchronizing LAM enablement via IPIs to all CPUs
which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys for
the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to prevent
kexec fails because the new kernel cannot access the config table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
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Merge tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 memory management updates from Thomas Gleixner:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using
tagged pointers. Cure it by synchronizing LAM enablement via IPIs to
all CPUs which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys
for the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to
prevent kexec fails because the new kernel cannot access the config
table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
* tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioremap: Improve iounmap() address range checks
x86/mm: Remove duplicate check from build_cr3()
x86/mm: Remove unused NX related declarations
x86/mm: Remove unused CR3_HW_ASID_BITS
x86/mm: Don't print out SRAT table information
x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
x86/kexec: Add EFI config table identity mapping for kexec kernel
selftests/mm: Add new testcases for pkeys
x86/pkeys: Restore altstack access in sigreturn()
x86/pkeys: Update PKRU to enable all pkeys before XSAVE
x86/pkeys: Add helper functions to update PKRU on the sigframe
x86/pkeys: Add PKRU as a parameter in signal handling functions
x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking
x86/mm: Fix LAM inconsistency during context switch
x86/mm: Use IPIs to synchronize LAM enablement
|
||
|
Linus Torvalds
|
9ea925c806 |
Updates for timers and timekeeping:
- Core:
- Overhaul of posix-timers in preparation of removing the
workaround for periodic timers which have signal delivery
ignored.
- Remove the historical extra jiffie in msleep()
msleep() adds an extra jiffie to the timeout value to ensure
minimal sleep time. The timer wheel ensures minimal sleep
time since the large rewrite to a non-cascading wheel, but the
extra jiffie in msleep() remained unnoticed. Remove it.
- Make the timer slack handling correct for realtime tasks.
The procfs interface is inconsistent and does neither reflect
reality nor conforms to the man page. Show the correct 0 slack
for real time tasks and enforce it at the core level instead of
having inconsistent individual checks in various timer setup
functions.
- The usual set of updates and enhancements all over the place.
- Drivers:
- Allow the ACPI PM timer to be turned off during suspend
- No new drivers
- The usual updates and enhancements in various drivers
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Merge tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Core:
- Overhaul of posix-timers in preparation of removing the workaround
for periodic timers which have signal delivery ignored.
- Remove the historical extra jiffie in msleep()
msleep() adds an extra jiffie to the timeout value to ensure
minimal sleep time. The timer wheel ensures minimal sleep time
since the large rewrite to a non-cascading wheel, but the extra
jiffie in msleep() remained unnoticed. Remove it.
- Make the timer slack handling correct for realtime tasks.
The procfs interface is inconsistent and does neither reflect
reality nor conforms to the man page. Show the correct 0 slack for
real time tasks and enforce it at the core level instead of having
inconsistent individual checks in various timer setup functions.
- The usual set of updates and enhancements all over the place.
Drivers:
- Allow the ACPI PM timer to be turned off during suspend
- No new drivers
- The usual updates and enhancements in various drivers"
* tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
ntp: Make sure RTC is synchronized when time goes backwards
treewide: Fix wrong singular form of jiffies in comments
cpu: Use already existing usleep_range()
timers: Rename next_expiry_recalc() to be unique
platform/x86:intel/pmc: Fix comment for the pmc_core_acpi_pm_timer_suspend_resume function
clocksource/drivers/jcore: Use request_percpu_irq()
clocksource/drivers/cadence-ttc: Add missing clk_disable_unprepare in ttc_setup_clockevent
clocksource/drivers/asm9260: Add missing clk_disable_unprepare in asm9260_timer_init
clocksource/drivers/qcom: Add missing iounmap() on errors in msm_dt_timer_init()
clocksource/drivers/ingenic: Use devm_clk_get_enabled() helpers
platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended
clocksource: acpi_pm: Add external callback for suspend/resume
clocksource/drivers/arm_arch_timer: Using for_each_available_child_of_node_scoped()
dt-bindings: timer: rockchip: Add rk3576 compatible
timers: Annotate possible non critical data race of next_expiry
timers: Remove historical extra jiffie for timeout in msleep()
hrtimer: Use and report correct timerslack values for realtime tasks
hrtimer: Annotate hrtimer_cpu_base_.*_expiry() for sparse.
timers: Add sparse annotation for timer_sync_wait_running().
signal: Replace BUG_ON()s
...
|
||
|
Linus Torvalds
|
a430d95c5e |
lsm/stable-6.12 PR 20240911
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Those callbacks which haven't been converted were left as-is due to the general ugliness of the changes required to support the static call conversion; we can revisit those callbacks at a future date. - Add the Integrity Policy Enforcement (IPE) LSM This adds a new LSM, Integrity Policy Enforcement (IPE). There is plenty of documentation about IPE in this patches, so I'll refrain from going into too much detail here, but the basic motivation behind IPE is to provide a mechanism such that administrators can restrict execution to only those binaries which come from integrity protected storage, e.g. a dm-verity protected filesystem. You will notice that IPE requires additional LSM hooks in the initramfs, dm-verity, and fs-verity code, with the associated patches carrying ACK/review tags from the associated maintainers. We couldn't find an obvious maintainer for the initramfs code, but the IPE patchset has been widely posted over several years. Both Deven Bowers and Fan Wu have contributed to IPE's development over the past several years, with Fan Wu agreeing to serve as the IPE maintainer moving forward. Once IPE is accepted into your tree, I'll start working with Fan to ensure he has the necessary accounts, keys, etc. so that he can start submitting IPE pull requests to you directly during the next merge window. - Move the lifecycle management of the LSM blobs to the LSM framework Management of the LSM blobs (the LSM state buffers attached to various kernel structs, typically via a void pointer named "security" or similar) has been mixed, some blobs were allocated/managed by individual LSMs, others were managed by the LSM framework itself. Starting with this pull we move management of all the LSM blobs, minus the XFRM blob, into the framework itself, improving consistency across LSMs, and reducing the amount of duplicated code across LSMs. Due to some additional work required to migrate the XFRM blob, it has been left as a todo item for a later date; from a practical standpoint this omission should have little impact as only SELinux provides a XFRM LSM implementation. - Fix problems with the LSM's handling of F_SETOWN The LSM hook for the fcntl(F_SETOWN) operation had a couple of problems: it was racy with itself, and it was disconnected from the associated DAC related logic in such a way that the LSM state could be updated in cases where the DAC state would not. We fix both of these problems by moving the security_file_set_fowner() hook into the same section of code where the DAC attributes are updated. Not only does this resolve the DAC/LSM synchronization issue, but as that code block is protected by a lock, it also resolve the race condition. - Fix potential problems with the security_inode_free() LSM hook Due to use of RCU to protect inodes and the placement of the LSM hook associated with freeing the inode, there is a bit of a challenge when it comes to managing any LSM state associated with an inode. The VFS folks are not open to relocating the LSM hook so we have to get creative when it comes to releasing an inode's LSM state. Traditionally we have used a single LSM callback within the hook that is triggered when the inode is "marked for death", but not actually released due to RCU. Unfortunately, this causes problems for LSMs which want to take an action when the inode's associated LSM state is actually released; so we add an additional LSM callback, inode_free_security_rcu(), that is called when the inode's LSM state is released in the RCU free callback. - Refactor two LSM hooks to better fit the LSM return value patterns The vast majority of the LSM hooks follow the "return 0 on success, negative values on failure" pattern, however, there are a small handful that have unique return value behaviors which has caused confusion in the past and makes it difficult for the BPF verifier to properly vet BPF LSM programs. This includes patches to convert two of these"special" LSM hooks to the common 0/-ERRNO pattern. - Various cleanups and improvements A handful of patches to remove redundant code, better leverage the IS_ERR_OR_NULL() helper, add missing "static" markings, and do some minor style fixups. * tag 'lsm-pr-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (40 commits) security: Update file_set_fowner documentation fs: Fix file_set_fowner LSM hook inconsistencies lsm: Use IS_ERR_OR_NULL() helper function lsm: remove LSM_COUNT and LSM_CONFIG_COUNT ipe: Remove duplicated include in ipe.c lsm: replace indirect LSM hook calls with static calls lsm: count the LSMs enabled at compile time kernel: Add helper macros for loop unrolling init/main.c: Initialize early LSMs after arch code, static keys and calls. MAINTAINERS: add IPE entry with Fan Wu as maintainer documentation: add IPE documentation ipe: kunit test for parser scripts: add boot policy generation program ipe: enable support for fs-verity as a trust provider fsverity: expose verified fsverity built-in signatures to LSMs lsm: add security_inode_setintegrity() hook ipe: add support for dm-verity as a trust provider dm-verity: expose root hash digest and signature data to LSMs block,lsm: add LSM blob and new LSM hooks for block devices ipe: add permissive toggle ... |
||
|
Linus Torvalds
|
8f72c31f45 |
vfs-6.12.misc
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Merge tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"This contains the usual pile of misc updates:
Features:
- Add F_CREATED_QUERY fcntl() that allows userspace to query whether
a file was actually created. Often userspace wants to know whether
an O_CREATE request did actually create a file without using
O_EXCL. The current logic is that to first attempts to open the
file without O_CREAT | O_EXCL and if ENOENT is returned userspace
tries again with both flags. If that succeeds all is well. If it
now reports EEXIST it retries.
That works fairly well but some corner cases make this more
involved. If this operates on a dangling symlink the first openat()
without O_CREAT | O_EXCL will return ENOENT but the second openat()
with O_CREAT | O_EXCL will fail with EEXIST.
The reason is that openat() without O_CREAT | O_EXCL follows the
symlink while O_CREAT | O_EXCL doesn't for security reasons. So
it's not something we can really change unless we add an explicit
opt-in via O_FOLLOW which seems really ugly.
All available workarounds are really nasty (fanotify, bpf lsm etc)
so add a simple fcntl().
- Try an opportunistic lookup for O_CREAT. Today, when opening a file
we'll typically do a fast lookup, but if O_CREAT is set, the kernel
always takes the exclusive inode lock. This was likely done with
the expectation that O_CREAT means that we always expect to do the
create, but that's often not the case. Many programs set O_CREAT
even in scenarios where the file already exists (see related
F_CREATED_QUERY patch motivation above).
The series contained in the pr rearranges the pathwalk-for-open
code to also attempt a fast_lookup in certain O_CREAT cases. If a
positive dentry is found, the inode_lock can be avoided altogether
and it can stay in rcuwalk mode for the last step_into.
- Expose the 64 bit mount id via name_to_handle_at()
Now that we provide a unique 64-bit mount ID interface in statx(2),
we can now provide a race-free way for name_to_handle_at(2) to
provide a file handle and corresponding mount without needing to
worry about racing with /proc/mountinfo parsing or having to open a
file just to do statx(2).
While this is not necessary if you are using AT_EMPTY_PATH and
don't care about an extra statx(2) call, users that pass full paths
into name_to_handle_at(2) need to know which mount the file handle
comes from (to make sure they don't try to open_by_handle_at a file
handle from a different filesystem) and switching to AT_EMPTY_PATH
would require allocating a file for every name_to_handle_at(2) call
- Add a per dentry expire timeout to autofs
There are two fairly well known automounter map formats, the autofs
format and the amd format (more or less System V and Berkley).
Some time ago Linux autofs added an amd map format parser that
implemented a fair amount of the amd functionality. This was done
within the autofs infrastructure and some functionality wasn't
implemented because it either didn't make sense or required extra
kernel changes. The idea was to restrict changes to be within the
existing autofs functionality as much as possible and leave changes
with a wider scope to be considered later.
One of these changes is implementing the amd options:
1) "unmount", expire this mount according to a timeout (same as
the current autofs default).
2) "nounmount", don't expire this mount (same as setting the
autofs timeout to 0 except only for this specific mount) .
3) "utimeout=<seconds>", expire this mount using the specified
timeout (again same as setting the autofs timeout but only for
this mount)
To implement these options per-dentry expire timeouts need to be
implemented for autofs indirect mounts. This is because all map
keys (mounts) for autofs indirect mounts use an expire timeout
stored in the autofs mount super block info. structure and all
indirect mounts use the same expire timeout.
Fixes:
- Fix missing fput for FSCONFIG_SET_FD in autofs
- Use param->file for FSCONFIG_SET_FD in coda
- Delete the 'fs/netfs' proc subtreee when netfs module exits
- Make sure that struct uid_gid_map fits into a single cacheline
- Don't flush in-flight wb switches for superblocks without cgroup
writeback
- Correcting the idmapping mount example in the idmapping
documentation
- Fix a race between evice_inodes() and find_inode() and iput()
- Refine the show_inode_state() macro definition in writeback code
- Prevent dump_mapping() from accessing invalid dentry.d_name.name
- Show actual source for debugfs in /proc/mounts
- Annotate data-race of busy_poll_usecs in eventpoll
- Don't WARN for racy path_noexec check in exec code
- Handle OOM on mnt_warn_timestamp_expiry()
- Fix some spelling in the iomap design documentation
- Fix typo in procfs comment
- Fix typo in fs/namespace.c comment
Cleanups:
- Add the VFS git tree to the MAINTAINERS file
- Move FMODE_UNSIGNED_OFFSET to fop_flags freeing up another f_mode
bit in struct file bringing us to 5 free f_mode bits
- Remove the __I_DIO_WAKEUP bit from i_state flags as we can simplify
the wait mechanism
- Remove the unused path_put_init() helper
- Replace a __u32 with u32 for s_fsnotify_mask as __u32 is uapi
specific
- Replace the unsigned long i_state member with a u32 i_state member
in struct inode freeing up 4 bytes in struct inode. Instead of
using the bit based wait apis we're now using the var event apis
and using the individual bytes of the i_state member to wait on
state changes
- Explain how per-syscall AT_* flags should be allocated
- Use in_group_or_capable() helper to simplify the posix acl mode
update code
- Switch to LIST_HEAD() in fsync_buffers_list() to simplify the code
- Removed comment about d_rcu_to_refcount() as that function doesn't
exist anymore
- Add kernel documentation for lookup_fast()
- Don't re-zero evenpoll fields
- Remove outdated comment after close_fd()
- Fix imprecise wording in comment about the pipe filesystem
- Drop GFP_NOFAIL mode from alloc_page_buffers
- Missing blank line warnings and struct declaration improved in
file_table
- Annotate struct poll_list with __counted_by()
- Remove the unused read parameter in percpu-rwsem
- Remove linux/prefetch.h include from direct-io code
- Use kmemdup_array instead of kmemdup for multiple allocation in
mnt_idmapping code
- Remove unused mnt_cursor_del() declaration
Performance tweaks:
- Dodge smp_mb in break_lease and break_deleg in the common case
- Only read fops once in fops_{get,put}()
- Use RCU in ilookup()
- Elide smp_mb in iversion handling in the common case
- Drop one lock trip in evict()"
* tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (58 commits)
uidgid: make sure we fit into one cacheline
proc: Fix typo in the comment
fs/pipe: Correct imprecise wording in comment
fhandle: expose u64 mount id to name_to_handle_at(2)
uapi: explain how per-syscall AT_* flags should be allocated
fs: drop GFP_NOFAIL mode from alloc_page_buffers
writeback: Refine the show_inode_state() macro definition
fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name
mnt_idmapping: Use kmemdup_array instead of kmemdup for multiple allocation
netfs: Delete subtree of 'fs/netfs' when netfs module exits
fs: use LIST_HEAD() to simplify code
inode: make i_state a u32
inode: port __I_LRU_ISOLATING to var event
vfs: fix race between evice_inodes() and find_inode()&iput()
inode: port __I_NEW to var event
inode: port __I_SYNC to var event
fs: reorder i_state bits
fs: add i_state helpers
MAINTAINERS: add the VFS git tree
fs: s/__u32/u32/ for s_fsnotify_mask
...
|
||
|
Linus Torvalds
|
64dd3b6a79 |
ARM:
* New Stage-2 page table dumper, reusing the main ptdump infrastructure
* FP8 support
* Nested virtualization now supports the address translation (FEAT_ATS1A)
family of instructions
* Add selftest checks for a bunch of timer emulation corner cases
* Fix multiple cases where KVM/arm64 doesn't correctly handle the guest
trying to use a GICv3 that wasn't advertised
* Remove REG_HIDDEN_USER from the sysreg infrastructure, making
things little simpler
* Prevent MTE tags being restored by userspace if we are actively
logging writes, as that's a recipe for disaster
* Correct the refcount on a page that is not considered for MTE tag
copying (such as a device)
* When walking a page table to split block mappings, synchronize only
at the end the walk rather than on every store
* Fix boundary check when transfering memory using FFA
* Fix pKVM TLB invalidation, only affecting currently out of tree
code but worth addressing for peace of mind
LoongArch:
* Revert qspinlock to test-and-set simple lock on VM.
* Add Loongson Binary Translation extension support.
* Add PMU support for guest.
* Enable paravirt feature control from VMM.
* Implement function kvm_para_has_feature().
RISC-V:
* Fix sbiret init before forwarding to userspace
* Don't zero-out PMU snapshot area before freeing data
* Allow legacy PMU access from guest
* Fix to allow hpmcounter31 from the guest
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Merge tag 'for-linus-non-x86' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"These are the non-x86 changes (mostly ARM, as is usually the case).
The generic and x86 changes will come later"
ARM:
- New Stage-2 page table dumper, reusing the main ptdump
infrastructure
- FP8 support
- Nested virtualization now supports the address translation
(FEAT_ATS1A) family of instructions
- Add selftest checks for a bunch of timer emulation corner cases
- Fix multiple cases where KVM/arm64 doesn't correctly handle the
guest trying to use a GICv3 that wasn't advertised
- Remove REG_HIDDEN_USER from the sysreg infrastructure, making
things little simpler
- Prevent MTE tags being restored by userspace if we are actively
logging writes, as that's a recipe for disaster
- Correct the refcount on a page that is not considered for MTE tag
copying (such as a device)
- When walking a page table to split block mappings, synchronize only
at the end the walk rather than on every store
- Fix boundary check when transfering memory using FFA
- Fix pKVM TLB invalidation, only affecting currently out of tree
code but worth addressing for peace of mind
LoongArch:
- Revert qspinlock to test-and-set simple lock on VM.
- Add Loongson Binary Translation extension support.
- Add PMU support for guest.
- Enable paravirt feature control from VMM.
- Implement function kvm_para_has_feature().
RISC-V:
- Fix sbiret init before forwarding to userspace
- Don't zero-out PMU snapshot area before freeing data
- Allow legacy PMU access from guest
- Fix to allow hpmcounter31 from the guest"
* tag 'for-linus-non-x86' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (64 commits)
LoongArch: KVM: Implement function kvm_para_has_feature()
LoongArch: KVM: Enable paravirt feature control from VMM
LoongArch: KVM: Add PMU support for guest
KVM: arm64: Get rid of REG_HIDDEN_USER visibility qualifier
KVM: arm64: Simplify visibility handling of AArch32 SPSR_*
KVM: arm64: Simplify handling of CNTKCTL_EL12
LoongArch: KVM: Add vm migration support for LBT registers
LoongArch: KVM: Add Binary Translation extension support
LoongArch: KVM: Add VM feature detection function
LoongArch: Revert qspinlock to test-and-set simple lock on VM
KVM: arm64: Register ptdump with debugfs on guest creation
arm64: ptdump: Don't override the level when operating on the stage-2 tables
arm64: ptdump: Use the ptdump description from a local context
arm64: ptdump: Expose the attribute parsing functionality
KVM: arm64: Add memory length checks and remove inline in do_ffa_mem_xfer
KVM: arm64: Move pagetable definitions to common header
KVM: arm64: nv: Add support for FEAT_ATS1A
KVM: arm64: nv: Plumb handling of AT S1* traps from EL2
KVM: arm64: nv: Make AT+PAN instructions aware of FEAT_PAN3
KVM: arm64: nv: Sanitise SCTLR_EL1.EPAN according to VM configuration
...
|
||
|
Linus Torvalds
|
114143a595 |
arm64 updates for 6.12
ACPI:
* Enable PMCG erratum workaround for HiSilicon HIP10 and 11 platforms.
* Ensure arm64-specific IORT header is covered by MAINTAINERS.
CPU Errata:
* Enable workaround for hardware access/dirty issue on Ampere-1A cores.
Memory management:
* Define PHYSMEM_END to fix a crash in the amdgpu driver.
* Avoid tripping over invalid kernel mappings on the kexec() path.
* Userspace support for the Permission Overlay Extension (POE) using
protection keys.
Perf and PMUs:
* Add support for the "fixed instruction counter" extension in the CPU
PMU architecture.
* Extend and fix the event encodings for Apple's M1 CPU PMU.
* Allow LSM hooks to decide on SPE permissions for physical profiling.
* Add support for the CMN S3 and NI-700 PMUs.
Confidential Computing:
* Add support for booting an arm64 kernel as a protected guest under
Android's "Protected KVM" (pKVM) hypervisor.
Selftests:
* Fix vector length issues in the SVE/SME sigreturn tests
* Fix build warning in the ptrace tests.
Timers:
* Add support for PR_{G,S}ET_TSC so that 'rr' can deal with
non-determinism arising from the architected counter.
Miscellaneous:
* Rework our IPI-based CPU stopping code to try NMIs if regular IPIs
don't succeed.
* Minor fixes and cleanups.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"The highlights are support for Arm's "Permission Overlay Extension"
using memory protection keys, support for running as a protected guest
on Android as well as perf support for a bunch of new interconnect
PMUs.
Summary:
ACPI:
- Enable PMCG erratum workaround for HiSilicon HIP10 and 11
platforms.
- Ensure arm64-specific IORT header is covered by MAINTAINERS.
CPU Errata:
- Enable workaround for hardware access/dirty issue on Ampere-1A
cores.
Memory management:
- Define PHYSMEM_END to fix a crash in the amdgpu driver.
- Avoid tripping over invalid kernel mappings on the kexec() path.
- Userspace support for the Permission Overlay Extension (POE) using
protection keys.
Perf and PMUs:
- Add support for the "fixed instruction counter" extension in the
CPU PMU architecture.
- Extend and fix the event encodings for Apple's M1 CPU PMU.
- Allow LSM hooks to decide on SPE permissions for physical
profiling.
- Add support for the CMN S3 and NI-700 PMUs.
Confidential Computing:
- Add support for booting an arm64 kernel as a protected guest under
Android's "Protected KVM" (pKVM) hypervisor.
Selftests:
- Fix vector length issues in the SVE/SME sigreturn tests
- Fix build warning in the ptrace tests.
Timers:
- Add support for PR_{G,S}ET_TSC so that 'rr' can deal with
non-determinism arising from the architected counter.
Miscellaneous:
- Rework our IPI-based CPU stopping code to try NMIs if regular IPIs
don't succeed.
- Minor fixes and cleanups"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (94 commits)
perf: arm-ni: Fix an NULL vs IS_ERR() bug
arm64: hibernate: Fix warning for cast from restricted gfp_t
arm64: esr: Define ESR_ELx_EC_* constants as UL
arm64: pkeys: remove redundant WARN
perf: arm_pmuv3: Use BR_RETIRED for HW branch event if enabled
MAINTAINERS: List Arm interconnect PMUs as supported
perf: Add driver for Arm NI-700 interconnect PMU
dt-bindings/perf: Add Arm NI-700 PMU
perf/arm-cmn: Improve format attr printing
perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check
arm64/mm: use lm_alias() with addresses passed to memblock_free()
mm: arm64: document why pte is not advanced in contpte_ptep_set_access_flags()
arm64: Expose the end of the linear map in PHYSMEM_END
arm64: trans_pgd: mark PTEs entries as valid to avoid dead kexec()
arm64/mm: Delete __init region from memblock.reserved
perf/arm-cmn: Support CMN S3
dt-bindings: perf: arm-cmn: Add CMN S3
perf/arm-cmn: Refactor DTC PMU register access
perf/arm-cmn: Make cycle counts less surprising
perf/arm-cmn: Improve build-time assertion
...
|
||
|
Linus Torvalds
|
963d0d60d6 |
- Add CONFIG_ option for every hw CPU mitigation. The intent is to support
configurations and scenarios where the mitigations code is irrelevant - Other small fixlets and improvements -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmbfDhUACgkQEsHwGGHe VUrF9A//UkVKmIihXXak0GPqFhu8XrWeYlmwLxWe/uIy2hZCLp9L7n4pg0Ikxqz3 9D9hYk+Jykfu/jsv0sR6LH6OAUTlJi+P0w3x3VeL1sgFPUkwFtOaN2v/t5H3SW5r l+VQpdUXPmLH6QbhvT84U6L/OQYr2cjhiYro47uwM9vO/SNao4HcbC/pdBr2dwxM KzzA9sEDg3Le391phIhEOIogA1lPNV7KMScg2VjPTqQzEJ3NQVzyYmqjPO70sN9F sAuksdF+rnPjc9K/W+qUcvlp8e9lDB8g0oPlyoOeubjXsnZU5YchriPdBbyAl0dJ bjpftXIrBj8Vtmh7Tc0Jx2tlMFXNT5FrzcqdD4sviLnhrKEJSkwAoFgIMp5A+tN8 Kl8MrlABO8I8+zGRQB7TzhwaCC4AxCqUS3UEcYd4CBf5AWqT5i12ijbtIxPtdpG4 5itngIV4HT8casudpC8i8OTjOTggorMa7Pu/bQULhnZwagH8chlBdoOlKKQVkeVG FUi+L/BljL9mASic7NRZI11tk44m9xWWkbbJOPlZaGJw9YzGrxD0YOfhbgcc9iaX SOUMVJEhJVJMBISGiBUQDB6r51ee6B8RKJ3ByxzpAbwsUR9cXyfSYfUyE5reQJy9 3luj/iorL3guYU6EGEAtvbuTLGbKqybrV6zOB/QRXHWyhtUgrUA= =GFld -----END PGP SIGNATURE----- Merge tag 'x86_bugs_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 hw mitigation updates from Borislav Petkov: - Add CONFIG_ option for every hw CPU mitigation. The intent is to support configurations and scenarios where the mitigations code is irrelevant - Other small fixlets and improvements * tag 'x86_bugs_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bugs: Fix handling when SRSO mitigation is disabled x86/bugs: Add missing NO_SSB flag Documentation/srso: Document a method for checking safe RET operates properly x86/bugs: Add a separate config for GDS x86/bugs: Remove GDS Force Kconfig option x86/bugs: Add a separate config for SSB x86/bugs: Add a separate config for Spectre V2 x86/bugs: Add a separate config for SRBDS x86/bugs: Add a separate config for Spectre v1 x86/bugs: Add a separate config for RETBLEED x86/bugs: Add a separate config for L1TF x86/bugs: Add a separate config for MMIO Stable Data x86/bugs: Add a separate config for TAA x86/bugs: Add a separate config for MDS |
||
|
Paolo Bonzini
|
1a371190a3 |
Merge tag 'loongarch-kvm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.12 1. Revert qspinlock to test-and-set simple lock on VM. 2. Add Loongson Binary Translation extension support. 3. Add PMU support for guest. 4. Enable paravirt feature control from VMM. 5. Implement function kvm_para_has_feature(). |
||
|
Ido Schimmel
|
2bf1259a6e |
selftests: fib_rule_tests: Add DSCP selector connect tests
Test that locally generated traffic from a socket that specifies a DS Field using the IP_TOS / IPV6_TCLASS socket options is correctly redirected using a FIB rule that matches on DSCP. Add negative tests to verify that the rule is not it when it should not. Test with both IPv4 and IPv6 and with both TCP and UDP sockets. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-7-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Ido Schimmel
|
ac6ad3f3b5 |
selftests: fib_rule_tests: Add DSCP selector match tests
Add tests for the new FIB rule DSCP selector. Test with both IPv4 and IPv6 and with both input and output routes. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-6-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
3b7dc7000e |
bpf-next-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZuH9UQAKCRDbK58LschI g0/zAP99WOcCBp1M/jSTUOba230+eiol7l5RirDEA6wu7TqY2QEAuvMG0KfCCpTI I0WqStrK1QMbhwKPodJC1k+17jArKgw= =jfMU -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== pull-request: bpf-next 2024-09-11 We've added 12 non-merge commits during the last 16 day(s) which contain a total of 20 files changed, 228 insertions(+), 30 deletions(-). There's a minor merge conflict in drivers/net/netkit.c: |
||
|
Willem de Bruijn
|
e874be276e |
selftests/net: packetdrill: import tcp/slow_start
Same import process as previous tests.
Also add CONFIG_NET_SCH_FQ to config, as one test uses that.
Same test process as previous tests. Both with and without debug mode.
Recording the steps once:
make mrproper
vng --build \
--config tools/testing/selftests/net/packetdrill/config \
--config kernel/configs/debug.config
vng -v --run . --user root --cpus 4 -- \
make -C tools/testing/selftests TARGETS=net/packetdrill run_tests
Link: https://github.com/linux-netdev/nipa/wiki/How-to-run-netdev-selftests-CI-style#how-to-build
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240912005317.1253001-4-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Willem de Bruijn
|
1e42f73fd3 |
selftests/net: packetdrill: import tcp/zerocopy
Same as initial tests, import verbatim from github.com/google/packetdrill, aside from: - update `source ./defaults.sh` path to adjust for flat dir - add SPDX headers - remove author statements if any - drop blank lines at EOF (new) Also import set_sysctls.py, which many scripts depend on to set sysctls and then restore them later. This is no longer strictly needed for namespacified sysctl. But not all sysctls are namespacified, and doesn't hurt if they are. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240912005317.1253001-3-willemdebruijn.kernel@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Willem de Bruijn
|
cded7e0479 |
selftests/net: packetdrill: run in netns and expand config
Run packetdrill tests inside netns. They may change system settings, such as sysctl. Also expand config with a few more needed CONFIGs. Link: https://lore.kernel.org/netdev/20240910152640.429920be@kernel.org/ Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240912005317.1253001-2-willemdebruijn.kernel@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
46ae4d0a48 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts (sort of) and no adjacent changes. This merge reverts commit |
||
|
Linus Torvalds
|
5abfdfd402 |
There is a recently notified BT regression with no fix yet. I
*think* such fix will not land in the next week.
Including fixes from netfilter.
Current release - regressions:
- core: tighten bad gso csum offset check in virtio_net_hdr
- netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
- eth: ice: stop calling pci_disable_device() as we use pcim
- eth: fou: fix null-ptr-deref in GRO.
Current release - new code bugs:
- hsr: prevent NULL pointer dereference in hsr_proxy_announce()
Previous releases - regressions:
- hsr: remove seqnr_lock
- netfilter: nft_socket: fix sk refcount leaks
- mptcp: pm: fix uaf in __timer_delete_sync
- phy: dp83822: fix NULL pointer dereference on DP83825 devices
- eth: revert "virtio_net: rx enable premapped mode by default"
- eth: octeontx2-af: Modify SMQ flush sequence to drop packets
Previous releases - always broken:
- eth: mlx5: fix bridge mode operations when there are no VFs
- eth: igb: Always call igb_xdp_ring_update_tail() under Tx lock
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
There is a recently notified BT regression with no fix yet. I do not
think a fix will land in the next week.
Current release - regressions:
- core: tighten bad gso csum offset check in virtio_net_hdr
- netfilter: move nf flowtable bpf initialization in
nf_flow_table_module_init()
- eth: ice: stop calling pci_disable_device() as we use pcim
- eth: fou: fix null-ptr-deref in GRO.
Current release - new code bugs:
- hsr: prevent NULL pointer dereference in hsr_proxy_announce()
Previous releases - regressions:
- hsr: remove seqnr_lock
- netfilter: nft_socket: fix sk refcount leaks
- mptcp: pm: fix uaf in __timer_delete_sync
- phy: dp83822: fix NULL pointer dereference on DP83825 devices
- eth: revert "virtio_net: rx enable premapped mode by default"
- eth: octeontx2-af: Modify SMQ flush sequence to drop packets
Previous releases - always broken:
- eth: mlx5: fix bridge mode operations when there are no VFs
- eth: igb: Always call igb_xdp_ring_update_tail() under Tx lock"
* tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (36 commits)
net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
net: tighten bad gso csum offset check in virtio_net_hdr
netlink: specs: mptcp: fix port endianness
net: dpaa: Pad packets to ETH_ZLEN
mptcp: pm: Fix uaf in __timer_delete_sync
net: libwx: fix number of Rx and Tx descriptors
net: dsa: felix: ignore pending status of TAS module when it's disabled
net: hsr: prevent NULL pointer dereference in hsr_proxy_announce()
selftests: mptcp: include net_helper.sh file
selftests: mptcp: include lib.sh file
selftests: mptcp: join: restrict fullmesh endp on 1st sf
netfilter: nft_socket: make cgroupsv2 matching work with namespaces
netfilter: nft_socket: fix sk refcount leaks
MAINTAINERS: Add ethtool pse-pd to PSE NETWORK DRIVER
dt-bindings: net: tja11xx: fix the broken binding
selftests: net: csum: Fix checksums for packets with non-zero padding
net: phy: dp83822: Fix NULL pointer dereference on DP83825 devices
virtio_net: disable premapped mode by default
Revert "virtio_net: big mode skip the unmap check"
Revert "virtio_net: rx remove premapped failover code"
...
|
||
|
Will Deacon
|
2ef52ca02c |
Merge branch 'for-next/selftests' into for-next/core
* for-next/selftests: kselftest/arm64: Fix build warnings for ptrace kselftest/arm64: Actually test SME vector length changes via sigreturn kselftest/arm64: signal: fix/refactor SVE vector length enumeration |
||
|
Marc Zyngier
|
f77e63e274 |
Merge branch kvm-arm64/selftests-6.12 into kvmarm-master/next
* kvm-arm64/selftests-6.12: : . : KVM/arm64 selftest updates for 6.12 : : - Check for a bunch of timer emulation corner cases (COlton Lewis) : . KVM: arm64: selftests: Add arch_timer_edge_cases selftest KVM: arm64: selftests: Ensure pending interrupts are handled in arch_timer test Signed-off-by: Marc Zyngier <maz@kernel.org> |
||
|
Mina Almasry
|
85585b4bc8 |
selftests: add ncdevmem, netcat for devmem TCP
ncdevmem is a devmem TCP netcat. It works similarly to netcat, but it sends and receives data using the devmem TCP APIs. It uses udmabuf as the dmabuf provider. It is compatible with a regular netcat running on a peer, or a ncdevmem running on a peer. In addition to normal netcat support, ncdevmem has a validation mode, where it sends a specific pattern and validates this pattern on the receiver side to ensure data integrity. Suggested-by: Stanislav Fomichev <sdf@fomichev.me> Signed-off-by: Mina Almasry <almasrymina@google.com> Link: https://patch.msgid.link/20240910171458.219195-13-almasrymina@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Matthieu Baerts (NGI0)
|
c66c08e51b |
selftests: mptcp: include net_helper.sh file
Similar to the previous commit, the net_helper.sh file from the parent
directory is used by the MPTCP selftests and it needs to be present when
running the tests.
This file then needs to be listed in the Makefile to be included when
exporting or installing the tests, e.g. with:
make -C tools/testing/selftests \
TARGETS=net/mptcp \
install INSTALL_PATH=$KSFT_INSTALL_PATH
cd $KSFT_INSTALL_PATH
./run_kselftest.sh -c net/mptcp
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
1a5a2d19e8 |
selftests: mptcp: include lib.sh file
The lib.sh file from the parent directory is used by the MPTCP selftests
and it needs to be present when running the tests.
This file then needs to be listed in the Makefile to be included when
exporting or installing the tests, e.g. with:
make -C tools/testing/selftests \
TARGETS=net/mptcp \
install INSTALL_PATH=$KSFT_INSTALL_PATH
cd $KSFT_INSTALL_PATH
./run_kselftest.sh -c net/mptcp
Fixes:
|
||
|
Matthieu Baerts (NGI0)
|
49ac6f05ac |
selftests: mptcp: join: restrict fullmesh endp on 1st sf
A new endpoint using the IP of the initial subflow has been recently added to increase the code coverage. But it breaks the test when using old kernels not having commit |
||
|
Philo Lu
|
83dff60171 |
selftests/bpf: Expand skb dynptr selftests for tp_btf
Add 3 test cases for skb dynptr used in tp_btf: - test_dynptr_skb_tp_btf: use skb dynptr in tp_btf and make sure it is read-only. - skb_invalid_ctx_fentry/skb_invalid_ctx_fexit: bpf_dynptr_from_skb should fail in fentry/fexit. In test_dynptr_skb_tp_btf, to trigger the tracepoint in kfree_skb, test_pkt_access is used for its test_run, as in kfree_skb.c. Because the test process is different from others, a new setup type is defined, i.e., SETUP_SKB_PROG_TP. The result is like: $ ./test_progs -t 'dynptr/test_dynptr_skb_tp_btf' #84/14 dynptr/test_dynptr_skb_tp_btf:OK #84 dynptr:OK #127 kfunc_dynptr_param:OK Summary: 2/1 PASSED, 0 SKIPPED, 0 FAILED $ ./test_progs -t 'dynptr/skb_invalid_ctx_f' #84/85 dynptr/skb_invalid_ctx_fentry:OK #84/86 dynptr/skb_invalid_ctx_fexit:OK #84 dynptr:OK #127 kfunc_dynptr_param:OK Summary: 2/2 PASSED, 0 SKIPPED, 0 FAILED Also fix two coding style nits (change spaces to tabs). Signed-off-by: Philo Lu <lulie@linux.alibaba.com> Link: https://lore.kernel.org/r/20240911033719.91468-6-lulie@linux.alibaba.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
||
|
Philo Lu
|
2060f07f86 |
selftests/bpf: Add test for __nullable suffix in tp_btf
Add a tracepoint with __nullable suffix in bpf_testmod, and add cases for it: $ ./test_progs -t "tp_btf_nullable" #406/1 tp_btf_nullable/handle_tp_btf_nullable_bare1:OK #406/2 tp_btf_nullable/handle_tp_btf_nullable_bare2:OK #406 tp_btf_nullable:OK Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Philo Lu <lulie@linux.alibaba.com> Link: https://lore.kernel.org/r/20240911033719.91468-3-lulie@linux.alibaba.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
||
|
zhang jiao
|
a0474b8d59 |
selftests: kselftest: Use strerror() on nolibc
Nolibc gained an implementation of strerror() recently. Use it and drop the ifndef. Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com> Acked-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
|
Maciej Fijalkowski
|
d41905b3bb |
selftests/xsk: Read current MAX_SKB_FRAGS from sysctl knob
Currently, xskxceiver assumes that MAX_SKB_FRAGS value is always 17 which is not true - since the introduction of BIG TCP this can now take any value between 17 to 45 via CONFIG_MAX_SKB_FRAGS. Adjust the TOO_MANY_FRAGS test case to read the currently configured MAX_SKB_FRAGS value by reading it from /proc/sys/net/core/max_skb_frags. If running system does not provide that sysctl file then let us try running the test with a default value. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Magnus Karlsson <magnus.karlsson@intel.com> Link: https://lore.kernel.org/bpf/20240910124129.289874-1-maciej.fijalkowski@intel.com |
||
|
Jakub Kicinski
|
ea403549da |
ipsec-next-2024-09-10
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEH7ZpcWbFyOOp6OJbrB3Eaf9PW7cFAmbf6xAACgkQrB3Eaf9P W7eZQA/9HuHTWBg0V43QDT1rjNnKult+uBKYpKrh045outqMs+cU8bsww5ZuIAKx ktN66OCE67d7XeFttb9UAJUPqQ98RjwjVUOpjRJ5iRDtj2bmn/5VGSYuH7zx5so0 msFs5gkomo2ZZNjcMOSrDVGUoCdlHh1og5L2KN/FgztSA1smDdUBQOWNm1peezbI eJFt2Q6KCNfzwPthmQte0dmDnK5gWPducereSx03tMuSyUmPML1zrzOFXBXSg09e dAlDTxbAXZDrXS4Ii0y/FEM2Ugkjg9FXbE1kvM0i05GIc/SGnEBGEcdW5YbmRhOL 4JlLnpiLTmKTaIZ0GdpADv7XZMga6R01AalSPsJz+H7aNAHTKkK+SzQY4YXRucZy SsASM39oRLzo9Bm4ZZ773Nw83cxBgO/ZixK4KVvCZI/1ftD+9zn72eqk+CeveSeE ChaXGuWpRdfAOsgozFJNFx/ffK5qzxFKkIeN9KN0QYV/XJuZJ7nD6eQkH9ydgvTI 4cexY+cs4wgfdi9dDkVHPVhCR7mRlfi5r/VL8rtWWnWzR07okKF4rW6dgvx33m60 9MmF1/EdD2uh3CLcBMjNg6qXdC07VeDpFLqWs+utJvSHMuI43uE4FkRQui/J6T9N RX7zzkFBsPvPpm5GHLx2u/wvnzX1co1Rk9xzbC+J6FEPlm2/0vI= =ErGl -----END PGP SIGNATURE----- Merge tag 'ipsec-next-2024-09-10' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2024-09-10 1) Remove an unneeded WARN_ON on packet offload. From Patrisious Haddad. 2) Add a copy from skb_seq_state to buffer function. This is needed for the upcomming IPTFS patchset. From Christian Hopps. 3) Spelling fix in xfrm.h. From Simon Horman. 4) Speed up xfrm policy insertions. From Florian Westphal. 5) Add and revert a patch to support xfrm interfaces for packet offload. This patch was just half cooked. 6) Extend usage of the new xfrm_policy_is_dead_or_sk helper. From Florian Westphal. 7) Update comments on sdb and xfrm_policy. From Florian Westphal. 8) Fix a null pointer dereference in the new policy insertion code From Florian Westphal. 9) Fix an uninitialized variable in the new policy insertion code. From Nathan Chancellor. * tag 'ipsec-next-2024-09-10' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next: xfrm: policy: Restore dir assignments in xfrm_hash_rebuild() xfrm: policy: fix null dereference Revert "xfrm: add SA information to the offloaded packet" xfrm: minor update to sdb and xfrm_policy comments xfrm: policy: use recently added helper in more places xfrm: add SA information to the offloaded packet xfrm: policy: remove remaining use of inexact list xfrm: switch migrate to xfrm_policy_lookup_bytype xfrm: policy: don't iterate inexact policies twice at insert time selftests: add xfrm policy insertion speed test script xfrm: Correct spelling in xfrm.h net: add copy from skb_seq_state to buffer function xfrm: Remove documentation WARN_ON to limit return values for offloaded SA ==================== Link: https://patch.msgid.link/20240910065507.2436394-1-steffen.klassert@secunet.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jason Xing
|
fffe8efd68 |
net-timestamp: add selftests for SOF_TIMESTAMPING_OPT_RX_FILTER
Test a few possible cases where we use SOF_TIMESTAMPING_OPT_RX_FILTER with software or hardware report/generation flag. Signed-off-by: Jason Xing <kernelxing@tencent.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20240909015612.3856-3-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Sean Anderson
|
e8a63d473b |
selftests: net: csum: Fix checksums for packets with non-zero padding
Padding is not included in UDP and TCP checksums. Therefore, reduce the
length of the checksummed data to include only the data in the IP
payload. This fixes spurious reported checksum failures like
rx: pkt: sport=33000 len=26 csum=0xc850 verify=0xf9fe
pkt: bad csum
Technically it is possible for there to be trailing bytes after the UDP
data but before the Ethernet padding (e.g. if sizeof(ip) + sizeof(udp) +
udp.len < ip.len). However, we don't generate such packets.
Fixes:
|
||
|
Thomas Gleixner
|
2f7eedca6c |
Merge branch 'linus' into timers/core
To update with the latest fixes. |
||
|
Willem de Bruijn
|
8a405552fd |
selftests/net: integrate packetdrill with ksft
Lay the groundwork to import into kselftests the over 150 packetdrill
TCP/IP conformance tests on github.com/google/packetdrill.
Florian recently added support for packetdrill tests in nf_conntrack,
in commit
|
||
|
Willem de Bruijn
|
dbd61921a6 |
selftests: support interpreted scripts with ksft_runner.sh
Support testcases that are themselves not executable, but need an
interpreter to run them.
If a test file is not executable, but an executable file
ksft_runner.sh exists in the TARGET dir, kselftest will run
./ksft_runner.sh ./$BASENAME_TEST
Packetdrill may add hundreds of packetdrill scripts for testing. These
scripts must be passed to the packetdrill process.
Have kselftest run each test directly, as it already solves common
runner requirements like parallel execution and isolation (netns).
A previous RFC added a wrapper in between, which would have to
reimplement such functionality.
Link: https://lore.kernel.org/netdev/66d4d97a4cac_3df182941a@willemb.c.googlers.com.notmuch/T/
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240905231653.2427327-2-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Kuniyuki Iwashima
|
5aa57d9f2d |
af_unix: Don't return OOB skb in manage_oob().
syzbot reported use-after-free in unix_stream_recv_urg(). [0]
The scenario is
1. send(MSG_OOB)
2. recv(MSG_OOB)
-> The consumed OOB remains in recv queue
3. send(MSG_OOB)
4. recv()
-> manage_oob() returns the next skb of the consumed OOB
-> This is also OOB, but unix_sk(sk)->oob_skb is not cleared
5. recv(MSG_OOB)
-> unix_sk(sk)->oob_skb is used but already freed
The recent commit
|
||
|
Matthieu Baerts (NGI0)
|
a92d1db0c9 |
selftests: mptcp: connect: remove duplicated spaces in TAP output
It is nice to have a visual alignment in the test output to present the different results, but it makes less sense in the TAP output that is there for computers. It sounds then better to remove the duplicated whitespaces in the TAP output, also because it can cause some issues with TAP parsers expecting only one space around the directive delimiter (#). While at it, change the variable name (result_msg) to something more explicit. Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240906-net-next-mptcp-ksft-subtest-time-v2-5-31d5ee4f3bdf@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Matthieu Baerts (NGI0)
|
a5b6be42aa |
selftests: mptcp: diag: remove trailing whitespace
It doesn't need to be there, and it can cause some issues with TAP parsers expecting only one space around the directive delimiter (#). Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240906-net-next-mptcp-ksft-subtest-time-v2-4-31d5ee4f3bdf@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Matthieu Baerts (NGI0)
|
d4e192728e |
selftests: mptcp: reset the last TS before the first test
Just to slightly improve the precision of the duration of the first test. In mptcp_join.sh, the last append_prev_results is now done as soon as the last test is over: this will add the last result in the list, and get a more precise time for this last test. Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240906-net-next-mptcp-ksft-subtest-time-v2-3-31d5ee4f3bdf@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Matthieu Baerts (NGI0)
|
1a38cee4bb |
selftests: mptcp: connect: remote time in TAP output
It is now added by the MPTCP lib automatically, see the parent commit. The time in the TAP output might be slightly different from the one displayed before, but that's OK. Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240906-net-next-mptcp-ksft-subtest-time-v2-2-31d5ee4f3bdf@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Matthieu Baerts (NGI0)
|
f58817c852 |
selftests: mptcp: lib: add time per subtests in TAP output
It adds 'time=<N>ms' in the diagnostic data of the TAP output, e.g. ok 1 - pm_netlink: defaults addr list # time=9ms This addition is useful to quickly identify which subtests are taking a longer time than the others, or more than expected. Note that there are no specific formats to follow to show this time according to the TAP 13 [1], TAP 14 [2] and KTAP [3] specifications. Let's then define this one here. Link: https://testanything.org/tap-version-13-specification.html [1] Link: https://testanything.org/tap-version-14-specification.html [2] Link: https://docs.kernel.org/dev-tools/ktap.html [3] Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240906-net-next-mptcp-ksft-subtest-time-v2-1-31d5ee4f3bdf@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jason Xing
|
a7e387375f |
selftests: return failure when timestamps can't be reported
When I was trying to modify the tx timestamping feature, I found that
running "./txtimestamp -4 -C -L 127.0.0.1" didn't reflect the error:
I succeeded to generate timestamp stored in the skb but later failed
to report it to the userspace (which means failed to put css into cmsg).
It can happen when someone writes buggy codes in __sock_recv_timestamp(),
for example.
After adding the check so that running ./txtimestamp will reflect the
result correctly like this if there is a bug in the reporting phase:
protocol: TCP
payload: 10
server port: 9000
family: INET
test SND
USR: 1725458477 s 667997 us (seq=0, len=0)
Failed to report timestamps
USR: 1725458477 s 718128 us (seq=0, len=0)
Failed to report timestamps
USR: 1725458477 s 768273 us (seq=0, len=0)
Failed to report timestamps
USR: 1725458477 s 818416 us (seq=0, len=0)
Failed to report timestamps
...
In the future, it will help us detect whether the new coming patch has
bugs or not.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240905160035.62407-1-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Linus Torvalds
|
890daedec4 |
RISC-V Fixes for 6.11-rc7
* A revert for the mmap() change that ties the allocation range to the hint adress, as what we tried to do ended up regressing on other userspace workloads. * A fix to avoid a kernel memory leak when emulating misaligned accesses from userspace. * A Kconfig fix for toolchain vector detection, which now correctly detects vector support on toolchains where the V extension depends on the M extension. * A fix to avoid failing the linear mapping bootmem bounds check on NOMMU systems. * A fix for early alternatives on relocatable kernels. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmbbD44THHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiRR/EACqW46mbTmGrbDzbk2YcKbkc05djuB2 +yorDaO6d188xmHM74zEvt1+X+Mxj18pMm+V02L+27JA7asv+JugXQVwfxtZ769w /XMKGrJTUCMSvFpsbhszbse3vXjc1F9uQ5wNa9o44MHAc2twSkJHtdhZJwkJJ9ru Od0m99VXWB1gbA1hvCpQBs2uMSzLoU5X2//AaAzVFK1pyskZ7HPqFX16eFcT0gpA GDNYIKLPVF1pcwS2gkQM7LAwveCsxuEdnLufJs5Coz9BZ/kQJPd3sK/z8Z58ghy2 Db6XXtcYJs64Ndjv1MSowb4rIii/BN2vlMCCT95xHH+tuJR6flXuIZQPpI971V/A XOCglNQQkmzjJuFKn1/9ZJcVZGITOqDX37iMPW/3bQ/OFG0emBeGqYXKMmScI6f1 TtqiByz2VXNEJBNkQVA37Cj42DVmRg3MCjwy0ACLbqBpMeSbGK7MRNUk258wOp4V ucmhf50D3a0w8y/3miaAH1Pk+tZz/rtVFkdbibDW3M91cOfdNoAYKhSJPEEnhaGm pVTvW+usKDdim3nqqTrlZTfFTNF7wFkvoDc11lStgYFK8VoZWuyoBcf1LQ2+ghv9 qP/A5LRnWU4nXCxZG6dKRoZ/VvoGtsKdI6Iatnak4cAbsvXI+7foelgLgWY6aFzk /ZUtSmWDz1E21Q== =xYax -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - A revert for the mmap() change that ties the allocation range to the hint adress, as what we tried to do ended up regressing on other userspace workloads. - A fix to avoid a kernel memory leak when emulating misaligned accesses from userspace. - A Kconfig fix for toolchain vector detection, which now correctly detects vector support on toolchains where the V extension depends on the M extension. - A fix to avoid failing the linear mapping bootmem bounds check on NOMMU systems. - A fix for early alternatives on relocatable kernels. * tag 'riscv-for-linus-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Fix RISCV_ALTERNATIVE_EARLY riscv: Do not restrict memory size because of linear mapping on nommu riscv: Fix toolchain vector detection riscv: misaligned: Restrict user access to kernel memory riscv: mm: Do not restrict mmap address based on hint riscv: selftests: Remove mmap hint address checks Revert "RISC-V: mm: Document mmap changes" |
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zhang jiao
|
af1ec38c6c |
selftests/timers: Remove unused NSEC_PER_SEC macro
By reading the code, I found the macro NSEC_PER_SEC is never referenced in the code. Just remove it. Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org> Acked-by: John Stultz <jstultz@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
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Shuah Khan
|
7beaf1da07 |
selftests:resctrl: Fix build failure on archs without __cpuid_count()
When resctrl is built on architectures without __cpuid_count()
support, build fails. resctrl uses __cpuid_count() defined in
kselftest.h.
Even though the problem is seen while building resctrl on aarch64,
this error can be seen on any platform that doesn't support CPUID.
CPUID is a x86/x86-64 feature and code paths with CPUID asm commands
will fail to build on all other architectures.
All others tests call __cpuid_count() do so from x86/x86_64 code paths
when _i386__ or __x86_64__ are defined. resctrl is an exception.
Fix the problem by defining __cpuid_count() only when __i386__ or
__x86_64__ are defined in kselftest.h and changing resctrl to call
__cpuid_count() only when __i386__ or __x86_64__ are defined.
In file included from resctrl.h:24,
from cat_test.c:11:
In function ‘arch_supports_noncont_cat’,
inlined from ‘noncont_cat_run_test’ at cat_test.c:326:6:
../kselftest.h:74:9: error: impossible constraint in ‘asm’
74 | __asm__ __volatile__ ("cpuid\n\t" \
| ^~~~~~~
cat_test.c:304:17: note: in expansion of macro ‘__cpuid_count’
304 | __cpuid_count(0x10, 1, eax, ebx, ecx, edx);
| ^~~~~~~~~~~~~
../kselftest.h:74:9: error: impossible constraint in ‘asm’
74 | __asm__ __volatile__ ("cpuid\n\t" \
| ^~~~~~~
cat_test.c:306:17: note: in expansion of macro ‘__cpuid_count’
306 | __cpuid_count(0x10, 2, eax, ebx, ecx, edx);
Fixes:
|
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Jakub Kicinski
|
502cc061de |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/phy/phy_device.c |
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Linus Torvalds
|
b831f83e40 |
bpf-6.11-rc7
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|
Linus Torvalds
|
d759ee240d |
Including fixes from can, bluetooth and wireless.
No known regressions at this point. Another calm week, but chances are
that has more to do with vacation season than the quality of our work.
Current release - new code bugs:
- smc: prevent NULL pointer dereference in txopt_get
- eth: ti: am65-cpsw: number of XDP-related fixes
Previous releases - regressions:
- Revert "Bluetooth: MGMT/SMP: Fix address type when using SMP over
BREDR/LE", it breaks existing user space
- Bluetooth: qca: if memdump doesn't work, re-enable IBS to avoid
later problems with suspend
- can: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open
- eth: r8152: fix the firmware communication error due to use
of bulk write
- ptp: ocp: fix serial port information export
- eth: igb: fix not clearing TimeSync interrupts for 82580
- Revert "wifi: ath11k: support hibernation", fix suspend on Lenovo
Previous releases - always broken:
- eth: intel: fix crashes and bugs when reconfiguration and resets
happening in parallel
- wifi: ath11k: fix NULL dereference in ath11k_mac_get_eirp_power()
Misc:
- docs: netdev: document guidance on cleanup.h
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from can, bluetooth and wireless.
No known regressions at this point. Another calm week, but chances are
that has more to do with vacation season than the quality of our work.
Current release - new code bugs:
- smc: prevent NULL pointer dereference in txopt_get
- eth: ti: am65-cpsw: number of XDP-related fixes
Previous releases - regressions:
- Revert "Bluetooth: MGMT/SMP: Fix address type when using SMP over
BREDR/LE", it breaks existing user space
- Bluetooth: qca: if memdump doesn't work, re-enable IBS to avoid
later problems with suspend
- can: mcp251x: fix deadlock if an interrupt occurs during
mcp251x_open
- eth: r8152: fix the firmware communication error due to use of bulk
write
- ptp: ocp: fix serial port information export
- eth: igb: fix not clearing TimeSync interrupts for 82580
- Revert "wifi: ath11k: support hibernation", fix suspend on Lenovo
Previous releases - always broken:
- eth: intel: fix crashes and bugs when reconfiguration and resets
happening in parallel
- wifi: ath11k: fix NULL dereference in ath11k_mac_get_eirp_power()
Misc:
- docs: netdev: document guidance on cleanup.h"
* tag 'net-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
ila: call nf_unregister_net_hooks() sooner
tools/net/ynl: fix cli.py --subscribe feature
MAINTAINERS: fix ptp ocp driver maintainers address
selftests: net: enable bind tests
net: dsa: vsc73xx: fix possible subblocks range of CAPT block
sched: sch_cake: fix bulk flow accounting logic for host fairness
docs: netdev: document guidance on cleanup.h
net: xilinx: axienet: Fix race in axienet_stop
net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN
r8152: fix the firmware doesn't work
fou: Fix null-ptr-deref in GRO.
bareudp: Fix device stats updates.
net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup
bpf, net: Fix a potential race in do_sock_getsockopt()
net: dqs: Do not use extern for unused dql_group
sch/netem: fix use after free in netem_dequeue
usbnet: modern method to get random MAC
MAINTAINERS: wifi: cw1200: add net-cw1200.h
ice: do not bring the VSI up, if it was down before the XDP setup
ice: remove ICE_CFG_BUSY locking from AF_XDP code
...
|
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|
Jamie Bainbridge
|
e4af74a53b |
selftests: net: enable bind tests
bind_wildcard is compiled but not run, bind_timewait is not compiled. These two tests complete in a very short time, use the test harness properly, and seem reasonable to enable. The author of the tests confirmed via email that these were intended to be run. Enable these two tests. Fixes: |
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Chen Ni
|
6ffa72acc9 |
selftests: net: convert comma to semicolon
Replace comma between expressions with semicolons. Using a ',' in place of a ';' can have unintended side effects. Although that is not the case here, it is seems best to use ';' unless ',' is intended. Found by inspection. No functional change intended. Compile tested only. Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20240904014441.1065753-1-nichen@iscas.ac.cn Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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|
Masami Hiramatsu (Google)
|
f0a6ecebd8 |
selftests/ftrace: Fix eventfs ownership testcase to find mount point
Fix eventfs ownership testcase to find mount point if stat -c "%m" failed.
This can happen on the system based on busybox. In this case, this will
try to use the current working directory, which should be a tracefs top
directory (and eventfs is mounted as a part of tracefs.)
If it does not work, the test is skipped as UNRESOLVED because of
the environmental problem.
Fixes:
|