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ae67b9fb8c
1307222 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Dimitar Kanaliev
|
ae67b9fb8c |
bpf: Fix truncation bug in coerce_reg_to_size_sx()
coerce_reg_to_size_sx() updates the register state after a sign-extension
operation. However, there's a bug in the assignment order of the unsigned
min/max values, leading to incorrect truncation:
0: (85) call bpf_get_prandom_u32#7 ; R0_w=scalar()
1: (57) r0 &= 1 ; R0_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=1,var_off=(0x0; 0x1))
2: (07) r0 += 254 ; R0_w=scalar(smin=umin=smin32=umin32=254,smax=umax=smax32=umax32=255,var_off=(0xfe; 0x1))
3: (bf) r0 = (s8)r0 ; R0_w=scalar(smin=smin32=-2,smax=smax32=-1,umin=umin32=0xfffffffe,umax=0xffffffff,var_off=(0xfffffffffffffffe; 0x1))
In the current implementation, the unsigned 32-bit min/max values
(u32_min_value and u32_max_value) are assigned directly from the 64-bit
signed min/max values (s64_min and s64_max):
reg->umin_value = reg->u32_min_value = s64_min;
reg->umax_value = reg->u32_max_value = s64_max;
Due to the chain assigmnent, this is equivalent to:
reg->u32_min_value = s64_min; // Unintended truncation
reg->umin_value = reg->u32_min_value;
reg->u32_max_value = s64_max; // Unintended truncation
reg->umax_value = reg->u32_max_value;
Fixes:
|
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|
Tyrone Wu
|
b836cbdf3b |
selftests/bpf: Assert link info uprobe_multi count & path_size if unset
Add assertions in `bpf_link_info.uprobe_multi` test to verify that `count` and `path_size` fields are correctly populated when the fields are unset. This tests a previous bug where the `path_size` field was not populated when `path` and `path_size` were unset. Signed-off-by: Tyrone Wu <wudevelops@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20241011000803.681190-2-wudevelops@gmail.com |
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|
Tyrone Wu
|
ad6b5b6ea9 |
bpf: Fix unpopulated path_size when uprobe_multi fields unset
Previously when retrieving `bpf_link_info.uprobe_multi` with `path` and
`path_size` fields unset, the `path_size` field is not populated
(remains 0). This behavior was inconsistent with how other input/output
string buffer fields work, as the field should be populated in cases
when:
- both buffer and length are set (currently works as expected)
- both buffer and length are unset (not working as expected)
This patch now fills the `path_size` field when `path` and `path_size`
are unset.
Fixes:
|
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|
Tony Ambardar
|
fd526e121c |
selftests/bpf: Fix cross-compiling urandom_read
Linking of urandom_read and liburandom_read.so prefers LLVM's 'ld.lld' but
falls back to using 'ld' if unsupported. However, this fallback discards
any existing makefile macro for LD and can break cross-compilation.
Fix by changing the fallback to use the target linker $(LD), passed via
'-fuse-ld=' using an absolute path rather than a linker "flavour".
Fixes:
|
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|
Alexei Starovoitov
|
3f2ac59c0d |
Merge branch 'fix-caching-of-btf-for-kfuncs-in-the-verifier'
Toke Høiland-Jørgensen says: ==================== Fix caching of BTF for kfuncs in the verifier When playing around with defining kfuncs in some custom modules, we noticed that if a BPF program calls two functions with the same signature in two different modules, the function from the wrong module may sometimes end up being called. Whether this happens depends on the order of the calls in the BPF program, which turns out to be due to the use of sort() inside __find_kfunc_desc_btf() in the verifier code. This series contains a fix for the issue (first patch), and a selftest to trigger it (last patch). The middle commit is a small refactor to expose the module loading helper functions in testing_helpers.c. See the individual patch descriptions for more details. Changes in v2: - Drop patch that refactors module building in selftests (Alexei) - Get rid of expect_val function argument in selftest (Jiri) - Collect ACKs - Link to v1: https://lore.kernel.org/r/20241008-fix-kfunc-btf-caching-for-modules-v1-0-dfefd9aa4318@redhat.com ==================== Link: https://lore.kernel.org/r/20241010-fix-kfunc-btf-caching-for-modules-v2-0-745af6c1af98@redhat.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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|
Simon Sundberg
|
f91b256644 |
selftests/bpf: Add test for kfunc module order
Add a test case for kfuncs from multiple external modules, checking that the correct kfuncs are called regardless of which order they're called in. Specifically, check that calling the kfuncs in an order different from the one the modules' BTF are loaded in works. Signed-off-by: Simon Sundberg <simon.sundberg@kau.se> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20241010-fix-kfunc-btf-caching-for-modules-v2-3-745af6c1af98@redhat.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Simon Sundberg
|
4192bb294f |
selftests/bpf: Provide a generic [un]load_module helper
Generalize the previous [un]load_bpf_testmod() helpers (in testing_helpers.c) to the more generic [un]load_module(), which can load an arbitrary kernel module by name. This allows future selftests to more easily load custom kernel modules other than bpf_testmod.ko. Refactor [un]load_bpf_testmod() to wrap this new helper. Signed-off-by: Simon Sundberg <simon.sundberg@kau.se> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20241010-fix-kfunc-btf-caching-for-modules-v2-2-745af6c1af98@redhat.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Toke Høiland-Jørgensen
|
6cb86a0fde |
bpf: fix kfunc btf caching for modules
The verifier contains a cache for looking up module BTF objects when
calling kfuncs defined in modules. This cache uses a 'struct
bpf_kfunc_btf_tab', which contains a sorted list of BTF objects that
were already seen in the current verifier run, and the BTF objects are
looked up by the offset stored in the relocated call instruction using
bsearch().
The first time a given offset is seen, the module BTF is loaded from the
file descriptor passed in by libbpf, and stored into the cache. However,
there's a bug in the code storing the new entry: it stores a pointer to
the new cache entry, then calls sort() to keep the cache sorted for the
next lookup using bsearch(), and then returns the entry that was just
stored through the stored pointer. However, because sort() modifies the
list of entries in place *by value*, the stored pointer may no longer
point to the right entry, in which case the wrong BTF object will be
returned.
The end result of this is an intermittent bug where, if a BPF program
calls two functions with the same signature in two different modules,
the function from the wrong module may sometimes end up being called.
Whether this happens depends on the order of the calls in the BPF
program (as that affects whether sort() reorders the array of BTF
objects), making it especially hard to track down. Simon, credited as
reporter below, spent significant effort analysing and creating a
reproducer for this issue. The reproducer is added as a selftest in a
subsequent patch.
The fix is straight forward: simply don't use the stored pointer after
calling sort(). Since we already have an on-stack pointer to the BTF
object itself at the point where the function return, just use that, and
populate it from the cache entry in the branch where the lookup
succeeds.
Fixes:
|
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Tony Ambardar
|
60f802e2d6 |
selftests/bpf: Fix error compiling cgroup_ancestor.c with musl libc
Existing code calls connect() with a 'struct sockaddr_in6 *' argument
where a 'struct sockaddr *' argument is declared, yielding compile errors
when building for mips64el/musl-libc:
In file included from cgroup_ancestor.c:3:
cgroup_ancestor.c: In function 'send_datagram':
cgroup_ancestor.c:38:38: error: passing argument 2 of 'connect' from incompatible pointer type [-Werror=incompatible-pointer-types]
38 | if (!ASSERT_OK(connect(sock, &addr, sizeof(addr)), "connect")) {
| ^~~~~
| |
| struct sockaddr_in6 *
./test_progs.h:343:29: note: in definition of macro 'ASSERT_OK'
343 | long long ___res = (res); \
| ^~~
In file included from .../netinet/in.h:10,
from .../arpa/inet.h:9,
from ./test_progs.h:17:
.../sys/socket.h:386:19: note: expected 'const struct sockaddr *' but argument is of type 'struct sockaddr_in6 *'
386 | int connect (int, const struct sockaddr *, socklen_t);
| ^~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
This only compiles because of a glibc extension allowing declaration of the
argument as a "transparent union" which includes both types above.
Explicitly cast the argument to allow compiling for both musl and glibc.
Cc: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
Fixes:
|
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|
Pu Lehui
|
30a59cc797 |
riscv, bpf: Fix possible infinite tailcall when CONFIG_CFI_CLANG is enabled
When CONFIG_CFI_CLANG is enabled, the number of prologue instructions
skipped by tailcall needs to include the kcfi instruction, otherwise the
TCC will be initialized every tailcall is called, which may result in
infinite tailcalls.
Fixes:
|
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|
Tyrone Wu
|
4538a38f65 |
selftests/bpf: fix perf_event link info name_len assertion
Fix `name_len` field assertions in `bpf_link_info.perf_event` for
kprobe/uprobe/tracepoint to validate correct name size instead of 0.
Fixes:
|
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Tyrone Wu
|
4deecdd29c |
bpf: fix unpopulated name_len field in perf_event link info
Previously when retrieving `bpf_link_info.perf_event` for
kprobe/uprobe/tracepoint, the `name_len` field was not populated by the
kernel, leaving it to reflect the value initially set by the user. This
behavior was inconsistent with how other input/output string buffer
fields function (e.g. `raw_tracepoint.tp_name_len`).
This patch fills `name_len` with the actual size of the string name.
Fixes:
|
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Rik van Riel
|
434247637c |
bpf: use kvzmalloc to allocate BPF verifier environment
The kzmalloc call in bpf_check can fail when memory is very fragmented, which in turn can lead to an OOM kill. Use kvzmalloc to fall back to vmalloc when memory is too fragmented to allocate an order 3 sized bpf verifier environment. Admittedly this is not a very common case, and only happens on systems where memory has already been squeezed close to the limit, but this does not seem like much of a hot path, and it's a simple enough fix. Signed-off-by: Rik van Riel <riel@surriel.com> Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev> Link: https://lore.kernel.org/r/20241008170735.16766766@imladris.surriel.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Alexei Starovoitov
|
830b8e4942 |
Merge branch 'check-the-remaining-info_cnt-before-repeating-btf-fields'
Hou Tao says: ==================== Check the remaining info_cnt before repeating btf fields From: Hou Tao <houtao1@huawei.com> Hi, The patch set adds the missed check again info_cnt when flattening the array of nested struct. The problem was spotted when developing dynptr key support for hash map. Patch #1 adds the missed check and patch #2 adds three success test cases and one failure test case for the problem. Comments are always welcome. Change Log: v2: * patch #1: check info_cnt in btf_repeat_fields() * patch #2: use a hard-coded number instead of BTF_FIELDS_MAX, because BTF_FIELDS_MAX is not always available in vmlinux.h (e.g., for llvm 17/18) v1: https://lore.kernel.org/bpf/20240911110557.2759801-1-houtao@huaweicloud.com/T/#t ==================== Link: https://lore.kernel.org/r/20241008071114.3718177-1-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Hou Tao
|
c456f08040 |
selftests/bpf: Add more test case for field flattening
Add three success test cases to test the flattening of array of nested struct. For these three tests, the number of special fields in map is BTF_FIELDS_MAX, but the array is defined in structs with different nested level. Add one failure test case for the flattening as well. In the test case, the number of special fields in map is BTF_FIELDS_MAX + 1. It will make btf_parse_fields() in map_create() return -E2BIG, the creation of map will succeed, but the load of program will fail because the btf_record is invalid for the map. Signed-off-by: Hou Tao <houtao1@huawei.com> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20241008071114.3718177-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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|
Hou Tao
|
797d73ee23 |
bpf: Check the remaining info_cnt before repeating btf fields
When trying to repeat the btf fields for array of nested struct, it
doesn't check the remaining info_cnt. The following splat will be
reported when the value of ret * nelems is greater than BTF_FIELDS_MAX:
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in ../kernel/bpf/btf.c:3951:49
index 11 is out of range for type 'btf_field_info [11]'
CPU: 6 UID: 0 PID: 411 Comm: test_progs ...... 6.11.0-rc4+ #1
Tainted: [O]=OOT_MODULE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ...
Call Trace:
<TASK>
dump_stack_lvl+0x57/0x70
dump_stack+0x10/0x20
ubsan_epilogue+0x9/0x40
__ubsan_handle_out_of_bounds+0x6f/0x80
? kallsyms_lookup_name+0x48/0xb0
btf_parse_fields+0x992/0xce0
map_create+0x591/0x770
__sys_bpf+0x229/0x2410
__x64_sys_bpf+0x1f/0x30
x64_sys_call+0x199/0x9f0
do_syscall_64+0x3b/0xc0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x7fea56f2cc5d
......
</TASK>
---[ end trace ]---
Fix it by checking the remaining info_cnt in btf_repeat_fields() before
repeating the btf fields.
Fixes:
|
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Thomas Weißschuh
|
b24d7f0da6 |
bpf, lsm: Remove bpf_lsm_key_free hook
The key_free LSM hook has been removed.
Remove the corresponding BPF hook.
Avoid warnings during the build:
BTFIDS vmlinux
WARN: resolve_btfids: unresolved symbol bpf_lsm_key_free
Fixes:
|
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Jiri Olsa
|
45126b155e |
bpf: Fix memory leak in bpf_core_apply
We need to free specs properly.
Fixes:
|
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|
Martin KaFai Lau
|
bcd28cfd04 |
Merge branch 'bpf: devmap: provide rxq after redirect'
Florian Kauer says: ==================== rxq contains a pointer to the device from where the redirect happened. Currently, the BPF program that was executed after a redirect via BPF_MAP_TYPE_DEVMAP* does not have it set. Add bugfix and related selftest. --- Changes in v4: - return -> goto out_close, thanks Toke - Link to v3: https://lore.kernel.org/r/20240909-devel-koalo-fix-ingress-ifindex-v3-0-66218191ecca@linutronix.de Changes in v3: - initialize skel to NULL, thanks Stanislav - Link to v2: https://lore.kernel.org/r/20240906-devel-koalo-fix-ingress-ifindex-v2-0-4caa12c644b4@linutronix.de Changes in v2: - changed fixes tag - added selftest - Link to v1: https://lore.kernel.org/r/20240905-devel-koalo-fix-ingress-ifindex-v1-1-d12a0d74c29c@linutronix.de ==================== Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
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Florian Kauer
|
49ebeb0c15 |
bpf: selftests: send packet to devmap redirect XDP
The current xdp_devmap_attach test attaches a program that redirects to another program via devmap. It is, however, never executed, so do that to catch any bugs that might occur during execution. Also, execute the same for a veth pair so that we also cover the non-generic path. Warning: Running this without the bugfix in this series will likely crash your system. Signed-off-by: Florian Kauer <florian.kauer@linutronix.de> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20240911-devel-koalo-fix-ingress-ifindex-v4-2-5c643ae10258@linutronix.de Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
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Florian Kauer
|
ca9984c5f0 |
bpf: devmap: provide rxq after redirect
rxq contains a pointer to the device from where
the redirect happened. Currently, the BPF program
that was executed after a redirect via BPF_MAP_TYPE_DEVMAP*
does not have it set.
This is particularly bad since accessing ingress_ifindex, e.g.
SEC("xdp")
int prog(struct xdp_md *pkt)
{
return bpf_redirect_map(&dev_redirect_map, 0, 0);
}
SEC("xdp/devmap")
int prog_after_redirect(struct xdp_md *pkt)
{
bpf_printk("ifindex %i", pkt->ingress_ifindex);
return XDP_PASS;
}
depends on access to rxq, so a NULL pointer gets dereferenced:
<1>[ 574.475170] BUG: kernel NULL pointer dereference, address: 0000000000000000
<1>[ 574.475188] #PF: supervisor read access in kernel mode
<1>[ 574.475194] #PF: error_code(0x0000) - not-present page
<6>[ 574.475199] PGD 0 P4D 0
<4>[ 574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
<4>[ 574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 Not tainted 6.11.0-rc5-reduced-00859-g780801200300 #23
<4>[ 574.475226] Hardware name: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 03/14/2023
<4>[ 574.475231] Workqueue: mld mld_ifc_work
<4>[ 574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c
<4>[ 574.475257] Code: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 <48> 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b
<4>[ 574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206
<4>[ 574.475269] RAX: ffffa62440280cd8 RBX: 0000000000000001 RCX: 0000000000000000
<4>[ 574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0
<4>[ 574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001
<4>[ 574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000
<4>[ 574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000
<4>[ 574.475289] FS: 0000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000
<4>[ 574.475294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0
<4>[ 574.475303] PKRU: 55555554
<4>[ 574.475306] Call Trace:
<4>[ 574.475313] <IRQ>
<4>[ 574.475318] ? __die+0x23/0x70
<4>[ 574.475329] ? page_fault_oops+0x180/0x4c0
<4>[ 574.475339] ? skb_pp_cow_data+0x34c/0x490
<4>[ 574.475346] ? kmem_cache_free+0x257/0x280
<4>[ 574.475357] ? exc_page_fault+0x67/0x150
<4>[ 574.475368] ? asm_exc_page_fault+0x26/0x30
<4>[ 574.475381] ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c
<4>[ 574.475386] bq_xmit_all+0x158/0x420
<4>[ 574.475397] __dev_flush+0x30/0x90
<4>[ 574.475407] veth_poll+0x216/0x250 [veth]
<4>[ 574.475421] __napi_poll+0x28/0x1c0
<4>[ 574.475430] net_rx_action+0x32d/0x3a0
<4>[ 574.475441] handle_softirqs+0xcb/0x2c0
<4>[ 574.475451] do_softirq+0x40/0x60
<4>[ 574.475458] </IRQ>
<4>[ 574.475461] <TASK>
<4>[ 574.475464] __local_bh_enable_ip+0x66/0x70
<4>[ 574.475471] __dev_queue_xmit+0x268/0xe40
<4>[ 574.475480] ? selinux_ip_postroute+0x213/0x420
<4>[ 574.475491] ? alloc_skb_with_frags+0x4a/0x1d0
<4>[ 574.475502] ip6_finish_output2+0x2be/0x640
<4>[ 574.475512] ? nf_hook_slow+0x42/0xf0
<4>[ 574.475521] ip6_finish_output+0x194/0x300
<4>[ 574.475529] ? __pfx_ip6_finish_output+0x10/0x10
<4>[ 574.475538] mld_sendpack+0x17c/0x240
<4>[ 574.475548] mld_ifc_work+0x192/0x410
<4>[ 574.475557] process_one_work+0x15d/0x380
<4>[ 574.475566] worker_thread+0x29d/0x3a0
<4>[ 574.475573] ? __pfx_worker_thread+0x10/0x10
<4>[ 574.475580] ? __pfx_worker_thread+0x10/0x10
<4>[ 574.475587] kthread+0xcd/0x100
<4>[ 574.475597] ? __pfx_kthread+0x10/0x10
<4>[ 574.475606] ret_from_fork+0x31/0x50
<4>[ 574.475615] ? __pfx_kthread+0x10/0x10
<4>[ 574.475623] ret_from_fork_asm+0x1a/0x30
<4>[ 574.475635] </TASK>
<4>[ 574.475637] Modules linked in: veth br_netfilter bridge stp llc iwlmvm x86_pkg_temp_thermal iwlwifi efivarfs nvme nvme_core
<4>[ 574.475662] CR2: 0000000000000000
<4>[ 574.475668] ---[ end trace 0000000000000000 ]---
Therefore, provide it to the program by setting rxq properly.
Fixes:
|
||
|
Daniel Borkmann
|
3ed6be6891 |
bpf: Sync uapi bpf.h header to tools directory
There is a delta between kernel UAPI bpf.h and tools UAPI bpf.h, thus sync them again. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> |
||
|
Toke Høiland-Jørgensen
|
09d88791c7 |
bpf: Make sure internal and UAPI bpf_redirect flags don't overlap
The bpf_redirect_info is shared between the SKB and XDP redirect paths,
and the two paths use the same numeric flag values in the ri->flags
field (specifically, BPF_F_BROADCAST == BPF_F_NEXTHOP). This means that
if skb bpf_redirect_neigh() is used with a non-NULL params argument and,
subsequently, an XDP redirect is performed using the same
bpf_redirect_info struct, the XDP path will get confused and end up
crashing, which syzbot managed to trigger.
With the stack-allocated bpf_redirect_info, the structure is no longer
shared between the SKB and XDP paths, so the crash doesn't happen
anymore. However, different code paths using identically-numbered flag
values in the same struct field still seems like a bit of a mess, so
this patch cleans that up by moving the flag definitions together and
redefining the three flags in BPF_F_REDIRECT_INTERNAL to not overlap
with the flags used for XDP. It also adds a BUILD_BUG_ON() check to make
sure the overlap is not re-introduced by mistake.
Fixes:
|
||
|
Eduard Zingerman
|
a41b3828ec |
selftests/bpf: Verify that sync_linked_regs preserves subreg_def
This test was added because of a bug in verifier.c:sync_linked_regs(), upon range propagation it destroyed subreg_def marks for registers. The test is written in a way to return an upper half of a register that is affected by range propagation and must have it's subreg_def preserved. This gives a return value of 0 and leads to undefined return value if subreg_def mark is not preserved. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20240924210844.1758441-2-eddyz87@gmail.com |
||
|
Eduard Zingerman
|
e9bd9c498c |
bpf: sync_linked_regs() must preserve subreg_def
Range propagation must not affect subreg_def marks, otherwise the
following example is rewritten by verifier incorrectly when
BPF_F_TEST_RND_HI32 flag is set:
0: call bpf_ktime_get_ns call bpf_ktime_get_ns
1: r0 &= 0x7fffffff after verifier r0 &= 0x7fffffff
2: w1 = w0 rewrites w1 = w0
3: if w0 < 10 goto +0 --------------> r11 = 0x2f5674a6 (r)
4: r1 >>= 32 r11 <<= 32 (r)
5: r0 = r1 r1 |= r11 (r)
6: exit; if w0 < 0xa goto pc+0
r1 >>= 32
r0 = r1
exit
(or zero extension of w1 at (2) is missing for architectures that
require zero extension for upper register half).
The following happens w/o this patch:
- r0 is marked as not a subreg at (0);
- w1 is marked as subreg at (2);
- w1 subreg_def is overridden at (3) by copy_register_state();
- w1 is read at (5) but mark_insn_zext() does not mark (2)
for zero extension, because w1 subreg_def is not set;
- because of BPF_F_TEST_RND_HI32 flag verifier inserts random
value for hi32 bits of (2) (marked (r));
- this random value is read at (5).
Fixes:
|
||
|
Wander Lairson Costa
|
8b62645b09 |
bpf: Use raw_spinlock_t in ringbuf
The function __bpf_ringbuf_reserve is invoked from a tracepoint, which
disables preemption. Using spinlock_t in this context can lead to a
"sleep in atomic" warning in the RT variant. This issue is illustrated
in the example below:
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 556208, name: test_progs
preempt_count: 1, expected: 0
RCU nest depth: 1, expected: 1
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffd33a5c88ea44>] migrate_enable+0xc0/0x39c
CPU: 7 PID: 556208 Comm: test_progs Tainted: G
Hardware name: Qualcomm SA8775P Ride (DT)
Call trace:
dump_backtrace+0xac/0x130
show_stack+0x1c/0x30
dump_stack_lvl+0xac/0xe8
dump_stack+0x18/0x30
__might_resched+0x3bc/0x4fc
rt_spin_lock+0x8c/0x1a4
__bpf_ringbuf_reserve+0xc4/0x254
bpf_ringbuf_reserve_dynptr+0x5c/0xdc
bpf_prog_ac3d15160d62622a_test_read_write+0x104/0x238
trace_call_bpf+0x238/0x774
perf_call_bpf_enter.isra.0+0x104/0x194
perf_syscall_enter+0x2f8/0x510
trace_sys_enter+0x39c/0x564
syscall_trace_enter+0x220/0x3c0
do_el0_svc+0x138/0x1dc
el0_svc+0x54/0x130
el0t_64_sync_handler+0x134/0x150
el0t_64_sync+0x17c/0x180
Switch the spinlock to raw_spinlock_t to avoid this error.
Fixes:
|
||
|
Linus Torvalds
|
684a64bf32 |
NFS Client Updates for Linux 6.12
New Features: * Add a 'noalignwrite' mount option for lock-less 'lost writes' prevention * Add support for the LOCALIO protocol extention Bugfixes: * Fix memory leak in error path of nfs4_do_reclaim() * Simplify and guarantee lock owner uniqueness * Fix -Wformat-truncation warning * Fix folio refcounts by using folio_attach_private() * Fix failing the mount system call when the server is down * Fix detection of "Proxying of Times" server support Cleanups: * Annotate struct nfs_cache_array with __counted_by() * Remove unnecessary NULL checks before kfree() * Convert RPC_TASK_* constants to an enum * Remove obsolete or misleading comments and declerations -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAmbzKDAACgkQ18tUv7Cl QOusjBAAxTSoVbHocl+9eYpvKnscPArgPXnfd6mB9rnQRgtnceTO2ei7cdiE2qhz dxQiyzlAXh3e7dGwoy02qEd6wTTqWeQ8ESdMpCAqSacBU4tu5owfzNSWunZvgYYj QOhjdmv8M1IfZnTstPlVrRNaZcDkhV1tzEtpZppkEqhTB0bHWqrcM4EdklTWT0Yc PGMpGbfuGsa4qZy2vWl7doERVEgK8mBeahLtYFD2W6phIvNWgD6IlKy66RaK2RfH nXmZoZbI2/ioi4TKvNyY8xoGMGvetLI1h8YNQYkEg060XCkisLZDOvoodUAylOTR 2jHQLG5+/ejhpD/zgPghGZDSGNN1GyZaH09E/vtiS+3k9OXxFz6Rq68VnC6kpMA4 TIUYsT8ejPzs2gW59iDFGB6cKI4XnRtxgmApW/Za0y9A72PSi+G/pbWAk7ThjTxf +HySsba4baA63opIgBSLVBrUsXZfdn/KTDTZ4nkPiq57BggGcZv7Y2ItOTXA+pB/ 5nigDKkhWsYVjMbkx6wmh+VO2gv4/Z8WqsmiDwFMpVqM0w8eycBOHjOumuuc6nmw y+2OKZqU2Npm2HI/R8lA7nB1m2QP5t7CRM2+xlZNuavHrfsMaqHNl8/9VgxlCATQ /Zo74hbhmCgQYxrTjL8XFQG9/8y0o3H5IcTEr/SgCVxHyDSan1I= =YjyC -----END PGP SIGNATURE----- Merge tag 'nfs-for-6.12-1' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client updates from Anna Schumaker: "New Features: - Add a 'noalignwrite' mount option for lock-less 'lost writes' prevention - Add support for the LOCALIO protocol extention Bugfixes: - Fix memory leak in error path of nfs4_do_reclaim() - Simplify and guarantee lock owner uniqueness - Fix -Wformat-truncation warning - Fix folio refcounts by using folio_attach_private() - Fix failing the mount system call when the server is down - Fix detection of "Proxying of Times" server support Cleanups: - Annotate struct nfs_cache_array with __counted_by() - Remove unnecessary NULL checks before kfree() - Convert RPC_TASK_* constants to an enum - Remove obsolete or misleading comments and declerations" * tag 'nfs-for-6.12-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (41 commits) nfs: Fix `make htmldocs` warnings in the localio documentation nfs: add "NFS Client and Server Interlock" section to localio.rst nfs: add FAQ section to Documentation/filesystems/nfs/localio.rst nfs: add Documentation/filesystems/nfs/localio.rst nfs: implement client support for NFS_LOCALIO_PROGRAM nfs/localio: use dedicated workqueues for filesystem read and write pnfs/flexfiles: enable localio support nfs: enable localio for non-pNFS IO nfs: add LOCALIO support nfs: pass struct nfsd_file to nfs_init_pgio and nfs_init_commit nfsd: implement server support for NFS_LOCALIO_PROGRAM nfsd: add LOCALIO support nfs_common: prepare for the NFS client to use nfsd_file for LOCALIO nfs_common: add NFS LOCALIO auxiliary protocol enablement SUNRPC: replace program list with program array SUNRPC: add svcauth_map_clnt_to_svc_cred_local SUNRPC: remove call_allocate() BUG_ONs nfsd: add nfsd_serv_try_get and nfsd_serv_put nfsd: add nfsd_file_acquire_local() nfsd: factor out __fh_verify to allow NULL rqstp to be passed ... |
||
|
Linus Torvalds
|
f7fccaa772 |
fuse update for 6.12
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCZvKlbgAKCRDh3BK/laaZ PLliAP9q5btlhlffnRg2LWCf4rIzbJ6vkORkc+GeyAXnWkIljQEA9En1K2vyg7Tk f9FvNQK9C+pS0GxURDRI7YedJ2f9FQ0= =wuY0 -----END PGP SIGNATURE----- Merge tag 'fuse-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Add support for idmapped fuse mounts (Alexander Mikhalitsyn) - Add optimization when checking for writeback (yangyun) - Add tracepoints (Josef Bacik) - Clean up writeback code (Joanne Koong) - Clean up request queuing (me) - Misc fixes * tag 'fuse-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (32 commits) fuse: use exclusive lock when FUSE_I_CACHE_IO_MODE is set fuse: clear FR_PENDING if abort is detected when sending request fs/fuse: convert to use invalid_mnt_idmap fs/mnt_idmapping: introduce an invalid_mnt_idmap fs/fuse: introduce and use fuse_simple_idmap_request() helper fs/fuse: fix null-ptr-deref when checking SB_I_NOIDMAP flag fuse: allow O_PATH fd for FUSE_DEV_IOC_BACKING_OPEN virtio_fs: allow idmapped mounts fuse: allow idmapped mounts fuse: warn if fuse_access is called when idmapped mounts are allowed fuse: handle idmappings properly in ->write_iter() fuse: support idmapped ->rename op fuse: support idmapped ->set_acl fuse: drop idmap argument from __fuse_get_acl fuse: support idmapped ->setattr op fuse: support idmapped ->permission inode op fuse: support idmapped getattr inode op fuse: support idmap for mkdir/mknod/symlink/create/tmpfile fuse: support idmapped FUSE_EXT_GROUPS fuse: add an idmap argument to fuse_simple_request ... |
||
|
Linus Torvalds
|
4165cee7ec |
Description for this pull request:
- Clean-up unnecessary codes as ->valid_size is supported. - buffered-IO fallback is no longer needed when using direct-IO. - Move ->valid_size extension from mmap to ->page_mkwrite. This improves the overhead caused by unnecessary zero-out during mmap. - Fix memleaks from exfat_load_bitmap() and exfat_create_upcase_table(). - Add sops->shutdown and ioctl. - Add Yuezhang Mo as a reviwer. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEE6NzKS6Uv/XAAGHgyZwv7A1FEIQgFAmbytEQWHGxpbmtpbmpl b25Aa2VybmVsLm9yZwAKCRBnC/sDUUQhCEqUD/sEerRjBeNi+ivTvYtxqQGaDCnj Re6gBUt138rF2qyVcX3dP0wMHVNEHzjtdJjZGuQXAKttkZ1qW1wGbz0kyIyFjRfZ MHPaaqAavDiDFqxZnJvB9xKsuU6mb0Kr0JC6mKet3KD+Q2VekePSX+3SvwRDcPNb 4CroYvJtOOWy21FKvKc2LxZBrowTElCPIhiXbHgWRhJBVhi4edrDo0391enzkKwt Is0/RzMbAsQ08Ap+TH6YIlPtA9aVSiTDyal1YaIgpXjaVxqF3MpMfPFG6+XJ8GOw k9BXM5XH5YXPZXallG8Fkx5Hh6Nrf9Vuvt68KbLQuzL6MdDEb8vTPEycQFHpapLx hk5TrL23Ok2RU/AJJXUDxii+J+3YzuTgIL6sdgJbaYb1ZYebiMzjRkwUJpH3dqg+ lx1QtYWsVRR8fTtBEle1yVbOPcuyUWUkMpKVIUseVL0EiQNpiwBSGKKuus3Cul4O KA6Kx8hYEguHAIBn5U52mzIl9Ye+j+QyRmcmA/qnObk/1h+5FKn+HgnMINex0qmz PXzI+cLta6TZKtb8+KnTNImRXCDtcvtG9wkF25M3vmzBMiLfTnEZsXKwF+fPiydw +N19vX6HVT8JpIOGhbsRQp7abLR2IhYCeZQCWdT09Ol0VUsXx87+CfsLQpM3xw4U 79nicqiwHjVP98Wjyg== =vVfO -----END PGP SIGNATURE----- Merge tag 'exfat-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat Pull exfat updates from Namjae Jeon: - Clean-up unnecessary codes as ->valid_size is supported - buffered-IO fallback is no longer needed when using direct-IO - Move ->valid_size extension from mmap to ->page_mkwrite. This improves the overhead caused by unnecessary zero-out during mmap. - Fix memleaks from exfat_load_bitmap() and exfat_create_upcase_table() - Add sops->shutdown and ioctl - Add Yuezhang Mo as a reviwer * tag 'exfat-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat: MAINTAINERS: exfat: add myself as reviewer exfat: resolve memory leak from exfat_create_upcase_table() exfat: move extend valid_size into ->page_mkwrite() exfat: fix memory leak in exfat_load_bitmap() exfat: Implement sops->shutdown and ioctl exfat: do not fallback to buffered write exfat: drop ->i_size_ondisk |
||
|
Linus Torvalds
|
79952bdcbc |
f2fs-6.12-rc1
In this series, the main changes include 1) converting major IO paths to use
folio, and 2) adding various knobs to control GC more flexibly for Zoned
devices. In addition, there are several patches to address corner cases of
atomic file operations and better support for file pinning on zoned device.
Enhancement:
- add knobs to tune foreground/background GCs for Zoned devices
- convert IO paths to use folio
- reduce expensive checkpoint trigger frequency
- allow F2FS_IPU_NOCACHE for pinned file
- forcibly migrate to secure space for zoned device file pinning
- get rid of buffer_head use
- add write priority option based on zone UFS
- get rid of online repair on corrupted directory
Bug fix:
- fix to don't panic system for no free segment fault injection
- fix to don't set SB_RDONLY in f2fs_handle_critical_error()
- avoid unused block when dio write in LFS mode
- compress: don't redirty sparse cluster during {,de}compress
- check discard support for conventional zones
- atomic: prevent atomic file from being dirtied before commit
- atomic: fix to check atomic_file in f2fs ioctl interfaces
- atomic: fix to forbid dio in atomic_file
- atomic: fix to truncate pagecache before on-disk metadata truncation
- atomic: create COW inode from parent dentry
- atomic: fix to avoid racing w/ GC
- atomic: require FMODE_WRITE for atomic write ioctls
- fix to wait page writeback before setting gcing flag
- fix to avoid racing in between read and OPU dio write, dio completion
- fix several potential integer overflows in file offsets and dir_block_index
- fix to avoid use-after-free in f2fs_stop_gc_thread()
As usual, there are several code clean-ups and refactorings.
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Merge tag 'f2fs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"The main changes include converting major IO paths to use folio, and
adding various knobs to control GC more flexibly for Zoned devices.
In addition, there are several patches to address corner cases of
atomic file operations and better support for file pinning on zoned
device.
Enhancement:
- add knobs to tune foreground/background GCs for Zoned devices
- convert IO paths to use folio
- reduce expensive checkpoint trigger frequency
- allow F2FS_IPU_NOCACHE for pinned file
- forcibly migrate to secure space for zoned device file pinning
- get rid of buffer_head use
- add write priority option based on zone UFS
- get rid of online repair on corrupted directory
Bug fixes:
- fix to don't panic system for no free segment fault injection
- fix to don't set SB_RDONLY in f2fs_handle_critical_error()
- avoid unused block when dio write in LFS mode
- compress: don't redirty sparse cluster during {,de}compress
- check discard support for conventional zones
- atomic: prevent atomic file from being dirtied before commit
- atomic: fix to check atomic_file in f2fs ioctl interfaces
- atomic: fix to forbid dio in atomic_file
- atomic: fix to truncate pagecache before on-disk metadata truncation
- atomic: create COW inode from parent dentry
- atomic: fix to avoid racing w/ GC
- atomic: require FMODE_WRITE for atomic write ioctls
- fix to wait page writeback before setting gcing flag
- fix to avoid racing in between read and OPU dio write, dio completion
- fix several potential integer overflows in file offsets and dir_block_index
- fix to avoid use-after-free in f2fs_stop_gc_thread()
As usual, there are several code clean-ups and refactorings"
* tag 'f2fs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (60 commits)
f2fs: allow F2FS_IPU_NOCACHE for pinned file
f2fs: forcibly migrate to secure space for zoned device file pinning
f2fs: remove unused parameters
f2fs: fix to don't panic system for no free segment fault injection
f2fs: fix to don't set SB_RDONLY in f2fs_handle_critical_error()
f2fs: add valid block ratio not to do excessive GC for one time GC
f2fs: create gc_no_zoned_gc_percent and gc_boost_zoned_gc_percent
f2fs: do FG_GC when GC boosting is required for zoned devices
f2fs: increase BG GC migration window granularity when boosted for zoned devices
f2fs: add reserved_segments sysfs node
f2fs: introduce migration_window_granularity
f2fs: make BG GC more aggressive for zoned devices
f2fs: avoid unused block when dio write in LFS mode
f2fs: fix to check atomic_file in f2fs ioctl interfaces
f2fs: get rid of online repaire on corrupted directory
f2fs: prevent atomic file from being dirtied before commit
f2fs: get rid of page->index
f2fs: convert read_node_page() to use folio
f2fs: convert __write_node_page() to use folio
f2fs: convert f2fs_write_data_page() to use folio
...
|
||
|
Linus Torvalds
|
fa8380a06b |
bpf-next-6.12-struct-fd
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||
|
Linus Torvalds
|
68e5c7d4ce |
Kbuild updates for v6.12
- Support cross-compiling linux-headers Debian package and kernel-devel
RPM package
- Add support for the linux-debug Pacman package
- Improve module rebuilding speed by factoring out the common code to
scripts/module-common.c
- Separate device tree build rules into scripts/Makefile.dtbs
- Add a new script to generate modules.builtin.ranges, which is useful
for tracing tools to find symbols in built-in modules
- Refactor Kconfig and misc tools
- Update Kbuild and Kconfig documentation
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Merge tag 'kbuild-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Support cross-compiling linux-headers Debian package and kernel-devel
RPM package
- Add support for the linux-debug Pacman package
- Improve module rebuilding speed by factoring out the common code to
scripts/module-common.c
- Separate device tree build rules into scripts/Makefile.dtbs
- Add a new script to generate modules.builtin.ranges, which is useful
for tracing tools to find symbols in built-in modules
- Refactor Kconfig and misc tools
- Update Kbuild and Kconfig documentation
* tag 'kbuild-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (51 commits)
kbuild: doc: replace "gcc" in external module description
kbuild: doc: describe the -C option precisely for external module builds
kbuild: doc: remove the description about shipped files
kbuild: doc: drop section numbering, use references in modules.rst
kbuild: doc: throw out the local table of contents in modules.rst
kbuild: doc: remove outdated description of the limitation on -I usage
kbuild: doc: remove description about grepping CONFIG options
kbuild: doc: update the description about Kbuild/Makefile split
kbuild: remove unnecessary export of RUST_LIB_SRC
kbuild: remove append operation on cmd_ld_ko_o
kconfig: cache expression values
kconfig: use hash table to reuse expressions
kconfig: refactor expr_eliminate_dups()
kconfig: add comments to expression transformations
kconfig: change some expr_*() functions to bool
scripts: move hash function from scripts/kconfig/ to scripts/include/
kallsyms: change overflow variable to bool type
kallsyms: squash output_address()
kbuild: add install target for modules.builtin.ranges
scripts: add verifier script for builtin module range data
...
|
||
|
Linus Torvalds
|
7f8de2bf07 |
linux-cpupower-6.12-rc1-fixes
This cpupower fixes update consists fix to raw_pylibcpupower.i being removed by "make mrproper". "*.i", "*.o" files are generated during kernel compile and removed when the repo is cleaned by mrproper. The file is renamed to use .swg extension instead to avoid the problem. The second patch removes references to raw_pylibcpupower.i from .gitignore. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmbxyG0ACgkQCwJExA0N Qxxf4RAAt7Ow3RePcze5fBsl2GkIGDw3rWGxmr0Qbh/YesD/o/eOtykqe4RobqqX v1VSwbdJEquD4Ll4i3i4np/82zWK9YOAWRcXt9x8HfecfSFhMY0M76+wghhS+zWK b0V+y4xiELcmaZGiBaHwfbazHmpwpYHukzZSjK/ll0u1umCIPPVSvVtI7240IQ4b MAI3K/wIvHyQgnkVaqdVzqhRxitIwXuy2hw0aNzwJ66FM7EwvuBDazKhPQU355hH 6eD0GRs7ffcLdG9cLeKd/BewIv7Fc6pkgUZ5JYmmehYGZUPvhvAgoxqwD0FOs99s bt5YWrIBx45psR8PJiVtL3ZJPNqNQt9LRsHD0ANKGk+yMZoKoeEUP367hGy48ZPi 1HdMnn9aMVm/mP7wuL9nre8rV+NFooFC/hkwyBeWIQMSFI9m4KY8ifDc7Dl+r4N2 5oX+4QKoXoNQEiPN4Ap11dhUqaxFunjcN1zjMCE63cLLzfFBIDRypAnpuypbajca DQZz4dcxSoNBxl0ylwiqyYfAfUoPfffT2np+ZawnBGtwGFf8gKnCuEeMjwXJg0Ym Cgp4mjp+xyQgwOVS0HSQ3jGrTLfLJeSUxMugc+6Mao6v8U6cMSUxNA8Le6iBHjrA YQFXCj1qeoD/M7LhMIseBsACmd4JwVZgoO3V+eS45LICxEgHYPY= =cwcN -----END PGP SIGNATURE----- Merge tag 'linux-cpupower-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux Pull cpupower updates from Shuah Khan "The 'raw_pylibcpupower.i' file was being removed by "make mrproper". That was because '*.i', '.s' and '*.o' files are generated during kernel compile and removed when the repo is cleaned by mrproper. Rename it to use .swg extension instead to avoid the problem. A second patch removes references to it from .gitignore" * tag 'linux-cpupower-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: pm: cpupower: Clean up bindings gitignore pm: cpupower: rename raw_pylibcpupower.i |
||
|
Linus Torvalds
|
cd3d647729 |
I3C for 6.12
Core:
- allow adjusting first broadcast address speed
Drivers:
- cdns: few fixes
- mipi-i3c-hci: Add AMD SoC I3C controller support and quirks, fix get_i3c_mode
- svc: adjust rates, fix race condition
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Merge tag 'i3c/for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"This adds support for the I3C HCI controller of the AMD SoC which as
expected requires quirks. Also fixes for the other drivers, including
rate selection fixes for svc.
Core:
- allow adjusting first broadcast address speed
Drivers:
- cdns: few fixes
- mipi-i3c-hci: Add AMD SoC I3C controller support and quirks, fix
get_i3c_mode
- svc: adjust rates, fix race condition"
* tag 'i3c/for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: svc: Fix use after free vulnerability in svc_i3c_master Driver Due to Race Condition
i3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition
i3c: master: svc: adjust SDR according to i3c spec
i3c: master: svc: use slow speed for first broadcast address
i3c: master: support to adjust first broadcast address speed
i3c/master: cmd_v1: Fix the rule for getting i3c mode
i3c: master: cdns: fix module autoloading
i3c: mipi-i3c-hci: Add a quirk to set Response buffer threshold
i3c: mipi-i3c-hci: Add a quirk to set timing parameters
i3c: mipi-i3c-hci: Relocate helper macros to HCI header file
i3c: mipi-i3c-hci: Add a quirk to set PIO mode
i3c: mipi-i3c-hci: Read HC_CONTROL_PIO_MODE only after i3c hci v1.1
i3c: mipi-i3c-hci: Add AMDI5017 ACPI ID to the I3C Support List
|
||
|
Linus Torvalds
|
ba0c0cb56f |
remoteproc: k3-m4: use the proper dependencies
The TI_K3_M4_REMOTEPROC Kconfig entry selects OMAP2PLUS_MBOX, but that
driver in turn depends on other things, which the k4-m4 driver didn't.
This causes a Kconfig time warning:
WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
Selected by [m]:
- TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])
because you can't select something that is unavailable.
Make the dependencies for TI_K3_M4_REMOTEPROC match those of the
OMAP2PLUS_MBOX driver that it needs.
Fixes:
|
||
|
Linus Torvalds
|
9ae2940cbc |
Input updates for v6.12-rc0
- support for PixArt PS/2 touchpad - updates to tsc2004/5, usbtouchscreen, and zforce_ts drivers - support for GPIO-only mode for ADP55888 controller - support for touch keys in Zinitix driver - support for querying density of Synaptics sensors - sysfs interface for Goodex "Berlin" devices to read and write touch IC registers - more quirks to i8042 to handle various Tuxedo laptops - a number of drivers have been converted to using "guard" notation when acquiring various locks, as well as using other cleanup functions to simplify releasing of resources (with more drivers to follow) - evdev will limit amount of data that can be written into an evdev instance at a given time to 4096 bytes (170 input events) to avoid holding evdev->mutex for too long and starving other users - Spitz has been converted to use software nodes/properties to describe its matrix keypad and GPIO-connected LEDs - msc5000_ts, msc_touchkey and keypad-nomadik-ske drivers have been removed since noone in mainline have been using them - other assorted cleanups and fixes. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCZvGnWgAKCRBAj56VGEWX nDjGAQCHcRk1icJlyjx3KA85gdILriDB9zMNJnCnbYXrSfGbOQD+LZNjO3po26zB wloLEYTKRu3E/oWEI8VcfIN2m89vxw4= =bDsb -----END PGP SIGNATURE----- Merge tag 'input-for-v6.12-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: - support for PixArt PS/2 touchpad - updates to tsc2004/5, usbtouchscreen, and zforce_ts drivers - support for GPIO-only mode for ADP55888 controller - support for touch keys in Zinitix driver - support for querying density of Synaptics sensors - sysfs interface for Goodex "Berlin" devices to read and write touch IC registers - more quirks to i8042 to handle various Tuxedo laptops - a number of drivers have been converted to using "guard" notation when acquiring various locks, as well as using other cleanup functions to simplify releasing of resources (with more drivers to follow) - evdev will limit amount of data that can be written into an evdev instance at a given time to 4096 bytes (170 input events) to avoid holding evdev->mutex for too long and starving other users - Spitz has been converted to use software nodes/properties to describe its matrix keypad and GPIO-connected LEDs - msc5000_ts, msc_touchkey and keypad-nomadik-ske drivers have been removed since noone in mainline have been using them - other assorted cleanups and fixes * tag 'input-for-v6.12-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (98 commits) ARM: spitz: fix compile error when matrix keypad driver is enabled Input: hynitron_cstxxx - drop explicit initialization of struct i2c_device_id::driver_data to 0 Input: adp5588-keys - fix check on return code Input: Convert comma to semicolon Input: i8042 - add TUXEDO Stellaris 15 Slim Gen6 AMD to i8042 quirk table Input: i8042 - add another board name for TUXEDO Stellaris Gen5 AMD line Input: tegra-kbc - use of_property_read_variable_u32_array() and of_property_present() Input: ps2-gpio - use IRQF_NO_AUTOEN flag in request_irq() Input: ims-pcu - fix calling interruptible mutex Input: zforce_ts - switch to using asynchronous probing Input: zforce_ts - remove assert/deassert wrappers Input: zforce_ts - do not hardcode interrupt level Input: zforce_ts - switch to using devm_regulator_get_enable() Input: zforce_ts - stop treating VDD regulator as optional Input: zforce_ts - make zforce_idtable constant Input: zforce_ts - use dev_err_probe() where appropriate Input: zforce_ts - do not ignore errors when acquiring regulator Input: zforce_ts - make parsing of contacts less confusing Input: zforce_ts - switch to using get_unaligned_le16 Input: zforce_ts - use guard notation when acquiring mutexes ... |
||
|
Linus Torvalds
|
6db6a19f1a |
hwspinlock update for v6.12
This converts the Spreadtrum hardware spinlock DeviceTree binding to YAML, to allow validation of related DeviceTree source. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmbyReoVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FGJkP/jMfaXkO+QMtt2jJqOOC/ebaviEP k8EILUy7EhYnfkJdzdaUKgN6M+xSIClRssmoJq0xUgs7LNq9mqViBw3ewxpP8JQe ychmnqogzbRHnKaH1QWxqeE1PfEUCBqTcT7c+3L2QDDnhjIIViObMarbwBJ6sFnf Yb9nG0gOG26W81eG32FRQ+Z6+Tnf6vLT9PjgYZ2UbG01onZuAG1KKhcQrckbPt3p jpTw/0gfJMIauuFtC5ouhVMeWnA9ksstRogOd2gjjd5jUIdC/7Ff3IkAJ04aqpSy t8NphBGOHqageyVczDt4kjmgQti4bL+EemgJ5HTkzQ9PFFJJ8bwueRpodJGW4I7s /SAxEfGFSlaB1Ll/dX9drsARir2CRT/nJPWcSKQL7G9/5Cq5ywfQsmN3NPZjlrQH cX37leOK1Xpw1TN60kWccZKn2/BIuDY7XLnyVezj/2tdmJhvP7+05G09qZVoHxGQ MDmHz0htENW+yGcPfVtGvj92vBsXpVmwUo6VXp7Cu/1U64rzzKa/TAm0QBZhLYTX 1GaQb5STMvbUx0l8KBAN1taKhfaeEbxF/SMbxKgIjCTpybhCj6q787QvBT3BICh4 jDRMeCM5PpXFIrFDA+oyMjqx9aXRxgj9O5c3HRvPjxDbMKyKAW2Twf99SZTn6StZ 2JXQcFR117EFZYt1 =DyIB -----END PGP SIGNATURE----- Merge tag 'hwlock-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull hwspinlock update from Bjorn Andersson: "This converts the Spreadtrum hardware spinlock DeviceTree binding to YAML, to allow validation of related DeviceTree source" * tag 'hwlock-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: dt-bindings: hwlock: sprd-hwspinlock: convert to YAML |
||
|
Linus Torvalds
|
6e10aa1fee |
rpmsg updates for v6.12
This performs minor cleanup/refactor of the Qualcomm GLINK code, in order to then add trace events related to the messages exchange with the remote side, useful for debugging a range of interoperability issues. The nested structs with flexible array members, in the same driver, is then rewritten to avoid the risk of invalid accesses. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmbyRXAVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FCmwQAK4rnPNCnJsPoZDQx41JoWwIwRMu Xn3CBwAN24ysfSYusqQrtYtru6KIVg3B1F0Qu/bDCmRG9rq0jGgnUDK368OX9Tpm P1rZTCqvVe8iZms69uz/aJN+3ZAjUH6kJlrTlCRuSoDFGirohjqIUUYQylGvNFQH E27wAVNH7W8ahXOZP94T2w39rIN4+EB5G8BTZmdFXRW4V1DPYoxcoAc9a9AZqsea mPkvIpF0aKHMD8NnPjEutMLC51RCTb6IrqJknmd1IhREVai0d4pc3UlwU/NpIMWO pDu4EJbYzFSj1wkgPeaaQ05fQ9mCMM9y4fXKJFSKqX50Iq9HCpr7NR2XYiv+mGLJ F7tMhmu0sfOGg8t8Zzh92I2WoTiQs0JdikZ+CJo2I5ZkNCPbGUe/DvZfyUE3SEjt SRhgBzhyZ+aREzzmbkwfwmEtJLahgJDvC9kj9EUX9wRdE4gG9Uwb2YpUU6pguKTX XhKNUey19KVUZjBdcOL4eau7FrZiP7D8cYrwH870t027gdNahPD8DsxC8l52NlNV 0IST3gIRZneiOEW0OA/5i8O6SHJaJ5A0aOpzm0uMiiXu7cL+3iW9PwtwywsjObGX QNjtNtHfxuXFK3P8UlVfyW1MvmF7aA7E4Y3v43yThITUfD+BDC19+4e2jjCbLt40 vfxUkuJSMmuHWCr2 =hQET -----END PGP SIGNATURE----- Merge tag 'rpmsg-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull rpmsg updates from Bjorn Andersson: - Minor cleanup/refactor to the Qualcomm GLINK code, in order to add trace events related to the messages exchange with the remote side, useful for debugging a range of interoperability issues - Rewrite the nested structs with flexible array members in order to avoid the risk of invalid accesses * tag 'rpmsg-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: rpmsg: glink: Avoid -Wflex-array-member-not-at-end warnings rpmsg: glink: Introduce packet tracepoints rpmsg: glink: Pass channel to qcom_glink_send_close_ack() rpmsg: glink: Tidy up RX advance handling |
||
|
Linus Torvalds
|
5c480f1da8 |
remoteproc updates for v6.12
This adds remoteproc support for the Cortex M4F found in AM62x and AM64x
of the TI K3 family, support for the modem remoteproc in the Qualcomm
SDX75, and audio, compute and general-purpose DSPs of the Qualcomm
SA8775P.
The i.MX remoteproc driver gains support for blocking and non-blocking
mailbox transmissions, followed by the implementation of poweroff and
reboot mechanisms, using the same. This is followed by a few bug fixes
and minor improvements.
A few cleanups and bug fixes for the TI K3 DSP and R5F drivers are
introduced.
Support for mapping SRAM regions into the AMD-Xilinx Zynqmp R5 cores is
added.
The Ingenic, TI DA8xx, TI Keystone, TI K3, ST slim drivers are
simplified using devres helpers for various allocations.
Uses of of_{find,get}_property() are replaced with of_property_present()
where possible.
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Merge tag 'rproc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
- Add remoteproc support for the Cortex M4F found in AM62x and AM64x of
the TI K3 family, support for the modem remoteproc in the Qualcomm
SDX75, and audio, compute and general-purpose DSPs of the Qualcomm
SA8775P.
- Add support for blocking and non-blocking mailbox transmissions to
the i.MX remoteproc driver, and implement poweroff and reboot
mechanisms using them. Plus a few bug fixes and minor improvements.
- Cleanups and bug fixes for the TI K3 DSP and R5F drivers
- Support mapping SRAM regions into the AMD-Xilinx Zynqmp R5 cores
- Use devres helpers for various allocations in the Ingenic, TI DA8xx,
TI Keystone, TI K3, ST slim drivers
- Replace uses of of_{find,get}_property() with of_property_present()
where possible
* tag 'rproc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (25 commits)
remoteporc: ingenic: Use devm_platform_ioremap_resource_byname()
remoteproc: da8xx: Use devm_platform_ioremap_resource_byname()
remoteproc: st_slim: Use devm_platform_ioremap_resource_byname()
remoteproc: xlnx: Add sram support
remoteproc: k3-r5: Fix error handling when power-up failed
remoteproc: imx_rproc: Add support for poweroff and reboot
remoteproc: imx_rproc: Allow setting of the mailbox transmit mode
remoteproc: k3-r5: Delay notification of wakeup event
remoteproc: k3-m4: Add a remoteproc driver for M4F subsystem
remoteproc: k3: Factor out TI-SCI processor control OF get function
dt-bindings: remoteproc: k3-m4f: Add K3 AM64x SoCs
remoteproc: k3-dsp: Acquire mailbox handle during probe routine
remoteproc: k3-r5: Acquire mailbox handle during probe routine
remoteproc: k3-r5: Use devm_rproc_alloc() helper
remoteproc: qcom: pas: Add support for SA8775p ADSP, CDSP and GPDSP
remoteproc: qcom: pas: Add SDX75 remoteproc support
dt-bindings: remoteproc: qcom,sm8550-pas: document the SDX75 PAS
remoteproc: keystone: Use devm_rproc_alloc() helper
remoteproc: keystone: Use devm_kasprintf() to build name string
dt-bindings: remoteproc: xlnx,zynqmp-r5fss: Add missing "additionalProperties" on child nodes
...
|
||
|
Linus Torvalds
|
7bc21c5e1f |
VFIO updates for v6.12
- Remove several unused structure and function declarations, and unused
variables. (Dr. David Alan Gilbert, Yue Haibing, Zhang Zekun)
- Constify unmodified structure in mdev. (Hongbo Li)
- Convert to unsigned type to catch overflow with less fanfare than
passing a negative value to kcalloc(). (Dan Carpenter)
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Merge tag 'vfio-v6.12-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
"Just a few cleanups this cycle:
- Remove several unused structure and function declarations, and
unused variables (Dr. David Alan Gilbert, Yue Haibing, Zhang Zekun)
- Constify unmodified structure in mdev (Hongbo Li)
- Convert to unsigned type to catch overflow with less fanfare than
passing a negative value to kcalloc() (Dan Carpenter)"
* tag 'vfio-v6.12-rc1' of https://github.com/awilliam/linux-vfio:
vfio/pci: clean up a type in vfio_pci_ioctl_pci_hot_reset_groups()
vfio/mdev: Constify struct kobj_type
vfio: mdev: Remove unused function declarations
vfio/fsl-mc: Remove unused variable 'hwirq'
vfio/pci: Remove unused struct 'vfio_pci_mmap_vma'
|
||
|
Linus Torvalds
|
4491b85480 |
dma-mapping fixes for Linux 6.12
- sort out a few issues with the direct calls to iommu-dma
(Christoph Hellwig, Leon Romanovsky)
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Merge tag 'dma-mapping-6.12-2024-09-24' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
- sort out a few issues with the direct calls to iommu-dma (Christoph
Hellwig, Leon Romanovsky)
* tag 'dma-mapping-6.12-2024-09-24' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: report unlimited DMA addressing in IOMMU DMA path
iommu/dma: remove most stubs in iommu-dma.h
dma-mapping: fix vmap and mmap of noncontiougs allocations
|
||
|
Linus Torvalds
|
db78436bed |
iommufd 6.12 merge window pull
Collection of small cleanup and one fix:
- Sort headers and struct forward declarations
- Fix random selftest failures in some cases due to dirty tracking tests
- Have the reserved IOVA regions mechanism work when a HWPT is used as a
nesting parent. This updates the nesting parent's IOAS with the reserved
regions of the device and will also install the ITS doorbell page on
ARM.
- Add missed validation of parent domain ops against the current iommu
- Fix a syzkaller bug related to integer overflow during ALIGN()
- Tidy two iommu_domain attach paths
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Collection of small cleanup and one fix:
- Sort headers and struct forward declarations
- Fix random selftest failures in some cases due to dirty tracking
tests
- Have the reserved IOVA regions mechanism work when a HWPT is used
as a nesting parent. This updates the nesting parent's IOAS with
the reserved regions of the device and will also install the ITS
doorbell page on ARM.
- Add missed validation of parent domain ops against the current
iommu
- Fix a syzkaller bug related to integer overflow during ALIGN()
- Tidy two iommu_domain attach paths"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommu: Set iommu_attach_handle->domain in core
iommufd: Avoid duplicated __iommu_group_set_core_domain() call
iommufd: Protect against overflow of ALIGN() during iova allocation
iommufd: Reorder struct forward declarations
iommufd: Check the domain owner of the parent before creating a nesting domain
iommufd/device: Enforce reserved IOVA also when attached to hwpt_nested
iommufd/selftest: Fix buffer read overrrun in the dirty test
iommufd: Reorder include files
|
||
|
Linus Torvalds
|
54d7e8190e |
RDMA v6.12 merge window
Usual collection of small improvements and fixes:
- Bug fixes and minor improvments in cxgb4, siw, mlx5, rxe, efa, rts, hfi,
erdma, hns, irdma
- Code cleanups/typos/etc. Tidy alloc_ordered_workqueue() calls
- Multipath PCI for mlx5
- Variable size work queue, SRQ changes, and relaxed ordering for new bnxt HW
- New ODP fault resolution FW protocol in mlx5
- New "rdma monitor" netlink mechanism
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Usual collection of small improvements and fixes, nothing especially
stands out to me here.
The new multipath PCI feature is a sign of things to come, I think we
will see more of this in the next 10 years. Broadcom and HNS continue
to update their drivers for their new HW generations.
Summary:
- Bug fixes and minor improvments in cxgb4, siw, mlx5, rxe, efa, rts,
hfi, erdma, hns, irdma
- Code cleanups/typos/etc. Tidy alloc_ordered_workqueue() calls
- Multipath PCI for mlx5
- Variable size work queue, SRQ changes, and relaxed ordering for new
bnxt HW
- New ODP fault resolution FW protocol in mlx5
- New 'rdma monitor' netlink mechanism"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (99 commits)
RDMA/bnxt_re: Remove the unused variable en_dev
RDMA/nldev: Add missing break in rdma_nl_notify_err_msg()
RDMA/irdma: fix error message in irdma_modify_qp_roce()
RDMA/cxgb4: Added NULL check for lookup_atid
RDMA/hns: Fix ah error counter in sw stat not increasing
RDMA/bnxt_re: Recover the device when FW error is detected
RDMA/bnxt_re: Group all operations under add_device and remove_device
RDMA/bnxt_re: Use the aux device for L2 ULP callbacks
RDMA/bnxt_re: Change aux driver data to en_info to hold more information
RDMA/nldev: Expose whether RDMA monitoring is supported
RDMA/nldev: Add support for RDMA monitoring
RDMA/mlx5: Use IB set_netdev and get_netdev functions
RDMA/device: Remove optimization in ib_device_get_netdev()
RDMA/mlx5: Initialize phys_port_cnt earlier in RDMA device creation
RDMA/mlx5: Obtain upper net device only when needed
RDMA/mlx5: Check RoCE LAG status before getting netdev
RDMA/mlx5: Consider the query_vuid cap for data_direct
net/mlx5: Handle memory scheme ODP capabilities
RDMA/mlx5: Add implicit MR handling to ODP memory scheme
RDMA/mlx5: Add handling for memory scheme page fault events
...
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||
|
Linus Torvalds
|
6fa6588e59 |
sched_ext: Fixes for v6.12-rc1
- Three build fixes. - The fix for a stall bug introduced by a recent optimization in sched core (SM_IDLE). - Addition of /sys/kernel/sched_ext/enable_seq. While not a fix, it is a simple addition that distro people want to be able to tell whether an SCX scheduler has ever been loaded on the system. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZvGekA4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGdkDAP46Wbz7XOTIJHs4NV3sxAH1Kk3bmZHtzB0C0zb6 FChT3QEAzHFtY+mCtc/qJ6IMKizTDcgQ6V8zbCtXNuVxXxXMrAY= =uVPP -----END PGP SIGNATURE----- Merge tag 'sched_ext-for-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext fixes from Tejun Heo: - Three build fixes - The fix for a stall bug introduced by a recent optimization in sched core (SM_IDLE) - Addition of /sys/kernel/sched_ext/enable_seq. While not a fix, it is a simple addition that distro people want to be able to tell whether an SCX scheduler has ever been loaded on the system * tag 'sched_ext-for-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: sched_ext: Provide a sysfs enable_seq counter sched_ext: Fix build when !CONFIG_STACKTRACE sched, sched_ext: Disable SM_IDLE/rq empty path when scx_enabled() sched: Put task_group::idle under CONFIG_GROUP_SCHED_WEIGHT sched: Add dummy version of sched_group_set_idle() |
||
|
Linus Torvalds
|
3147a0689d |
for-6.12/io_uring-20240922
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Merge tag 'for-6.12/io_uring-20240922' of git://git.kernel.dk/linux
Pull more io_uring updates from Jens Axboe:
"Mostly just a set of fixes in here, or little changes that didn't get
included in the initial pull request. This contains:
- Move the SQPOLL napi polling outside the submission lock (Olivier)
- Rename of the "copy buffers" API that got added in the 6.12 merge
window. There's really no copying going on, it's just referencing
the buffers. After a bit of consideration, decided that it was
better to simply rename this to avoid potential confusion (me)
- Shrink struct io_mapped_ubuf from 48 to 32 bytes, by changing it to
start + len tracking rather than having start / end in there, and
by removing the caching of folio_mask when we can just calculate it
from folio_shift when we need it (me)
- Fixes for the SQPOLL affinity checking (me, Felix)
- Fix for how cqring waiting checks for the presence of task_work.
Just check it directly rather than check for a specific
notification mechanism (me)
- Tweak to how request linking is represented in tracing (me)
- Fix a syzbot report that deliberately sets up a huge list of
overflow entries, and then hits rcu stalls when flushing this list.
Just check for the need to preempt, and drop/reacquire locks in the
loop. There's no state maintained over the loop itself, and each
entry is yanked from head-of-list (me)"
* tag 'for-6.12/io_uring-20240922' of git://git.kernel.dk/linux:
io_uring: check if we need to reschedule during overflow flush
io_uring: improve request linking trace
io_uring: check for presence of task_work rather than TIF_NOTIFY_SIGNAL
io_uring/sqpoll: do the napi busy poll outside the submission block
io_uring: clean up a type in io_uring_register_get_file()
io_uring/sqpoll: do not put cpumask on stack
io_uring/sqpoll: retain test for whether the CPU is valid
io_uring/rsrc: change ubuf->ubuf_end to length tracking
io_uring/rsrc: get rid of io_mapped_ubuf->folio_mask
io_uring: rename "copy buffers" to "clone buffers"
|
||
|
Linus Torvalds
|
172d513936 |
Summary
* Bug fix: Avoid evaluating non-mount ctl_tables as a sysctl_mount_point by removing the unlikely (but possible) chance that the permanently empty ctl_table array shares its address with another ctl_table. * Update Joel Granados' contact info in MAINTAINERS. Testing * Bug fix merged to linux-next after 6.11-rc5 -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEErkcJVyXmMSXOyyeQupfNUreWQU8FAmbtUfsACgkQupfNUreW QU+ptAv+JEbJR+VMLDZk3xAm1iRvqyzpVank8pJGgdp3kSYPY1KdJqAHo+ZXAD1r jtJMwyI4ELIQ7NnLq50qUCPScdBpXpG73QVp8Foip43x0E/pOxiSiz5C0m4NbRsU cKQuiRauOpfqrNvh22TVB3jjpL4cZbRpyP1kpMgf8edn3YlhYhJ04oXjVUk+zMMA muUifAlUAUMhQiHOqLynA7ZObwlqY+QoiJF8v4IPAcynYk0ZKNBmqAAMdIoBF4c8 rrgtIt/xlaJB6a1usS9B5xFbamrlaNPaiA3ul+lUeMLcArtoB5gwMTz+AGLu46aB +RCjhXmY3LBvMD16eyY9cge/3Qud2jyoyh0Qp9wHhgJwsaDWlG51qzi+PHr8ZtV5 jdtk8QzHZs07JFsE2HabppCtrgNxnwPiwBS7xm45u/p8dZ7buCvtZm1MEjgHu9M/ 6iVSEs+/S3+AZMz+/K3WaqaP/kYhXklwT16xN7b1+oxLNFfJ2RLcx0Xc7yZpGwRM 8YbaGnR2 =85Xa -----END PGP SIGNATURE----- Merge tag 'sysctl-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl Pull sysctl update from Joel Granados: - Avoid evaluating non-mount ctl_tables as a sysctl_mount_point by removing the unlikely (but possible) chance that the permanently empty ctl_table array shares its address with another ctl_table - Update Joel Granados' contact info in MAINTAINERS * tag 'sysctl-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl: MAINTAINERS: update email for Joel Granados sysctl: avoid spurious permanent empty tables |
||
|
Linus Torvalds
|
97d8894b6f |
RISC-V Patches for the 6.12 Merge Window, Part 1
* Support for using Zkr to seed KASLR. * Support for IPI-triggered CPU backtracing. * Support for generic CPU vulnerabilities reporting to userspace. * A few cleanups for missing licenses. * The size limit on the XIP kernel has been removed. * Support for tracing userspace stacks. * Support for the Svvptc extension. * Various cleanups and fixes throughout the tree. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmbykZITHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiTDLEACABTPlMX+Ke1lMYWj6MLBTXMSlQJ6w TKLVk3slp4POPsd+ViWy4J6EJDpCkNp6iK30Bv4AGainA3RJnbS7neKYy+MTw0ZV pJWTn73sxHeF+APnZ+geFYcmyteL/SZplgHgwLipFaojs7i/+tOvLFRRD3LueCz6 Q6Muvke9R5uN6LL3tUrmIhJeyZjOwJtKEYoRz6Fo5Tq3RRK0VHYZkdpqRQ86rr9U yNbRNlBLlANstq8xjtiwm22ImPGIsvvhs0AvFft0H72zhf3Tfy0VcTLlDJYwkdKN Bz59v4N4jg1ajXuAsj4/BQdj5uRkzJNZ3Yq1yvMmGI+2UV1tInHEMeZi63+4gs8F 0FYCziA+j6/08u8v8CrwdDOpJ9Iq/NMV6359bt5ySu3rM6QnPRGnHGkv4Ptk9Oyh sSPiuHS8YxpRBOB8xXNp5xFipTZ4+65VqCz253pAsbbp5aZ/o9Jw/bbBFFWcSsRZ tV2xhELVzPiC7dowfYkQhcNZOLlCaJ/Mvo2nMOtjbUwzaXkcjIRcYEy7+dTlfXyr 3h5sStjWAKEmtLEvCYSI+lAT544tbV1x+lCMJGuvztapsTMtAP4GpQKblXl5qqnV L+VWIPJV1elI26H/p/Max9Z1s48NtfwoJSRL7Rnaya6uJ3iWG/BtajHlFbvgOkJf ObPZ//Yr9e91gg== =zDwL -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-6.12-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - Support using Zkr to seed KASLR - Support IPI-triggered CPU backtracing - Support for generic CPU vulnerabilities reporting to userspace - A few cleanups for missing licenses - The size limit on the XIP kernel has been removed - Support for tracing userspace stacks - Support for the Svvptc extension - Various cleanups and fixes throughout the tree * tag 'riscv-for-linus-6.12-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (47 commits) crash: Fix riscv64 crash memory reserve dead loop perf/riscv-sbi: Add platform specific firmware event handling tools: Optimize ring buffer for riscv tools: Add riscv barrier implementation RISC-V: Don't have MAX_PHYSMEM_BITS exceed phys_addr_t ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE riscv: Enable bitops instrumentation riscv: Omit optimized string routines when using KASAN ACPI: RISCV: Make acpi_numa_get_nid() to be static riscv: Randomize lower bits of stack address selftests: riscv: Allow mmap test to compile on 32-bit riscv: Make riscv_isa_vendor_ext_andes array static riscv: Use LIST_HEAD() to simplify code riscv: defconfig: Disable RZ/Five peripheral support RISC-V: Implement kgdb_roundup_cpus() to enable future NMI Roundup riscv: avoid Imbalance in RAS riscv: cacheinfo: Add back init_cache_level() function riscv: Remove unused _TIF_WORK_MASK drivers/perf: riscv: Remove redundant macro check riscv: define ILLEGAL_POINTER_VALUE for 64bit ... |
||
|
Linus Torvalds
|
7108fff884 |
m68knommu: updates and fixes for v6.12
Fixes include: . remove trailing space in pr_debug message -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEmsfM6tQwfNjBOxr3TiQVqaG9L4AFAmbyPXYQHGdlcmdAa2Vy bmVsLm9yZwAKCRBOJBWpob0vgILHD/9WzXnx0owBfeAd4JetW5Suuo2k4CENj3Rg 0Bi8Jua7vHgs1rlWWSQXcq+ssz5axHjJy5Yth5/yXkjy6f5SNjuXFwU5yPPaL/h7 TrJbGDmU2xNF6lMxjvim5OIHJjuPkaHoFBJuo6kr3Q32Jg+4LOiGOyHtek1zKjk2 kTKGbt7DZYQflWAptmw3vOmBKWFsyudpfwZWpg5k9ukqCz4aySeHd1b0lvBnJCIV dtyw64+uCJiufgzROkmkad8Qh9wQ/sfQESn0nzXVyrFKcTEsrin1Us3vor0n/91I e5ksWIsTdx7GSh4sECHzKq+BRniFkFsuLD87x7+iJ2EVQQMPXBxYdKQHUVvsP16K MNre2ALqvpNdsmIOBMcRQhLrHeJYiC0uWVSRobfUklATXfCa5Z+hFwP26G475wGN qr6U1yPMAMfhll2swRBFQxyjrG1Z+9jp9bchbbRuJxFA0wMZ8yqdwyAWBQ5DPEbT J5BXlh//tDh1OgLZcuT+bWOmeAkU26bTOdC+Fk/lUI+tH55JX/sdbGQne/5XhHtP fQXFJMt7R+cbNjnTeioNb2GpNgLRl4QA9YjE5TeZZCHBUvEt0z+FCiticYtowXIs ybZQqoQFe9jLDnSC2qO40NCY3q0rys0KuzKtN8GAqZVnEwfTTz7vO3ijXiT0m1g/ HzaGNcZolw== =3Xnz -----END PGP SIGNATURE----- Merge tag 'm68knommu-for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu fixlet from Greg Ungerer: "Only a single change, cleaning up white space in debug message" * tag 'm68knommu-for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: remove trailing space after \n newline |
||
|
Linus Torvalds
|
1cfb46051d |
This push fixes the following issues:
- Disable buggy p10 aes-gcm code on powerpc. - Fix module aliases in paes_s390. - Fix buffer overread in caam. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmbukjcACgkQxycdCkmx i6eCRRAAkGxU0E3oq4CzZT4kH1NUBKM6Tn9TtpW2EdLQVOUtR8GEAgb3yQ3hfKpP 0oHp4egWIjsYvCl1L2NqZl3H5cO+kIH3JRMZhhgySZiwSSVo6Ld7YARPf60wL/W0 UeviJIz9ZeJtwzhyMaJ8n6BPmbJAlwV34LZ1CMx6OnhfCiJKBzsiJvcmV0ztrXeh +kpZAh/qOa0fi1mcNRc7Yyd5POhLLIJ7BjLgmUlgGvUow2uSYUv/aAHVq2W/2RPR oENMxjvP5y52bbV7EkzTR+xZR99EpvvqkxTTSt/++w8t6cisqLndP8Kocb8LEXLI JDP1z9VvC3Qi1F0z9bfeYfsK0xHhukeinFHVk+twHKpTvErV2b67A2jfF4JIKbYv b7wZz/Tat/P1Vap/CzE3RG/3a/jnchHn2fjJpSpjitSZSL1nwY6HTHdC708ZHjNr oNVGN9KcusKdG73SSik7K6lRrQZijDcSx6iedzZkfteK5e5PZAEeIm55/GnFb9Xj XpYQVgBnaAJ7cRJNckG02B88N3kbdvrjKSQb2ypMYfpXBCAnls8QBWEv58sfGWR+ qmxQN1d0GcLwUEDXHB/lhJBgQP8WvgZOJx2TMMZKmZUV4mFtKminszMhnYfmECW1 wHEygk4EKUt4xi2emDSMWI8jP7LTqQUCWTydZYJPrJkGH9WMJJQ= =nanf -----END PGP SIGNATURE----- Merge tag 'v6.12-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: - Disable buggy p10 aes-gcm code on powerpc - Fix module aliases in paes_s390 - Fix buffer overread in caam * tag 'v6.12-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: powerpc/p10-aes-gcm - Disable CRYPTO_AES_GCM_P10 crypto: s390/paes - Fix module aliases crypto: caam - Pad SG length when allocating hash edesc |
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Linus Torvalds
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e1b061b444 |
Landlock updates for v6.12-rc1
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCZvGpchAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSTzMBAIpcYKf75IyC4DXqiXlko508YdyI2YfYeWdd 5yVZbSHgAP0aEFO4AOvJ26pPlGF+8zVIHq+HNAhrAalZBulxASePCA== =nsAF -----END PGP SIGNATURE----- Merge tag 'landlock-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock updates from Mickaël Salaün: "We can now scope a Landlock domain thanks to a new "scoped" field that can deny interactions with resources outside of this domain. The LANDLOCK_SCOPE_ABSTRACT_UNIX_SOCKET flag denies connections to an abstract UNIX socket created outside of the current scoped domain, and the LANDLOCK_SCOPE_SIGNAL flag denies sending a signal to processes outside of the current scoped domain. These restrictions also apply to nested domains according to their scope. The related changes will also be useful to support other kind of IPC isolations" * tag 'landlock-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: landlock: Document LANDLOCK_SCOPE_SIGNAL samples/landlock: Add support for signal scoping selftests/landlock: Test signal created by out-of-bound message selftests/landlock: Test signal scoping for threads selftests/landlock: Test signal scoping landlock: Add signal scoping landlock: Document LANDLOCK_SCOPE_ABSTRACT_UNIX_SOCKET samples/landlock: Add support for abstract UNIX socket scoping selftests/landlock: Test inherited restriction of abstract UNIX socket selftests/landlock: Test connected and unconnected datagram UNIX socket selftests/landlock: Test UNIX sockets with any address formats selftests/landlock: Test abstract UNIX socket scoping selftests/landlock: Test handling of unknown scope landlock: Add abstract UNIX socket scoping |