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| author | Minghao Chi <chi.minghao@zte.com.cn> | 2022-02-04 07:49:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-08 20:34:03 +0300 |
| commit | 45ba0a5fa0a6be00163eef3fb32234b8f105b7bf (patch) | |
| tree | 6a577be57cc64b67df5883abd8e24b50013b4299 /fs/sysv | |
| parent | b8d9e0aec15830f6e0cb8a2756da35c26e795487 (diff) | |
| download | linux-45ba0a5fa0a6be00163eef3fb32234b8f105b7bf.tar.xz | |
ipc/sem: do not sleep with a spin lock held
commit 520ba724061cef59763e2b6f5b26e8387c2e5822 upstream.
We can't call kvfree() with a spin lock held, so defer it.
Link: https://lkml.kernel.org/r/20211223031207.556189-1-chi.minghao@zte.com.cn
Fixes: fc37a3b8b438 ("[PATCH] ipc sem: use kvmalloc for sem_undo allocation")
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Yang Guang <cgel.zte@gmail.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Cc: Vasily Averin <vvs@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/sysv')
0 files changed, 0 insertions, 0 deletions