Messages in this thread | | | From | Andrey Konovalov <> | Date | Thu, 11 Jan 2024 16:01:37 +0100 | Subject | Re: [linus:master] [kasan] a414d4286f: INFO:trying_to_register_non-static_key |
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On Thu, Jan 11, 2024 at 4:00 PM Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> wrote: > > Commit a414d4286f34 ("kasan: handle concurrent kasan_record_aux_stack calls") > calls raw_spin_lock_init(&alloc_meta->aux_lock) after __memset() in > kasan_init_object_meta(), but does not call raw_spin_lock_init() after __memset() > in release_alloc_meta(), resulting in lock map information being zeroed out? > > We should not zero out the whole sizeof(struct kasan_alloc_meta) bytes from > release_alloc_meta() in order not to undo raw_spin_lock_init() from > kasan_init_object_meta() ?
Yes, already sent a fix:
https://lore.kernel.org/linux-mm/20240109221234.90929-1-andrey.konovalov@linux.dev/
Thank you!
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