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Commit d041b557 authored by Andrey Ryabinin's avatar Andrey Ryabinin Committed by Herbert Xu
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crypto: x86/sha1-mb - fix panic due to unaligned access



struct sha1_ctx_mgr allocated in sha1_mb_mod_init() via kzalloc()
and later passed in sha1_mb_flusher_mgr_flush_avx2() function where
instructions vmovdqa used to access the struct. vmovdqa requires
16-bytes aligned argument, but nothing guarantees that struct
sha1_ctx_mgr will have that alignment. Unaligned vmovdqa will
generate GP fault.

Fix this by replacing vmovdqa with vmovdqu which doesn't have alignment
requirements.

Fixes: 2249cbb5 ("crypto: sha-mb - SHA1 multibuffer submit and flush routines for AVX2")
Signed-off-by: default avatarAndrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 5dfeaac1
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