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authorAndrey Ryabinin <aryabinin@virtuozzo.com>2017-10-16 17:51:31 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2017-11-03 14:35:35 +0100
commitd041b557792c85677f17e08eee535eafbd6b9aa2 (patch)
tree742eabbecc54216d4acb6f7ed0e06cb6cea622d9 /crypto
parentcrypto: x86/sha256-mb - fix panic due to unaligned access (diff)
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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: 2249cbb53ead ("crypto: sha-mb - SHA1 multibuffer submit and flush routines for AVX2") Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: <stable@vger.kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
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