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linux/crypto/shash.c
Herbert Xu 0a84874c7e crypto: shash - Fix buffer overrun in import function 
Only set the partial block length to zero if the algorithm is
block-only.  Otherwise the descriptor context could be empty,
e.g., for digest_null.

Reported-by: syzbot+4851c19615d35f0e4d68@syzkaller.appspotmail.com
Fixes: 7650f826f7 ("crypto: shash - Handle partial blocks in API")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-27 13:43:32 +08:00

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