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[CRYPTO] api: fix writting into unallocated memory in setkey_aligned

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setkey_unaligned() commited in ca7c39385c
overwrites unallocated memory in the following memset() because
I used the wrong buffer length.

Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Sebastian Siewior
2007-08-03 20:33:47 +08:00
committed by Herbert Xu
parent d4ac2477fa
commit 0681717678
4 changed files with 4 additions and 4 deletions
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2
crypto/hash.c
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@@ -40,7 +40,7 @@ static int hash_setkey_unaligned(struct crypto_hash *crt, const u8 *key,
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
ret = alg->setkey(crt, alignbuffer, keylen);
memset(alignbuffer, 0, absize);
memset(alignbuffer, 0, keylen);
kfree(buffer);
return ret;
}