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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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Sebastian Siewior 2007-08-03 20:33:47 +08:00 • committed by Herbert Xu
commit 0681717678
4 changed files with 4 additions and 4 deletions
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2
crypto/cipher.c
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@ -36,7 +36,7 @@ static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, unsigned int
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
ret = cia->cia_setkey(tfm, alignbuffer, keylen);
memset(alignbuffer, 0, absize);
memset(alignbuffer, 0, keylen);
kfree(buffer);
return ret;