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authorSebastian Siewior <sebastian@breakpoint.cc>2007-08-03 20:33:47 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2007-08-06 15:33:56 +0800
commit06817176784f620984200dc5d7cbe16984f7b262 (patch)
tree42de1788711cff6832c99a4f6a6518bb4f316935 /crypto
parentd4ac2477fad0f2680e84ec12e387ce67682c5c13 (diff)
downloadlinux-linaro-06817176784f620984200dc5d7cbe16984f7b262.tar.gz
[CRYPTO] api: fix writting into unallocated memory in setkey_aligned
setkey_unaligned() commited in ca7c39385ce1a7b44894a4b225a4608624e90730 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>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/ablkcipher.c2
-rw-r--r--crypto/blkcipher.c2
-rw-r--r--crypto/cipher.c2
-rw-r--r--crypto/hash.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 1c166b47b4c..3dbb1cc6eab 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -35,7 +35,7 @@ static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key, unsign
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
ret = cipher->setkey(tfm, alignbuffer, keylen);
- memset(alignbuffer, 0, absize);
+ memset(alignbuffer, 0, keylen);
kfree(buffer);
return ret;
}
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 40a3dcff15b..7755834b884 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -352,7 +352,7 @@ 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 = cipher->setkey(tfm, alignbuffer, keylen);
- memset(alignbuffer, 0, absize);
+ memset(alignbuffer, 0, keylen);
kfree(buffer);
return ret;
}
diff --git a/crypto/cipher.c b/crypto/cipher.c
index 0b2650c2014..fc6b46f2a9b 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -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;
diff --git a/crypto/hash.c b/crypto/hash.c
index 4d75ca7b57b..4fd470bd729 100644
--- a/crypto/hash.c
+++ b/crypto/hash.c
@@ -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;
}