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[CRYPTO] api: fix writting into unallocated memory in setkey_aligned
[firefly-linux-kernel-4.4.55.git]
/
crypto
/
cipher.c
diff --git
a/crypto/cipher.c
b/crypto/cipher.c
index 0b2650c2014be315703365cd8e040d380c6d447b..fc6b46f2a9b0d495724f32113e18652498cf1035 100644
(file)
--- 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;