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

[mirror_ubuntu-zesty-kernel.git] / crypto / blkcipher.c

diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 40a3dcff15bb89a95ffc4377eb22dc1e24f46e6c..7755834b8846e450d53cac256032295ed7b88830 100644 (file)
--- 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;
 }