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

[mirror_ubuntu-bionic-kernel.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;