crypto: lrw - Free rctx->ext with kzfree

The buffer rctx->ext contains potentially sensitive data and should
be freed with kzfree.

Cc: <stable@vger.kernel.org>
Fixes: 700cb3f5fe ("crypto: lrw - Convert to skcipher")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2018-03-23 08:14:44 +08:00
parent 2b1227301a
commit 8c9bdab212

View File

@ -317,7 +317,7 @@ static void exit_crypt(struct skcipher_request *req)
rctx->left = 0;
if (rctx->ext)
kfree(rctx->ext);
kzfree(rctx->ext);
}
static int do_encrypt(struct skcipher_request *req, int err)