crypto: lrw - Free rctx->ext with kzfree

commit 8c9bdab21289c211ca1ca6a5f9b7537b4a600a02 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years ago · 77827f3d63
parent 3c6096ca8e
commit 77827f3d63
1 changed files with 1 additions and 1 deletions
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@ -313,7 +313,7 @@ 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)