crypto: lrw - Free rctx->ext with kzfree

The buffer rctx->ext contains potentially sensitive data and should be freed with kzfree. Cc: <[email protected]> Fixes: 700cb3f ("crypto: lrw - Convert to skcipher") Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
noroot · Mar 30, 2018 · 8c9bdab · 8c9bdab
1 parent 2b12273
commit 8c9bdab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/lrw.c b/crypto/lrw.c
@@ -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)