4.15-stable review patch. If anyone has any objections, please let me know.
------------------ From: Herbert Xu <[email protected]> commit 8c9bdab21289c211ca1ca6a5f9b7537b4a600a02 upstream. The buffer rctx->ext contains potentially sensitive data and should be freed with kzfree. Cc: <[email protected]> Fixes: 700cb3f5fe75 ("crypto: lrw - Convert to skcipher") Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Herbert Xu <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- crypto/lrw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -313,7 +313,7 @@ static void exit_crypt(struct skcipher_r rctx->left = 0; if (rctx->ext) - kfree(rctx->ext); + kzfree(rctx->ext); } static int do_encrypt(struct skcipher_request *req, int err)
