From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30480C433F5 for ; Thu, 16 Sep 2021 17:52:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B27A61056 for ; Thu, 16 Sep 2021 17:52:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357101AbhIPRvZ (ORCPT ); Thu, 16 Sep 2021 13:51:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:53764 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353976AbhIPRh7 (ORCPT ); Thu, 16 Sep 2021 13:37:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D18186323D; Thu, 16 Sep 2021 16:50:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631811013; bh=iI3Nf3pgp84K2U+TapAd91phHv3h5a6aFXdCgxuUWqo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L3WE9IH8TEFzYNA6OLzRP7bDEhZ+VUEyqEO/rdA3ZV2S4QfnVoFHVuCaYlxcg6Rt1 K8MjfdiMhSYRV2Yxjw70jJuQXOtFuHi3UCuvZ4yvsxi7cLjEv9oOiqAb6sHFUwpGZu aeveQz3QZ7ePPPEU2v/ZIwhePtTWHhYdF1u+lwxU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ding Hui , "Paulo Alcantara (SUSE)" , Steve French , Sasha Levin Subject: [PATCH 5.14 352/432] cifs: fix wrong release in sess_alloc_buffer() failed path Date: Thu, 16 Sep 2021 18:01:41 +0200 Message-Id: <20210916155822.749986171@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210916155810.813340753@linuxfoundation.org> References: <20210916155810.813340753@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ding Hui [ Upstream commit d72c74197b70bc3c95152f351a568007bffa3e11 ] smb_buf is allocated by small_smb_init_no_tc(), and buf type is CIFS_SMALL_BUFFER, so we should use cifs_small_buf_release() to release it in failed path. Signed-off-by: Ding Hui Reviewed-by: Paulo Alcantara (SUSE) Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/cifs/sess.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index c5785fd3f52e..606fd7d6cb71 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -877,7 +877,7 @@ sess_alloc_buffer(struct sess_data *sess_data, int wct) return 0; out_free_smb_buf: - kfree(smb_buf); + cifs_small_buf_release(smb_buf); sess_data->iov[0].iov_base = NULL; sess_data->iov[0].iov_len = 0; sess_data->buf0_type = CIFS_NO_BUFFER; -- 2.30.2