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=-20.2 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 88464C4332F for ; Mon, 20 Sep 2021 17:07:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 731446137B for ; Mon, 20 Sep 2021 17:07:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245166AbhITRJI (ORCPT ); Mon, 20 Sep 2021 13:09:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:58130 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346366AbhITRHE (ORCPT ); Mon, 20 Sep 2021 13:07:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EC22B6137A; Mon, 20 Sep 2021 16:55:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632156922; bh=dTsEYmOqiKMEA1kAAcVAf3A056PrnmdV4UpiscEpHoE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vBRTpwXZCwiE2ul4JUHRoVTAOrQcfVvfWHbHF/lR5POn78cz41FZ1/OdfbhpJrIF6 LwpcyNOZc/T5viiTtkvgJoKWNhFEEBMg6JEMeHcwFT87zTpum670/9OYr3GGSkaFGO 2WmoE8deH86gjU5nbfDK4CMFiFEXBzJrwDGVfEV8= 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 4.9 140/175] cifs: fix wrong release in sess_alloc_buffer() failed path Date: Mon, 20 Sep 2021 18:43:09 +0200 Message-Id: <20210920163922.653955899@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163918.068823680@linuxfoundation.org> References: <20210920163918.068823680@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 bb208076cb71..aeec5a896ea6 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -602,7 +602,7 @@ 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