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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 A7E72C433E6 for ; Mon, 18 Jan 2021 16:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 730B222B49 for ; Mon, 18 Jan 2021 16:24:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406635AbhARQYa (ORCPT ); Mon, 18 Jan 2021 11:24:30 -0500 Received: from m12-11.163.com ([220.181.12.11]:50469 "EHLO m12-11.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406556AbhARQYN (ORCPT ); Mon, 18 Jan 2021 11:24:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=qIeErAOk1NQJAq88EV HMFkXWThvbehNJtjlP9gEFWbc=; b=eyMeJbze5i3iu0YDplxlOeV/zbqNpLHvTf EzNKsLtozX703KK+SMty3xUEUvhF8294dME4Umzj+Yz+QRZsMFBMz7CQNjFP6UHU G2NuSuSgb3pNqnZut3aKmeB+MC0fw488MpNHTSV/yf8sjjg5O/FdphlTgy7ssvnQ oxufizzug= Received: from localhost.localdomain (unknown [119.3.119.20]) by smtp7 (Coremail) with SMTP id C8CowAAXZ69peQVg6luuJQ--.37554S4; Mon, 18 Jan 2021 20:05:05 +0800 (CST) From: Pan Bian To: Jan Kara , Andrew Morton Cc: linux-kernel@vger.kernel.org, Pan Bian Subject: [PATCH] isofs: release buffer head before return Date: Mon, 18 Jan 2021 04:04:55 -0800 Message-Id: <20210118120455.118955-1-bianpan2016@163.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: C8CowAAXZ69peQVg6luuJQ--.37554S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrWw4DtF4fXry7ZF1kKF4xtFb_yoWxArc_WF ykXF4v9r4IqFW7AwsxAFy3Ar1F9a4kCr1fAwsayFZxGryYyr9aqrWDArnxArsxCFWxKasx ArZ8ZFW2yr13KjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUjX18JUUUUU== X-Originating-IP: [119.3.119.20] X-CM-SenderInfo: held01tdqsiiqw6rljoofrz/1tbiVBIeclUMPVV6wwAAsi Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Release the buffer header before returning error code. Fixes: 2deb1acc653c ("isofs: fix access to unallocated memory when reading corrupted filesystem") Signed-off-by: Pan Bian --- fs/isofs/dir.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c index f0fe641893a5..b9e6a7ec78be 100644 --- a/fs/isofs/dir.c +++ b/fs/isofs/dir.c @@ -152,6 +152,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *file, printk(KERN_NOTICE "iso9660: Corrupted directory entry" " in block %lu of inode %lu\n", block, inode->i_ino); + brelse(bh); return -EIO; } -- 2.17.1