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=-19.4 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, URIBL_BLOCKED,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 6C05AC07E9B for ; Mon, 12 Jul 2021 08:08:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D81261627 for ; Mon, 12 Jul 2021 08:08:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233478AbhGLILj (ORCPT ); Mon, 12 Jul 2021 04:11:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:48790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346740AbhGLHbE (ORCPT ); Mon, 12 Jul 2021 03:31:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A3A5960230; Mon, 12 Jul 2021 07:28:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626074897; bh=WQ/ih1cYoLdpNtQxJ53MDWCz+0xMbl4glKAZ459ME+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p8EA3xprYBhTXRNG+S2iCSCJcrYvaKSXuu+Yz9WEOoz5kzh1i/CaWnE2HiddFHTyS Dfsbr3VfSN1mNxKQqtHWXmzwosCRJPySSSpZMG6W3hFT4I6BKnAAxFmnrzum5ZDKva xHIm3s8rPwFJcdH8oFSZY7q8tJTNbHxQEj5g8eZM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jing Xiangfeng , Andreas Gruenbacher Subject: [PATCH 5.13 033/800] gfs2: Fix error handling in init_statfs Date: Mon, 12 Jul 2021 08:00:56 +0200 Message-Id: <20210712060917.908204450@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@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: Andreas Gruenbacher commit 5d49d3508b3c67201bd3e1bf7f4ef049111b7051 upstream. On an error path, init_statfs calls iput(pn) after pn has already been put. Fix that by setting pn to NULL after the initial iput. Fixes: 97fd734ba17e ("gfs2: lookup local statfs inodes prior to journal recovery") Cc: stable@vger.kernel.org # v5.10+ Reported-by: Jing Xiangfeng Signed-off-by: Andreas Gruenbacher Signed-off-by: Greg Kroah-Hartman --- fs/gfs2/ops_fstype.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -687,6 +687,7 @@ static int init_statfs(struct gfs2_sbd * } iput(pn); + pn = NULL; ip = GFS2_I(sdp->sd_sc_inode); error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &sdp->sd_sc_gh);