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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,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 D22F2C4360F for ; Thu, 4 Apr 2019 09:10:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B78E20652 for ; Thu, 4 Apr 2019 09:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554369030; bh=iDGQD9qiaYfPJgmJlsBcjonOvoZufFMvJKajNQ+v5xE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iHUSk0zx2NwxEn4aF976bqe/y5MBYxZsd9WWXSM1iA/wGllzD9672lOjRhsOTbuP2 tnx/nuRWAoPk2aOSG18vtm9jBWJ7q0pAcRjpwesar/uJHBfZ2PFfZ6hsSTmZohVmUB M0FmXIk0mr2oUiZDbMAOBe8MCmTrfaJSehiH6zMg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733024AbfDDJK3 (ORCPT ); Thu, 4 Apr 2019 05:10:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:50146 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730867AbfDDJK0 (ORCPT ); Thu, 4 Apr 2019 05:10:26 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E263720693; Thu, 4 Apr 2019 09:10:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554369026; bh=iDGQD9qiaYfPJgmJlsBcjonOvoZufFMvJKajNQ+v5xE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dACTriJwNwdzXulR4FuEKgF5PwxyY1cTsdAymPPzIQ7L+GDIaV/+1Q07adsL7Zo3r ggpyLm0yxXXYhzRkmsdvvLRIER7MArhALvasPjL2jl/LISLHIhp6kWpW8SdRs/Mfm2 fvHOc5DiYfXFDhqJPgbWJ/J3Q01+YeyTkef2tNko= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, luojiajun , Theodore Tso , Jan Kara , Sasha Levin Subject: [PATCH 5.0 053/246] jbd2: fix invalid descriptor block checksum Date: Thu, 4 Apr 2019 10:45:53 +0200 Message-Id: <20190404084620.874016268@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190404084619.236418459@linuxfoundation.org> References: <20190404084619.236418459@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 6e876c3dd205d30b0db6850e97a03d75457df007 ] In jbd2_journal_commit_transaction(), if we are in abort mode, we may flush the buffer without setting descriptor block checksum by goto start_journal_io. Then fs is mounted, jbd2_descriptor_block_csum_verify() failed. [ 271.379811] EXT4-fs (vdd): shut down requested (2) [ 271.381827] Aborting journal on device vdd-8. [ 271.597136] JBD2: Invalid checksum recovering block 22199 in log [ 271.598023] JBD2: recovery failed [ 271.598484] EXT4-fs (vdd): error loading journal Fix this problem by keep setting descriptor block checksum if the descriptor buffer is not NULL. This checksum problem can be reproduced by xfstests generic/388. Signed-off-by: luojiajun Signed-off-by: Theodore Ts'o Reviewed-by: Jan Kara Signed-off-by: Sasha Levin --- fs/jbd2/commit.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 2eb55c3361a8..efd0ce9489ae 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -694,9 +694,11 @@ void jbd2_journal_commit_transaction(journal_t *journal) the last tag we set up. */ tag->t_flags |= cpu_to_be16(JBD2_FLAG_LAST_TAG); - - jbd2_descriptor_block_csum_set(journal, descriptor); start_journal_io: + if (descriptor) + jbd2_descriptor_block_csum_set(journal, + descriptor); + for (i = 0; i < bufs; i++) { struct buffer_head *bh = wbuf[i]; /* -- 2.19.1