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 905CCC4360F for ; Thu, 4 Apr 2019 09:42:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59B2E2075E for ; Thu, 4 Apr 2019 09:42:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554370941; bh=2AUYNOR6M6y5fgXj7UzFkNiN/LlzH9BWPxMNBOWiswU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kfLIkl8lPOJ06k/H5coTwVgiNKVYsFBDIWeVcelip3MmQP7MwAuW+LthGCS0J/yBg vBYF96p1LdI/xMBPaYUUvTIQbWAuhlQTYDpqmXJ6XyPo/VKy05mkQC/l+oukwUxdr1 skq0NAKcYd/tdVxoSkuMV/VCwvcv0JoSez5McY38= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730403AbfDDJBi (ORCPT ); Thu, 4 Apr 2019 05:01:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:38726 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729984AbfDDJBe (ORCPT ); Thu, 4 Apr 2019 05:01:34 -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 1E2392147C; Thu, 4 Apr 2019 09:01:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554368493; bh=2AUYNOR6M6y5fgXj7UzFkNiN/LlzH9BWPxMNBOWiswU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T+zBJpzpqhivjuThlH0ToiMQcqOQrEeZ+xFTTbPgLHjE3MH38D7qI/r4SmMen2yIy QSaC7yBskjVwS6iLdnMRZq4QvdnTCm/AGVNhqc3JAKupdYgRaub7YaAGiM2mZ9CqoV ALJPoD28S8eyWFZjRiG0bUs1P6+3spxFJDr2NwBw= 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 4.19 044/187] jbd2: fix invalid descriptor block checksum Date: Thu, 4 Apr 2019 10:46:21 +0200 Message-Id: <20190404084605.156532712@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190404084603.119654039@linuxfoundation.org> References: <20190404084603.119654039@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 4.19-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 150cc030b4d7..65ea0355a4f6 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -691,9 +691,11 @@ 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