From patchwork Thu Jan 5 21:15:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lakshmipathi.G" X-Patchwork-Id: 9499689 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8DD3060413 for ; Thu, 5 Jan 2017 21:17:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7098A28473 for ; Thu, 5 Jan 2017 21:17:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6400328479; Thu, 5 Jan 2017 21:17:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B65AF28473 for ; Thu, 5 Jan 2017 21:17:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936762AbdAEVRK (ORCPT ); Thu, 5 Jan 2017 16:17:10 -0500 Received: from smtpq6.tb.mail.iss.as9143.net ([212.54.42.169]:36660 "EHLO smtpq6.tb.mail.iss.as9143.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936659AbdAEVRI (ORCPT ); Thu, 5 Jan 2017 16:17:08 -0500 Received: from [212.54.42.118] (helo=lsmtp4.tb.mail.iss.as9143.net) by smtpq6.tb.mail.iss.as9143.net with esmtp (Exim 4.86_2) (envelope-from ) id 1cPFOK-00034x-66 for linux-btrfs@vger.kernel.org; Thu, 05 Jan 2017 22:16:08 +0100 Received: from dhcp-077-251-197-105.chello.nl ([77.251.197.105] helo=webminal.org) by lsmtp4.tb.mail.iss.as9143.net with esmtp (Exim 4.86_2) (envelope-from ) id 1cPFO9-00068x-O2 for linux-btrfs@vger.kernel.org; Thu, 05 Jan 2017 22:16:08 +0100 Received: from localhost.localdomain (fedori [127.0.0.1]) by webminal.org (8.14.4/8.14.4) with ESMTP id v05LFNNJ021730 for ; Thu, 5 Jan 2017 22:15:33 +0100 Received: (from root@localhost) by localhost.localdomain (8.14.4/8.14.4/Submit) id v05LFDir021676 for linux-btrfs@vger.kernel.org; Thu, 5 Jan 2017 22:15:13 +0100 Date: Thu, 5 Jan 2017 22:15:13 +0100 From: "Lakshmipathi.G" To: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs-progs: fsck-tests: corrupt and detect dir_item name (with fix) Message-ID: <20170105211513.GA19134@fedori> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-SourceIP: 77.251.197.105 X-Ziggo-spambar: / X-Ziggo-spamscore: 0.0 X-Ziggo-spamreport: CMAE Analysis: v=2.2 cv=LctM0nXi c=1 sm=1 tr=0 a=xM537bmGHqxVMGguserW4w==:17 a=kj9zAlcOel0A:10 a=IgFoBzBjUZAA:10 a=Ii29zHd6AAAA:8 a=W91Ufb_VNfdF0NY1secA:9 a=CjuIK1q_8ugA:10 a=hUl28ISp9AlOTif-od5a:22 none X-Ziggo-Spam-Status: No Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Please ignore previous 026-dir-item-name-corruption script,it breaks fsck-tests.sh. Use this one instead. This test script aims to detects the corruption even though looks like --repair wont fix the issue. Signed-off-by: Lakshmipathi.G --- .../026-dir-item-name-corruption/test.sh | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100755 tests/fsck-tests/026-dir-item-name-corruption/test.sh diff --git a/tests/fsck-tests/026-dir-item-name-corruption/test.sh b/tests/fsck-tests/026-dir-item-name-corruption/test.sh new file mode 100755 index 0000000..6e76513 --- /dev/null +++ b/tests/fsck-tests/026-dir-item-name-corruption/test.sh @@ -0,0 +1,41 @@ +#!/bin/bash + +source $TOP/tests/common + +check_prereq btrfs-corrupt-block +check_prereq mkfs.btrfs +check_prereq btrfs + +setup_root_helper +prepare_test_dev 512M + +ROOT_NODE=256 +BTRFS_DIR_ITEM_KEY=84 + +# test whether fsck can detect a corrupted dir item name +test_dir_item_name_field() +{ + run_check $SUDO_HELPER $TOP/mkfs.btrfs -f $TEST_DEV + + run_check_mount_test_dev + run_check $SUDO_HELPER touch $TEST_MNT/testfile.txt + + run_check_umount_test_dev + + # find key offset + key_offset=`$SUDO_HELPER $TOP/btrfs-debug-tree -t FS_TREE $TEST_DEV | \ + grep -B3 'testfile.txt' | grep "$ROOT_NODE DIR_ITEM" | \ + cut -f1 -d')' | awk '{print $6}'` + + key=$ROOT_NODE","$BTRFS_DIR_ITEM_KEY","$key_offset + + # corrupt dir item name + run_check $SUDO_HELPER $TOP/btrfs-corrupt-block -D -f name \ + -K $key $TEST_DEV + + $SUDO_HELPER $TOP/btrfs check $TEST_DEV >& /dev/null && \ + _fail "btrfs check failed to detect corruption" + run_check $SUDO_HELPER $TOP/btrfs check --repair $TEST_DEV +} + +test_dir_item_name_field