From patchwork Fri Oct 14 07:58:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Donald Douwsma X-Patchwork-Id: 13006743 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3714EC4332F for ; Fri, 14 Oct 2022 07:59:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229587AbiJNH7H (ORCPT ); Fri, 14 Oct 2022 03:59:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbiJNH7G (ORCPT ); Fri, 14 Oct 2022 03:59:06 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C7A7317CE for ; Fri, 14 Oct 2022 00:59:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665734343; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nwOMt3ttbO8Px4J5UR+PbpFZx/ZDEh5Tw+F9P0+vS5w=; b=eqtda1Fw34JD7N1/33viINvp1qtwx9iA/KO2La+bHbM1NhVUk6edzokg5tHUGMX3BsU4WK v06TKje0h44+sqLpVDw956pDRov+4d/vr+GfYCF5KO+4i/DDrQJLYbnNr3wQmxFFFTsT4C QR4QXNViNxNtPOy1PabNCtpufv8tXwE= Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-436-FeobtQFmOUmUsLVqOKtTVg-1; Fri, 14 Oct 2022 03:59:02 -0400 X-MC-Unique: FeobtQFmOUmUsLVqOKtTVg-1 Received: by mail-pl1-f197.google.com with SMTP id o1-20020a170902d4c100b00177f59a9889so2855913plg.13 for ; Fri, 14 Oct 2022 00:59:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=nwOMt3ttbO8Px4J5UR+PbpFZx/ZDEh5Tw+F9P0+vS5w=; b=Q1Ze1N3LrxykmFrieFlKLx2qAanJZ0nUduI+BJ2aen1wbx/PwrWWOTyAnt7PS71ZPw FDLEOoNIAUS6HY0nvRnn/6dlCuwkhOejRYJJ+vVY97KmNSKlxxRcpvGXf2hNvH4xSLJD x3kI9ICeWo5gCdceU9wqeHuvLO4F3IiiEen/Igl06o7/mCsiumtZL5cnk3W5uI3DcemS EhQdZlcPBVp9qljEpV6yRqSwUtCN2GbEVCPElEc1itXE1a38VPtvmcsMHmKhg2cce3A9 n8Fg373wW9zFseyfg7aTGFN4XgjdIc1B77IbvPCZzch0XvgK+XwqSrlPSkz1GnwkDWx6 ZQTw== X-Gm-Message-State: ACrzQf0exmHWTrIAdUbUQxX4pvNZey0z6agLGkKjE7wZxAzaJyhkZriz cPnFep5KNZi4y6h2liv08enFWuSiWD9whvLa6s90VQRQyMxfP/4LmFvg8ai61oMmkcraZYu7oYV yQeKK2Qt5Z9H8P7WCZUdM8m7O8oaohdaTzxZR1YnQoTUpwqiTt/jCNAnxyeziCbP4/BFVis+N X-Received: by 2002:a17:90a:1c1:b0:20a:e745:bc30 with SMTP id 1-20020a17090a01c100b0020ae745bc30mr16405750pjd.131.1665734340734; Fri, 14 Oct 2022 00:59:00 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5oIK/Rp2X/JjP0PAJRXvXLADAV8USV+5IvmivYJC8O/LIdHzfEexeM97R5Eu5832XgkPGSgg== X-Received: by 2002:a17:90a:1c1:b0:20a:e745:bc30 with SMTP id 1-20020a17090a01c100b0020ae745bc30mr16405721pjd.131.1665734340307; Fri, 14 Oct 2022 00:59:00 -0700 (PDT) Received: from snowcrash.redhat.com ([2001:8003:4800:1b00:4c4a:1757:c744:923]) by smtp.gmail.com with ESMTPSA id nn13-20020a17090b38cd00b0020b21019086sm8550382pjb.3.2022.10.14.00.58.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 00:58:59 -0700 (PDT) From: Donald Douwsma To: linux-xfs@vger.kernel.org Cc: Donald Douwsma , "Darrick J . Wong" Subject: [PATCH 2/4] xfsrestore: fix on-media inventory stream unpacking Date: Fri, 14 Oct 2022 18:58:45 +1100 Message-Id: <20221014075847.2047427-3-ddouwsma@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221014075847.2047427-1-ddouwsma@redhat.com> References: <20221014075847.2047427-1-ddouwsma@redhat.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org xfsdump can create multiple streams, when restoring the online inventory with multiple streams we fail to process these and assert when the inventory buffer is not fully decoded. [root@rhel8 ~]# xfsdump -L "Test1" -f /dev/nst0 -M tape1 -f /dev/nst1 -M tape2 /boot xfsdump: using scsi tape (drive_scsitape) strategy xfsdump: using scsi tape (drive_scsitape) strategy xfsdump: version 3.1.8 (dump format 3.0) - type ^C for status and control xfsdump: level 0 dump of rhel8:/boot xfsdump: dump date: Thu Oct 6 13:50:45 2022 xfsdump: session id: aa25fa48-4493-45c7-9027-61e53e486445 xfsdump: session label: "Test1" xfsdump: ino map phase 1: constructing initial dump list xfsdump: ino map phase 2: skipping (no pruning necessary) xfsdump: ino map phase 3: identifying stream starting points xfsdump: stream 0: ino 133 offset 0 to ino 28839 offset 0 xfsdump: stream 1: ino 28839 offset 0 to end xfsdump: ino map construction complete xfsdump: estimated dump size: 328720704 bytes xfsdump: estimated dump size per stream: 164375728 bytes xfsdump: /var/lib/xfsdump/inventory created xfsdump: drive 0: preparing drive xfsdump: drive 1: preparing drive xfsdump: drive 1: creating dump session media file 0 (media 0, file 0) xfsdump: drive 1: dumping ino map xfsdump: drive 1: dumping non-directory files xfsdump: drive 0: creating dump session media file 0 (media 0, file 0) xfsdump: drive 0: dumping ino map xfsdump: drive 0: dumping directories xfsdump: drive 0: dumping non-directory files xfsdump: drive 1: ending media file xfsdump: drive 1: media file size 166723584 bytes xfsdump: drive 1: waiting for synchronized session inventory dump xfsdump: drive 0: ending media file xfsdump: drive 0: media file size 165675008 bytes xfsdump: drive 0: waiting for synchronized session inventory dump xfsdump: drive 0: dumping session inventory xfsdump: drive 0: beginning inventory media file xfsdump: drive 0: media file 1 (media 0, file 1) xfsdump: drive 0: ending inventory media file xfsdump: drive 0: inventory media file size 2097152 bytes xfsdump: drive 0: writing stream terminator xfsdump: drive 0: beginning media stream terminator xfsdump: drive 0: media file 2 (media 0, file 2) xfsdump: drive 0: ending media stream terminator xfsdump: drive 0: media stream terminator size 1048576 bytes xfsdump: drive 1: dumping session inventory xfsdump: drive 1: beginning inventory media file xfsdump: drive 1: media file 1 (media 0, file 1) xfsdump: drive 1: ending inventory media file xfsdump: drive 1: inventory media file size 2097152 bytes xfsdump: drive 1: writing stream terminator xfsdump: drive 1: beginning media stream terminator xfsdump: drive 1: media file 2 (media 0, file 2) xfsdump: drive 1: ending media stream terminator xfsdump: drive 1: media stream terminator size 1048576 bytes xfsdump: dump size (non-dir files) : 328189016 bytes xfsdump: dump complete: 4 seconds elapsed xfsdump: Dump Summary: xfsdump: stream 0 /dev/nst0 OK (success) xfsdump: stream 1 /dev/nst1 OK (success) xfsdump: Dump Status: SUCCESS [root@rhel8 ~]# xfsdump -I file system 0: fs id: 26dd5aa0-b901-4cf5-9b68-0c5753cb3ab8 session 0: mount point: rhel8:/boot device: rhel8:/dev/sda1 time: Thu Oct 6 13:50:45 2022 session label: "Test1" session id: aa25fa48-4493-45c7-9027-61e53e486445 level: 0 resumed: NO subtree: NO streams: 2 stream 0: pathname: /dev/nst0 start: ino 133 offset 0 end: ino 28839 offset 0 interrupted: NO media files: 2 media file 0: mfile index: 0 mfile type: data mfile size: 165675008 mfile start: ino 133 offset 0 mfile end: ino 28839 offset 0 media label: "tape1" media id: adb31f2a-f026-4597-a20a-326f28ecbaf1 media file 1: mfile index: 1 mfile type: inventory mfile size: 2097152 media label: "tape1" media id: adb31f2a-f026-4597-a20a-326f28ecbaf1 stream 1: pathname: /dev/nst1 start: ino 28839 offset 0 end: ino 1572997 offset 0 interrupted: NO media files: 2 media file 0: mfile index: 0 mfile type: data mfile size: 166723584 mfile start: ino 28839 offset 0 mfile end: ino 1572997 offset 0 media label: "tape2" media id: 22224f02-b6c7-47d5-ad61-a61ba071c8a8 media file 1: mfile index: 1 mfile type: inventory mfile size: 2097152 media label: "tape2" media id: 22224f02-b6c7-47d5-ad61-a61ba071c8a8 xfsdump: Dump Status: SUCCESS [root@rhel8 ~]# mv /var/lib/xfsdump/inventory /var/lib/xfsdump/inventory_two_sessions [root@rhel8 ~]# xfsdump -I xfsdump: Dump Status: SUCCESS [root@rhel8 ~]# xfsrestore -L Test1 -f /dev/nst0 /tmp/test1/ xfsrestore: using scsi tape (drive_scsitape) strategy xfsrestore: version 3.1.8 (dump format 3.0) - type ^C for status and control xfsrestore: searching media for dump xfsrestore: preparing drive xfsrestore: examining media file 2 xfsrestore: found dump matching specified label: xfsrestore: hostname: rhel8 xfsrestore: mount point: /boot xfsrestore: volume: /dev/sda1 xfsrestore: session time: Thu Oct 6 13:50:45 2022 xfsrestore: level: 0 xfsrestore: session label: "Test1" xfsrestore: media label: "tape1" xfsrestore: file system id: 26dd5aa0-b901-4cf5-9b68-0c5753cb3ab8 xfsrestore: session id: aa25fa48-4493-45c7-9027-61e53e486445 xfsrestore: media id: adb31f2a-f026-4597-a20a-326f28ecbaf1 xfsrestore: searching media for directory dump xfsrestore: rewinding xfsrestore: examining media file 0 xfsrestore: reading directories xfsrestore: 9 directories and 320 entries processed xfsrestore: directory post-processing xfsrestore: restoring non-directory files xfsrestore: examining media file 1 xfsrestore: inv_stobj.c:1119: stobj_unpack_sessinfo: Assertion `(size_t) ( p - (char *) bufp ) == bufsz' failed. Aborted (core dumped) Make sure we unpack multiple streams when restoring the online inventory from media. Signed-off-by: Donald Douwsma Reviewed-by: Darrick J. Wong --- inventory/inv_stobj.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/inventory/inv_stobj.c b/inventory/inv_stobj.c index b461666..025d431 100644 --- a/inventory/inv_stobj.c +++ b/inventory/inv_stobj.c @@ -1065,25 +1065,26 @@ stobj_unpack_sessinfo( return BOOL_FALSE; } + /* get the seshdr and then, the remainder of the session */ xlate_invt_seshdr((invt_seshdr_t *)p, (invt_seshdr_t *)tmpbuf, 1); bcopy(tmpbuf, p, sizeof(invt_seshdr_t)); - - /* get the seshdr and then, the remainder of the session */ s->seshdr = (invt_seshdr_t *)p; s->seshdr->sh_sess_off = -1; p += sizeof(invt_seshdr_t); - xlate_invt_session((invt_session_t *)p, (invt_session_t *)tmpbuf, 1); bcopy (tmpbuf, p, sizeof(invt_session_t)); s->ses = (invt_session_t *)p; p += sizeof(invt_session_t); /* the array of all the streams belonging to this session */ - xlate_invt_stream((invt_stream_t *)p, (invt_stream_t *)tmpbuf, 1); - bcopy(tmpbuf, p, sizeof(invt_stream_t)); s->strms = (invt_stream_t *)p; - p += s->ses->s_cur_nstreams * sizeof(invt_stream_t); + for (i = 0; i < s->ses->s_cur_nstreams; i++) { + xlate_invt_stream((invt_stream_t *)p, + (invt_stream_t *)tmpbuf, 1); + bcopy(tmpbuf, p, sizeof(invt_stream_t)); + p += sizeof(invt_stream_t); + } /* all the media files */ s->mfiles = (invt_mediafile_t *)p;