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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09794C001DC for ; Mon, 31 Jul 2023 05:56:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230091AbjGaF4Z (ORCPT ); Mon, 31 Jul 2023 01:56:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229753AbjGaF4W (ORCPT ); Mon, 31 Jul 2023 01:56:22 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F22BE7B; Sun, 30 Jul 2023 22:56:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.com; s=s31663417; t=1690782962; x=1691387762; i=quwenruo.btrfs@gmx.com; 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clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <0000000000003d4a1a05ef104401@google.com> From: Qu Wenruo In-Reply-To: <0000000000003d4a1a05ef104401@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:P1TvVKLaw8Xljs0HCPdgLedFB6doq4+5BsFqMfGUEYPojIUhMCH Tpv0PIPVa6FJp7abZ+anZVCCZgpn18jYmvtBA5TNDde+8KXEV1YIOvXQA4LW5OijyyHYCEd qRT7FZt+KrJJTjV9xBJ4aCv8ig9DxTDfgZ7zCOImqhDWAsjs7OYtDgbyGHqZuRAxSs7BgkU FbdCOC5ep6EAi8Bn3w2PA== UI-OutboundReport: notjunk:1;M01:P0:QYk90iGofe0=;59X4KQ6cRYHgH6V4lOcIk/ouRZo WNkY2MJ0JgSZhLpIEqpuIYymqG+bUBvKNyMzSoTUbX+9BuLUr7XHs2o3BCa8E0THkpfuYK9qg vLTiNbK509AZBid5qhdwHpegUZNila0LVF0vs17M6Ah1S5QMV6izI9YQy2KCrUKpBwx/w7GIi aCNUZp4TB2wNQC6cq5FACT4Cmj23hHT+np2GBgs0NRbMYcs0XlyDiA0PaEP6KOp0DU9c8rlBz rsbhXNkqYuBgHeqAH379+RORRHdZ9A1su8HkG8+awWWHmCVpiwUNZTqufXUWNEKTtO3zugH3H 7KVVGT+oIi66vgVsIPj4QpMnIKlAsGLiYKJ1Ux9nBLYJENb9YG9bY4nZkOjZabAHjJAn7TbeV oFQrAgWp/eGxe+h2g1Q92gGjG6KZmIBPib8FLV47rdVbTLbs6UwJG8fe4RQ9GDqXn9Suqa5xy MACXr9RqjAf4fLJE6lR5vjdZ9R/aC8uUjvoOEkGa4E7hKnoqos9x0Kx2yRmKNQ0sPoH2MBi/j COxW0ZJhNVh2uVSpDvonCkB1mXPNrYeRviW9CCLWbcOaHG8Y+TSP5xyepNwgkmoWE1uM/VALF E/X2cKzLBOJzmoQgLpTRPkLGuuUQpGxz1w+o3psYUWN7AGeY7sqe+MZP4tKBJWC9AE/7VNlnJ iZm/qfS3FRF4yvh59BHsO4f4++R1QG06Bd3wKMWvm+Ce5S+dpKu/hZTdMqgHg2vl6qBsYcG3p 7PoYYkzkWg/L0KK7j3vQ5s14BmYdHhusZ+jLTcVds7mobvdsjQLcW8A3nG52JIC/7upJISjuS p9rXeQyoS+nbZh8JY0DpW7zlEpvahpjRzfEfnZdVqqRR/Z8o4Bv4+VLN+081risRYuJk+m3B9 xdKlwjRtvcxKI8rCuB9DPghGrwfVkmWbTPot8ea3oZRxHCHOYH2xUILPiBZzW8vQx0J9K+YiS Kz85Ibr5qY9U97bI36UtxLimg2I= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/12/5 16:13, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: a4412fdd49dc error-injection: Add prompt for function er= ro.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=3D1469bdbd8800= 00 > kernel config: https://syzkaller.appspot.com/x/.config?x=3D2325e409a9a8= 93e1 > dashboard link: https://syzkaller.appspot.com/bug?extid=3Dd6f9ff86c1d804= ba2bc6 > compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2d= a-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D12d8924788= 0000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D16b1ca838800= 00 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/3bbe66b25958/di= sk-a4412fdd.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/6851483ca667/vmlin= ux-a4412fdd.xz > kernel image: https://storage.googleapis.com/syzbot-assets/2d5b23cb4616/= bzImage-a4412fdd.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/1f178223d= d56/mount_0.gz > > IMPORTANT: if you fix the issue, please add the following tag to the com= mit: > Reported-by: syzbot+d6f9ff86c1d804ba2bc6@syzkaller.appspotmail.com > > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 6559 at fs/btrfs/extent-tree.c:865 lookup_inline_ex= tent_backref+0x8c1/0x13f0 > Modules linked in: > CPU: 0 PID: 6559 Comm: syz-executor311 Not tainted 6.1.0-rc7-syzkaller-0= 0123-ga4412fdd49dc #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS = Google 10/26/2022 > RIP: 0010:lookup_inline_extent_backref+0x8c1/0x13f0 fs/btrfs/extent-tree= .c:865 > Code: 98 00 00 00 0f 87 42 0b 00 00 e8 5a 9c 07 fe 4c 8b 6c 24 28 eb 3d = 83 7d 28 00 4c 8b 6c 24 28 0f 84 b0 04 00 00 e8 3f 9c 07 fe <0f> 0b 41 bc = fb ff ff ff e9 f3 05 00 00 e8 2d 9c 07 fe e9 ca 05 00 > RSP: 0018:ffffc90006296e40 EFLAGS: 00010293 > RAX: ffffffff8382fbb1 RBX: 0000000000000000 RCX: ffff88801eab1d40 > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: ffffc90006296ff0 R08: ffffffff8382f700 R09: ffffed100faf1008 > R10: ffffed100faf1008 R11: 1ffff1100faf1007 R12: dffffc0000000000 > R13: ffff888075edcd10 R14: ffffc90006296f60 R15: ffff88807d788000 > FS: 00007fdb617d5700(0000) GS:ffff8880b9900000(0000) knlGS:000000000000= 0000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 000055912e028900 CR3: 000000001954b000 CR4: 00000000003506e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > > insert_inline_extent_backref+0xcc/0x260 fs/btrfs/extent-tree.c:1152 > __btrfs_inc_extent_ref+0x108/0x5e0 fs/btrfs/extent-tree.c:1455 > btrfs_run_delayed_refs_for_head+0xf00/0x1df0 fs/btrfs/extent-tree.c:19= 43 > __btrfs_run_delayed_refs+0x25f/0x490 fs/btrfs/extent-tree.c:2008 > btrfs_run_delayed_refs+0x312/0x490 fs/btrfs/extent-tree.c:2139 > qgroup_account_snapshot+0xce/0x340 fs/btrfs/transaction.c:1538 > create_pending_snapshot+0xf35/0x2560 fs/btrfs/transaction.c:1800 > create_pending_snapshots+0x1a8/0x1e0 fs/btrfs/transaction.c:1868 > btrfs_commit_transaction+0x13f0/0x3760 fs/btrfs/transaction.c:2323 > create_snapshot+0x4aa/0x7e0 fs/btrfs/ioctl.c:833 > btrfs_mksubvol+0x62e/0x760 fs/btrfs/ioctl.c:983 > btrfs_mksnapshot+0xb5/0xf0 fs/btrfs/ioctl.c:1029 > __btrfs_ioctl_snap_create+0x339/0x450 fs/btrfs/ioctl.c:2184 > btrfs_ioctl_snap_create+0x134/0x190 fs/btrfs/ioctl.c:2211 > btrfs_ioctl+0x15c/0xc10 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:870 [inline] > __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 > do_syscall_x64 arch/x86/entry/common.c:50 [inline] > do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 > entry_SYSCALL_64_after_hwframe+0x63/0xcd > RIP: 0033:0x7fdb6184aa69 > Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 = f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 = ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fdb617d52f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > RAX: ffffffffffffffda RBX: 00007fdb618d57f0 RCX: 00007fdb6184aa69 > RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 0000000000000004 > RBP: 00007fdb618a226c R08: 00007fdb617d5700 R09: 0000000000000000 > R10: 00007fdb617d5700 R11: 0000000000000246 R12: 8000000000000000 > R13: 00007fdb618a1270 R14: 0000000100000000 R15: 00007fdb618d57f8 > # syz test: git://github.com/adam900710/linux.git inline_lookup_debug > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this issue, for details see: > https://goo.gl/tpsmEJ#testing-patches