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 671BBECAAD8 for ; Fri, 23 Sep 2022 06:12:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229622AbiIWGMn (ORCPT ); Fri, 23 Sep 2022 02:12:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229571AbiIWGMk (ORCPT ); Fri, 23 Sep 2022 02:12:40 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C875B1191A2 for ; Thu, 22 Sep 2022 23:12:37 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id x14-20020a056e021cae00b002f1d5aca8c6so7160972ill.5 for ; Thu, 22 Sep 2022 23:12:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date; bh=FaaTPbSkbQ7kmqxkVamqyS6g5Yg4/PYcUzSE6v30wKM=; b=AUnuUhiFhFZs+fa5x4foS9pvLLsqv+OeOFk9srsQpd1KoQ2Ldqn1PPIJi7luPf0boO 5iT/Lj5DD/PEsPba68fmaFI5qHHhGAZI3CqIJd3t0qs8G+n5VzPc2U0nDQAY7EBwm/ie PaKibLXVQOyERu6OMIfiCLB6Y/xb0aKloc1KtJOQmZECcgT4go1NhN3NqzcArcFUe9No EZhuLpjOxnGYnwUXQmd0cGvRuod+0rs3t8l/Xr+usFFKhHT4l81h0t7eCYkKeECShklX HETAOlztatcB+UFGUiRPPn3Lg61WSXY6RSLW3iwNiHgxQ27rsvucIt7EuhOTCUNQLwIv MCfg== X-Gm-Message-State: ACrzQf3T0JrBefU64osqL37OvzZveO66sWpKL6BI739fQEFl0hjiIp2P l3l0/uCT52zJvQvLbngfsZ0wwDZIsJ1GfCi8jDwTmsKuP2Ym X-Google-Smtp-Source: AMsMyM5Zi7DcPO6cVdYtSrMXtzFo/D2gd1Qa/Ck0C7ddZIvL30/9wWHabyYBVFFElIs5FneHWPNaYM7jxKpkNusnmjykPeWXAmdU MIME-Version: 1.0 X-Received: by 2002:a05:6602:1506:b0:6a1:e92e:4ebe with SMTP id g6-20020a056602150600b006a1e92e4ebemr3135383iow.99.1663913557116; Thu, 22 Sep 2022 23:12:37 -0700 (PDT) Date: Thu, 22 Sep 2022 23:12:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000824da605e9521001@google.com> Subject: [syzbot] kernel BUG in gfs2_glock_nq (2) From: syzbot To: agruenba@redhat.com, cluster-devel@redhat.com, linux-kernel@vger.kernel.org, rpeterso@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: e47eb90a0a9a Add linux-next specific files for 20220901 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1622f1d8880000 kernel config: https://syzkaller.appspot.com/x/.config?x=7933882276523081 dashboard link: https://syzkaller.appspot.com/bug?extid=70f4e455dee59ab40c80 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/d3bf639370bc/disk-e47eb90a.raw.xz vmlinux: https://storage.googleapis.com/1c9c27c6eeef/vmlinux-e47eb90a.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+70f4e455dee59ab40c80@syzkaller.appspotmail.com gfs2: fsid=syz:syz.0: G: s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0 gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:15361 [syz-executor.5] gfs2_quota_sync+0x2e2/0x660 fs/gfs2/quota.c:1322 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1541! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15361 Comm: syz-executor.5 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:add_to_queue fs/gfs2/glock.c:1541 [inline] RIP: 0010:gfs2_glock_nq.cold+0x2a1/0x2fa fs/gfs2/glock.c:1566 Code: 74 04 3c 03 7e 76 8b 53 18 44 89 f1 4c 89 ee 48 c7 c7 60 3a 3a 8a e8 8f 80 f3 ff ba 01 00 00 00 4c 89 e6 31 ff e8 fe f1 38 fa <0f> 0b e8 a7 3c 7e f8 4c 8b 04 24 e9 7f fd ff ff 45 31 f6 e9 fc fd RSP: 0018:ffffc9000c52f7f0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88803ee655e0 RCX: ffffc90003e01000 RDX: 0000000000040000 RSI: ffffffff8383b5be RDI: ffffffff8a3a6fb0 RBP: ffff888075ee90e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 6863657469676f6c R12: ffff88803ee655e0 R13: ffff888038445270 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f82a2a0a700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000021000000 CR3: 0000000079881000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:263 [inline] do_sync+0x4b9/0xcf0 fs/gfs2/quota.c:914 gfs2_quota_sync+0x2e2/0x660 fs/gfs2/quota.c:1322 gfs2_sync_fs+0x40/0xb0 fs/gfs2/super.c:642 sync_filesystem.part.0+0x75/0x1d0 fs/sync.c:56 sync_filesystem+0x8b/0xc0 fs/sync.c:43 generic_shutdown_super+0x70/0x410 fs/super.c:473 kill_block_super+0x97/0xf0 fs/super.c:1427 gfs2_kill_sb+0x104/0x160 fs/gfs2/ops_fstype.c:1733 deactivate_locked_super+0x94/0x160 fs/super.c:331 deactivate_super+0xad/0xd0 fs/super.c:362 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0x16b/0x270 kernel/task_work.c:179 get_signal+0x1c3/0x2610 kernel/signal.c:2635 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop kernel/entry/common.c:166 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f82a188a93a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f82a2a09f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffec RBX: 0000000020000200 RCX: 00007f82a188a93a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f82a2a09fe0 RBP: 00007f82a2a0a020 R08: 00007f82a2a0a020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f82a2a09fe0 R15: 0000000020047a20 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1541 [inline] RIP: 0010:gfs2_glock_nq.cold+0x2a1/0x2fa fs/gfs2/glock.c:1566 Code: 74 04 3c 03 7e 76 8b 53 18 44 89 f1 4c 89 ee 48 c7 c7 60 3a 3a 8a e8 8f 80 f3 ff ba 01 00 00 00 4c 89 e6 31 ff e8 fe f1 38 fa <0f> 0b e8 a7 3c 7e f8 4c 8b 04 24 e9 7f fd ff ff 45 31 f6 e9 fc fd RSP: 0018:ffffc9000c52f7f0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88803ee655e0 RCX: ffffc90003e01000 RDX: 0000000000040000 RSI: ffffffff8383b5be RDI: ffffffff8a3a6fb0 RBP: ffff888075ee90e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 6863657469676f6c R12: ffff88803ee655e0 R13: ffff888038445270 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f82a2a0a700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000021000000 CR3: 0000000079881000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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.