From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73C1318DF89 for ; Sat, 31 May 2025 22:08:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748729318; cv=none; b=nype4zLP/0Xvz/v4iFk0KRJYslDjuReuuKSeOrKEzgZj85sPKjdhJTqn5SddvQhgqFAjvrBAEHeKWP94YCF6fiFi3JxXl/hMvsyBEJ6xBy4FxbJXriyW2+h/71l3GIJQj2gsfjzpWZJEZE1Rc2XAjRny8nyCf6oZeBm92fL7MPE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748729318; c=relaxed/simple; bh=WLa7oNWA5CDRx2xlWQIm6EZZcYZWiI5vRgs+5RpVfw8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=n5gATeOfIh7uWwkZtvoFvRHFZ5OK0SlrIaX/8c3fAV6kiqscmJkGdg6qcvEif27ffpyWeV6Sv0hZnXIvfheFPW7YspZQo2kf4zXDgpq5g1UirpcsUlzAxxr5fKD1oJfOEngWv9NOgnTYqpPCnU+Xz37rVLcXeB7Ar2E7Z3DyDyI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.79 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f79.google.com with SMTP id ca18e2360f4ac-86cfaaf3a24so232100939f.2 for ; Sat, 31 May 2025 15:08:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748729315; x=1749334115; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=kKSaKzHAhnlkIYbXowCmdw9SvU1FsOjCtk72zMGXAS0=; b=rTCqTZDGH9uuUqvvov4Xqcb395dsLRYWL99Kgkd9RhMjZpUrqIyC8L6WyMHzt8Mg3U sj3VRozbzWdqra8uG0gtq2w2Z8M4XSo4xqjGEfOeAgqOcdL2MBc430Cc+mA/uRQpqx7p daGhZyOVan3nhi8uMgaOKRMKxIRJVse+2oZFFL3nBTw8aj5+E//+zY/cJ28cetvV50Sl 3846bEf9RyMs5bmrCgySjVBwe4qdjCjP12Hwf8QZc0sPMadZouFzOB/3C71Adshg2fR0 PBxrROmohAKNBXo0dao1g8FX4tUIxrDOksTkUtlBwbt/Fm+G5cpbpPNESUVoWzT+eDvj /rbQ== X-Forwarded-Encrypted: i=1; AJvYcCWdqsajPtDQM3JI6nDd4LLD979moxDtzdGNcNNHnACUirqEGbvz0XF9/su7N3mfksKh433h@lists.linux.dev X-Gm-Message-State: AOJu0YwB8ULSyIfx1rzLAYWqVqqpbzKASvSA11M4YvsYRUzvMMGX1BWT KJDJ9LkIo1nEyTiRSzv0deMC78S0ebJWFs3WLSix28RSNUg3ZpFjMK6efexQxtjJ9VPkB5DQ6/p Sm8Kq/UiY6vVYiIth4VYIQimk4ftsUsXjbTNIfSNBWJtaiMFVtTmRerRT8TE= X-Google-Smtp-Source: AGHT+IGpL9XtdpJc1/Py6FFAuxDrAYTnA5CrpSFy8fTQrN8POgaVaVlqK1xcse5w5kf3MIvuj/RB1CGbxBEytJeXnVrqo9g6FtKU Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ca47:0:b0:3ce:4b12:fa17 with SMTP id e9e14a558f8ab-3dd99c41659mr87207635ab.19.1748729315516; Sat, 31 May 2025 15:08:35 -0700 (PDT) Date: Sat, 31 May 2025 15:08:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <683b7de3.a00a0220.d8eae.001e.GAE@google.com> Subject: [syzbot] [gfs2?] kernel BUG in gfs2_quota_cleanup (2) From: syzbot To: agruenba@redhat.com, gfs2@lists.linux.dev, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 914873bc7df9 Merge tag 'x86-build-2025-05-25' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13e80482580000 kernel config: https://syzkaller.appspot.com/x/.config?x=eeb82b5d1d67d535 dashboard link: https://syzkaller.appspot.com/bug?extid=8f7c48186f31bbcfd78d compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-914873bc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b88f5c802da5/vmlinux-914873bc.xz kernel image: https://storage.googleapis.com/syzbot-assets/2481c0fe9c9f/bzImage-914873bc.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8f7c48186f31bbcfd78d@syzkaller.appspotmail.com FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-01972-g914873bc7df9 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x414/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4100 [inline] slab_alloc_node mm/slub.c:4176 [inline] kmem_cache_alloc_noprof+0x73/0x3c0 mm/slub.c:4203 qd_alloc+0x50/0x250 fs/gfs2/quota.c:234 gfs2_quota_init+0x777/0x1230 fs/gfs2/quota.c:1448 gfs2_make_fs_rw+0x181/0x2b0 fs/gfs2/super.c:149 gfs2_reconfigure+0x617/0xb20 fs/gfs2/ops_fstype.c:1595 reconfigure_super+0x224/0x890 fs/super.c:1082 vfs_cmd_reconfigure fs/fsopen.c:262 [inline] vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:291 __do_sys_fsconfig fs/fsopen.c:467 [inline] __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:344 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x220 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f671238e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6713195038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f67125b6080 RCX: 00007f671238e969 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 RBP: 00007f6713195090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007f67125b6080 R15: 00007ffc65f837d8 ------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:1520! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-01972-g914873bc7df9 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519 Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 b2 ac 2e fe e9 b5 fd ff ff e8 88 bf 69 07 e8 b3 cc cb fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 RSP: 0018:ffffc9000d23f9a0 EFLAGS: 00010293 RAX: ffffffff83f407fd RBX: 0000000000000002 RCX: ffff888000634880 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000d23fab0 R08: ffff8880342e80af R09: 1ffff1100685d015 R10: dffffc0000000000 R11: ffffed100685d016 R12: 1ffff92001a47f38 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f67131956c0(0000) GS:ffff88808d291000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6713194fc8 CR3: 000000003f46f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_quota_init+0x10d8/0x1230 fs/gfs2/quota.c:1509 gfs2_make_fs_rw+0x181/0x2b0 fs/gfs2/super.c:149 gfs2_reconfigure+0x617/0xb20 fs/gfs2/ops_fstype.c:1595 reconfigure_super+0x224/0x890 fs/super.c:1082 vfs_cmd_reconfigure fs/fsopen.c:262 [inline] vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:291 __do_sys_fsconfig fs/fsopen.c:467 [inline] __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:344 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x220 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f671238e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6713195038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f67125b6080 RCX: 00007f671238e969 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 RBP: 00007f6713195090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007f67125b6080 R15: 00007ffc65f837d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519 Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 b2 ac 2e fe e9 b5 fd ff ff e8 88 bf 69 07 e8 b3 cc cb fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 RSP: 0018:ffffc9000d23f9a0 EFLAGS: 00010293 RAX: ffffffff83f407fd RBX: 0000000000000002 RCX: ffff888000634880 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000d23fab0 R08: ffff8880342e80af R09: 1ffff1100685d015 R10: dffffc0000000000 R11: ffffed100685d016 R12: 1ffff92001a47f38 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f67131956c0(0000) GS:ffff88808d291000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6713194fc8 CR3: 000000003f46f000 CR4: 0000000000352ef0 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup