syzbot
kernel BUG in jbd2_cleanup_journal_tail
Status:
auto-obsoleted due to no activity on 2024/12/06 19:46
Subsystems:
ext4
[Documentation on labels]
Reported-by: syzbot+8512f3dbd96253ffbe27@syzkaller.appspotmail.com
First crash: 721d, last: 681d
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Last patch testing requests (5)
Sample crash report:
(syz.3.851,8892,1):ocfs2_check_volume:2481 ERROR: status = -22
(syz.3.851,8892,1):ocfs2_mount_volume:1821 ERROR: status = -22
------------[ cut here ]------------
kernel BUG at fs/jbd2/checkpoint.c:321!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 8892 Comm: syz.3.851 Not tainted 6.11.0-rc7-syzkaller-00151-gd42f7708e27c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:jbd2_cleanup_journal_tail+0x2bf/0x2d0 fs/jbd2/checkpoint.c:321
Code: 24 40 80 e1 07 80 c1 03 38 c1 0f 8c 65 ff ff ff 48 8d 7c 24 40 e8 b1 0c 89 ff e9 56 ff ff ff e8 77 e1 47 09 e8 b2 c4 21 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90
RSP: 0018:ffffc90002eced60 EFLAGS: 00010246
RAX: ffffffff8271c7fe RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000e257000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90002ecee30 R08: ffffffff8271c687 R09: 1ffff1100b8f0016
R10: dffffc0000000000 R11: ffffed100b8f0017 R12: 1ffff920005d9db0
R13: ffff88805c780000 R14: 1ffff920005d9db6 R15: 1ffff1100b8f0000
FS: 00007f4fa517d6c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563572453950 CR3: 000000006a8b4000 CR4: 0000000000350ef0
Call Trace:
<TASK>
jbd2_journal_flush+0x290/0xc10 fs/jbd2/journal.c:2479
ocfs2_journal_shutdown+0x443/0xbe0 fs/ocfs2/journal.c:1081
ocfs2_mount_volume+0x169f/0x1940 fs/ocfs2/super.c:1842
ocfs2_fill_super+0x483b/0x5880 fs/ocfs2/super.c:1084
mount_bdev+0x20c/0x2d0 fs/super.c:1679
legacy_get_tree+0xf0/0x190 fs/fs_context.c:662
vfs_get_tree+0x92/0x2b0 fs/super.c:1800
do_new_mount+0x2be/0xb40 fs/namespace.c:3472
do_mount fs/namespace.c:3812 [inline]
__do_sys_mount fs/namespace.c:4020 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4fa437f69a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f4fa517ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f4fa517cef0 RCX: 00007f4fa437f69a
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 00007f4fa517ceb0
RBP: 0000000020000080 R08: 00007f4fa517cef0 R09: 00000000000008c0
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000020000040
R13: 00007f4fa517ceb0 R14: 0000000000004436 R15: 00000000200000c0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jbd2_cleanup_journal_tail+0x2bf/0x2d0 fs/jbd2/checkpoint.c:321
Code: 24 40 80 e1 07 80 c1 03 38 c1 0f 8c 65 ff ff ff 48 8d 7c 24 40 e8 b1 0c 89 ff e9 56 ff ff ff e8 77 e1 47 09 e8 b2 c4 21 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90
RSP: 0018:ffffc90002eced60 EFLAGS: 00010246
RAX: ffffffff8271c7fe RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000e257000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90002ecee30 R08: ffffffff8271c687 R09: 1ffff1100b8f0016
R10: dffffc0000000000 R11: ffffed100b8f0017 R12: 1ffff920005d9db0
R13: ffff88805c780000 R14: 1ffff920005d9db6 R15: 1ffff1100b8f0000
FS: 00007f4fa517d6c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563572453950 CR3: 000000006a8b4000 CR4: 0000000000350ef0
* Struck through repros no longer work on HEAD.