------------[ cut here ]------------
kernel BUG at fs/ocfs2/journal.c:1001!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6976 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:ocfs2_journal_toggle_dirty+0x34a/0x350 fs/ocfs2/journal.c:1001
Code: fe ff ff e8 c8 09 e7 06 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3f fe ff ff 48 89 df e8 40 c4 8c fe e9 32 fe ff ff e8 26 b9 3b fe <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90003367a60 EFLAGS: 00010293
RAX: ffffffff8346bb6a RBX: 00000000ffffffff RCX: ffff88807bfa5940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90003367b10 R08: ffffffff90af7407 R09: 1ffffffff215ee80
R10: dffffc0000000000 R11: fffffbfff215ee81 R12: 1ffff11009f32cd0
R13: ffff88805e2fca00 R14: ffff888055744800 R15: ffff88804f996680
FS:  000055557a779500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2d06f5 CR3: 000000007df9f000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ocfs2_journal_shutdown+0x56c/0xc20 fs/ocfs2/journal.c:1083
 ocfs2_dismount_volume+0x3f4/0x940 fs/ocfs2/super.c:1911
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fca2959da57
Code: a2 c7 05 9c fc 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffeaa854438 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fca29632048 RCX: 00007fca2959da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeaa8544f0
RBP: 00007ffeaa8544f0 R08: 00007ffeaa8554f0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeaa855580
R13: 00007fca29632048 R14: 0000000000082057 R15: 00007ffeaa8555c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_journal_toggle_dirty+0x34a/0x350 fs/ocfs2/journal.c:1001
Code: fe ff ff e8 c8 09 e7 06 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3f fe ff ff 48 89 df e8 40 c4 8c fe e9 32 fe ff ff e8 26 b9 3b fe <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90003367a60 EFLAGS: 00010293
RAX: ffffffff8346bb6a RBX: 00000000ffffffff RCX: ffff88807bfa5940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90003367b10 R08: ffffffff90af7407 R09: 1ffffffff215ee80
R10: dffffc0000000000 R11: fffffbfff215ee81 R12: 1ffff11009f32cd0
R13: ffff88805e2fca00 R14: ffff888055744800 R15: ffff88804f996680
FS:  000055557a779500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd2c3eb000 CR3: 000000007df9f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000001800
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400