syzbot

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kernel BUG at fs/ocfs2/journal.c:973!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4286 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:973
Code: fe ff ff e8 08 c9 9a 06 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3f fe ff ff 48 89 df e8 90 8c 9c fe e9 32 fe ff ff e8 36 81 57 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:ffffc9000318fae0 EFLAGS: 00010293
RAX: ffffffff83219fda RBX: 00000000ffffffff RCX: ffff88801ef9bb80
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000318fb90 R08: ffffffff901d4207 R09: 1ffffffff203a840
R10: dffffc0000000000 R11: fffffbfff203a841 R12: 1ffff1100e96ea22
R13: ffff88805ed40a00 R14: ffff88807d5e2400 R15: ffff888074b75110
FS:  00005555813bb500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe46bb8ff8 CR3: 000000001f927000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_journal_shutdown+0x561/0xb10 fs/ocfs2/journal.c:1055
 ocfs2_dismount_volume+0x1f9/0x8a0 fs/ocfs2/super.c:1892
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7ee27e1a57
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:00007ffe46bb96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f7ee2876048 RCX: 00007f7ee27e1a57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe46bb9790
RBP: 00007ffe46bb9790 R08: 00007ffe46bba790 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe46bba820
R13: 00007f7ee2876048 R14: 0000000000012ce4 R15: 00007ffe46bba860
 </TASK>
Modules linked in:
---[ end trace da1daf3b1997fb09 ]---
RIP: 0010:ocfs2_journal_toggle_dirty+0x34a/0x350 fs/ocfs2/journal.c:973
Code: fe ff ff e8 08 c9 9a 06 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3f fe ff ff 48 89 df e8 90 8c 9c fe e9 32 fe ff ff e8 36 81 57 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:ffffc9000318fae0 EFLAGS: 00010293
RAX: ffffffff83219fda RBX: 00000000ffffffff RCX: ffff88801ef9bb80
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000318fb90 R08: ffffffff901d4207 R09: 1ffffffff203a840
R10: dffffc0000000000 R11: fffffbfff203a841 R12: 1ffff1100e96ea22
R13: ffff88805ed40a00 R14: ffff88807d5e2400 R15: ffff888074b75110
FS:  00005555813bb500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: