------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:6011!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7501 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ocfs2_flush_truncate_log+0xffb/0x1130 fs/ocfs2/alloc.c:6011
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e5 fb ff ff 48 89 df e8 76 d7 8e fe e9 d8 fb ff ff e8 9c af 36 fe 0f 0b e8 95 af 36 fe <0f> 0b 65 44 8b 3d a7 50 b3 7c bf 07 00 00 00 44 89 fe e8 2e b3 36
RSP: 0018:ffffc9000c7df9c0 EFLAGS: 00010293
RAX: ffffffff8350651b RBX: 1ffff920018fbf4c RCX: ffff888028e88000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000c7dfbd8 R08: ffffc9000c7df947 R09: 1ffff920018fbf28
R10: dffffc0000000000 R11: fffff520018fbf29 R12: 0000000000000001
R13: ffff88804b8dcfb8 R14: ffff88805a64e000 R15: ffff8880463f7a00
FS:  0000555582bb6500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7766a6f000 CR3: 0000000075d59000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ocfs2_flush_truncate_log+0x4f/0x60 fs/ocfs2/alloc.c:6076
 ocfs2_sync_fs+0x11d/0x330 fs/ocfs2/super.c:402
 sync_filesystem+0x1c2/0x220 fs/sync.c:66
 generic_shutdown_super+0x6f/0x2b0 fs/super.c:666
 kill_block_super+0x44/0x90 fs/super.c:1660
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 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:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2c73d9c117
Code: a2 c7 05 7c 94 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:00007fffd836ee98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f2c73e0471f RCX: 00007f2c73d9c117
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd836ef50
RBP: 00007fffd836ef50 R08: 00007fffd836ff50 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd836ffe0
R13: 00007f2c73e0471f R14: 00000000000745c8 R15: 00007fffd8370020
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ocfs2_flush_truncate_log+0xffb/0x1130 fs/ocfs2/alloc.c:6011
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e5 fb ff ff 48 89 df e8 76 d7 8e fe e9 d8 fb ff ff e8 9c af 36 fe 0f 0b e8 95 af 36 fe <0f> 0b 65 44 8b 3d a7 50 b3 7c bf 07 00 00 00 44 89 fe e8 2e b3 36
RSP: 0018:ffffc9000c7df9c0 EFLAGS: 00010293
RAX: ffffffff8350651b RBX: 1ffff920018fbf4c RCX: ffff888028e88000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000c7dfbd8 R08: ffffc9000c7df947 R09: 1ffff920018fbf28
R10: dffffc0000000000 R11: fffff520018fbf29 R12: 0000000000000001
R13: ffff88804b8dcfb8 R14: ffff88805a64e000 R15: ffff8880463f7a00
FS:  0000555582bb6500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2c91939e9c CR3: 0000000075d59000 CR4: 00000000003506e0