------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2880!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5630 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:_ocfs2_free_suballoc_bits+0xc69/0x2170 fs/ocfs2/suballoc.c:2880
Code: 05 e4 b3 f6 0f 0f 85 95 11 00 00 48 81 c4 30 01 00 00 44 89 f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c8 84 fc fc e8 18 ae f4 fd 90 <0f> 0b 41 be fc ff ff ff e9 72 ff ff ff e8 05 ae f4 fd 90 0f 0b e8
RSP: 0018:ffffc900038f78f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888036216e00 RCX: ffffffff8413b0d0
RDX: ffff888036948000 RSI: ffffffff8413bc48 RDI: ffff888036948000
RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000255
R13: 0000000000000020 R14: 0000000000000020 R15: ffff888057a1dc60
FS:  000055557382a500(0000) GS:ffff888124379000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54ad16f000 CR3: 000000005d09a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x417/0x920 fs/ocfs2/suballoc.c:2998
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5988 [inline]
 __ocfs2_flush_truncate_log+0x624/0x11b0 fs/ocfs2/alloc.c:6071
 ocfs2_flush_truncate_log+0x4a/0x70 fs/ocfs2/alloc.c:6093
 ocfs2_sync_fs+0x1c6/0x3d0 fs/ocfs2/super.c:406
 sync_filesystem fs/sync.c:66 [inline]
 sync_filesystem+0x1d0/0x290 fs/sync.c:30
 generic_shutdown_super+0x86/0x360 fs/super.c:625
 kill_block_super+0x3b/0xa0 fs/super.c:1725
 deactivate_locked_super+0xc1/0x1b0 fs/super.c:476
 deactivate_super fs/super.c:509 [inline]
 deactivate_super+0xe7/0x110 fs/super.c:505
 cleanup_mnt+0x21f/0x450 fs/namespace.c:1312
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x100/0x4a0 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x706/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f866019e017
Code: a2 c7 05 dc 06 25 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:00007fff32e24f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f8660232120 RCX: 00007f866019e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff32e25050
RBP: 00007fff32e25050 R08: 00007fff32e26050 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff32e260e0
R13: 00007f8660232120 R14: 000000000001cc3f R15: 00007fff32e26120
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0xc69/0x2170 fs/ocfs2/suballoc.c:2880
Code: 05 e4 b3 f6 0f 0f 85 95 11 00 00 48 81 c4 30 01 00 00 44 89 f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c8 84 fc fc e8 18 ae f4 fd 90 <0f> 0b 41 be fc ff ff ff e9 72 ff ff ff e8 05 ae f4 fd 90 0f 0b e8
RSP: 0018:ffffc900038f78f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888036216e00 RCX: ffffffff8413b0d0
RDX: ffff888036948000 RSI: ffffffff8413bc48 RDI: ffff888036948000
RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000255
R13: 0000000000000020 R14: 0000000000000020 R15: ffff888057a1dc60
FS:  000055557382a500(0000) GS:ffff888124379000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54ad16b000 CR3: 000000005d09a000 CR4: 0000000000350ef0