------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2479!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4759 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : _ocfs2_free_suballoc_bits+0xc80/0xfa0 fs/ocfs2/suballoc.c:2479
lr : _ocfs2_free_suballoc_bits+0xc80/0xfa0 fs/ocfs2/suballoc.c:2479
sp : ffff80001fdf73c0
x29: ffff80001fdf7500 x28: ffff0000dee24318 x27: dfff800000000000
x26: 000000000000ffff x25: ffff800009cfb410 x24: ffff0000ec4c4000
x23: 0000000000000e00 x22: ffff700003fbee84 x21: 0000000000000e00
x20: 000000052b6ac000 x19: 000000000001043f x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000112695d4 x15: 00000000fffffffc
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800009d00e44
x8 : ffff0000db218000 x7 : 0000000000000000 x6 : ffff800009cfb410
x5 : 000000000000ffff x4 : 000000052b6ac000 x3 : 0000000000000440
x2 : ffff0000def342b8 x1 : 0000000000000e00 x0 : 000000000001043f
Call trace:
 _ocfs2_free_suballoc_bits+0xc80/0xfa0 fs/ocfs2/suballoc.c:2479
 _ocfs2_free_clusters+0x4f0/0x994 fs/ocfs2/suballoc.c:2579
 ocfs2_free_clusters+0x50/0x68 fs/ocfs2/suballoc.c:2600
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5970 [inline]
 __ocfs2_flush_truncate_log+0x59c/0xf7c fs/ocfs2/alloc.c:6052
 ocfs2_flush_truncate_log+0x48/0x68 fs/ocfs2/alloc.c:6074
 ocfs2_sync_fs+0x100/0x2c0 fs/ocfs2/super.c:403
 sync_filesystem+0x1a0/0x218 fs/sync.c:66
 generic_shutdown_super+0x70/0x2f0 fs/super.c:448
 kill_block_super+0x70/0xdc fs/super.c:1427
 deactivate_locked_super+0xb8/0x134 fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x12c/0x1d8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 17fffec0 979df4de d4210000 979df4dc (d4210000) 
---[ end trace 925db76b5f2c395f ]---