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kernel BUG at fs/ocfs2/suballoc.c:2479!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4412 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : _ocfs2_free_suballoc_bits+0xd14/0x10cc fs/ocfs2/suballoc.c:2479
lr : _ocfs2_free_suballoc_bits+0xd14/0x10cc fs/ocfs2/suballoc.c:2479
sp : ffff800021177320
x29: ffff800021177480 x28: 00000000ffff8000 x27: dfff800000000000
x26: ffff0000e2655bb0 x25: ffff800009de9bb8 x24: ffff70000422ee74
x23: 0000000000000e00 x22: ffff8000211773a0 x21: 0000000000000e00
x20: 00000000546f2000 x19: 00000000ffff8ab0 x18: ffff800011b9bf60
x17: ffff80001835b000 x16: ffff8000082eef80 x15: 0000000000000000
x14: 00000000fffffffc x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff00800009def734 x10: 0000000000000000 x9 : ffff800009def734
x8 : ffff0000da270000 x7 : 0000000000000000 x6 : ffff800009de9bb8
x5 : 00000000ffff8000 x4 : 00000000546f2000 x3 : 0000000000000ab0
x2 : ffff0000e019dcb0 x1 : 0000000000000e00 x0 : 00000000ffff8ab0
Call trace:
 _ocfs2_free_suballoc_bits+0xd14/0x10cc fs/ocfs2/suballoc.c:2479
 _ocfs2_free_clusters+0x50c/0xa1c fs/ocfs2/suballoc.c:2579
 ocfs2_free_clusters+0x50/0x68 fs/ocfs2/suballoc.c:2600
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
 __ocfs2_flush_truncate_log+0x5dc/0x10a8 fs/ocfs2/alloc.c:6054
 ocfs2_flush_truncate_log+0x48/0x68 fs/ocfs2/alloc.c:6076
 ocfs2_sync_fs+0x100/0x2c0 fs/ocfs2/super.c:402
 sync_filesystem+0x1a0/0x218 fs/sync.c:66
 generic_shutdown_super+0x70/0x324 fs/super.c:474
 kill_block_super+0x70/0xdc fs/super.c:1470
 deactivate_locked_super+0xac/0x120 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x390/0x418 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1ec/0x278 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x1fa0/0x2aa4 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 17fffea2 979aefbc d4210000 979aefba (d4210000) 
---[ end trace 0000000000000000 ]---