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kernel BUG at fs/f2fs/data.c:356!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 43400005 (nZcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : f2fs_write_end_io+0xa4c/0xa70 fs/f2fs/data.c:355
lr : f2fs_write_end_io+0xa4c/0xa70 fs/f2fs/data.c:355
sp : ffff800097ca7920
x29: ffff800097ca7980 x28: 0000000000000006 x27: ffff0000c67e9000
x26: 0000000000000000 x25: 0000000000000000 x24: 000000000000000b
x23: 0000000004de9300 x22: fffffdffc3de9300 x21: ffff0000f7a4c000
x20: ffff0000c8228000 x19: dfff800000000000 x18: 1fffe0003378f088
x17: ffff80008f7ee000 x16: ffff80008b021140 x15: 0000000000000005
x14: 1ffff00012f94f2a x13: 0000000000000000 x12: 0000000000000000
x11: 000000002454a64e x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c1a03d00 x7 : ffff8000827585f0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 000000000000000b
Call trace:
 f2fs_write_end_io+0xa4c/0xa70 fs/f2fs/data.c:355 (P)
 bio_endio+0x858/0x894 block/bio.c:1651
 blk_update_request+0x474/0xba8 block/blk-mq.c:989
 blk_mq_end_request+0x54/0x88 block/blk-mq.c:1151
 lo_complete_rq+0x124/0x274 drivers/block/loop.c:314
 blk_complete_reqs block/blk-mq.c:1226 [inline]
 blk_done_softirq+0x11c/0x168 block/blk-mq.c:1231
 handle_softirqs+0x328/0xc88 kernel/softirq.c:579
 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968
 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:160
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: 17fffde7 977f70fe d4210000 977f70fc (d4210000) 
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