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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: 6689 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: bat_events batadv_nc_worker
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 : ffff800097b47bc0
x29: ffff800097b47c20 x28: 0000000000000006 x27: ffff000104ff5dc0
x26: 0000000000000000 x25: 0000000000000000 x24: 000000000000000b
x23: 00000000050b82c0 x22: fffffdffc40b82c0 x21: ffff000102e0b000
x20: ffff0000d375c000 x19: dfff800000000000 x18: 1fffe00033793888
x17: ffff80008f7ee000 x16: ffff80008b021028 x15: 0000000000000005
x14: 1ffff00012f68f7e x13: 0000000000000000 x12: 0000000000000000
x11: 000000002454a64e x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cae3bd00 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
 __do_softirq+0x14/0x20 kernel/softirq.c:613
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:68
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:891
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:73
 do_softirq+0x90/0xf8 kernel/softirq.c:480
 __local_bh_enable_ip+0x240/0x35c kernel/softirq.c:407
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
 _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_nc_purge_paths+0x2f4/0x37c net/batman-adv/network-coding.c:471
 batadv_nc_worker+0x2d0/0x554 net/batman-adv/network-coding.c:720
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 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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