------------[ cut here ]------------
kernel BUG at fs/f2fs/data.c:356!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 1109 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: events_unbound nsim_dev_trap_report_work
RIP: 0010:f2fs_write_end_io+0xf91/0xfd0 fs/f2fs/data.c:355
Code: c6 c0 e9 79 8b e8 df 48 08 fd 90 0f 0b e8 97 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 c8 48 08 fd 90 0f 0b e8 80 c7 a3 fd 90 <0f> 0b e8 78 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 a9 48 08 fd
RSP: 0018:ffffc90004927740 EFLAGS: 00010246
RAX: ffffffff841f6fc0 RBX: 000000000000000b RCX: ffff888026c78000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: ffff888000000000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffff940000edf09 R12: 000000001dbe1000
R13: ffffea000076f840 R14: 0000000000000000 R15: 0000000000000006
FS:  0000000000000000(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f594b40da08 CR3: 000000000d9b4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
 blk_complete_reqs block/blk-mq.c:1244 [inline]
 blk_done_softirq+0x10a/0x160 block/blk-mq.c:1249
 handle_softirqs+0x1de/0x640 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 __local_bh_enable_ip+0x170/0x2b0 kernel/softirq.c:302
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 spin_unlock_bh include/linux/spinlock_rt.h:111 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:890 [inline]
 nsim_dev_trap_report_work+0x7f2/0xbc0 drivers/net/netdevsim/dev.c:921
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
 worker_thread+0xda6/0x1360 kernel/workqueue.c:3421
 kthread+0x726/0x8b0 kernel/kthread.c:463
 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_write_end_io+0xf91/0xfd0 fs/f2fs/data.c:355
Code: c6 c0 e9 79 8b e8 df 48 08 fd 90 0f 0b e8 97 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 c8 48 08 fd 90 0f 0b e8 80 c7 a3 fd 90 <0f> 0b e8 78 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 a9 48 08 fd
RSP: 0018:ffffc90004927740 EFLAGS: 00010246
RAX: ffffffff841f6fc0 RBX: 000000000000000b RCX: ffff888026c78000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: ffff888000000000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffff940000edf09 R12: 000000001dbe1000
R13: ffffea000076f840 R14: 0000000000000000 R15: 0000000000000006
FS:  0000000000000000(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f594b40da08 CR3: 000000000d9b4000 CR4: 00000000003526f0