------------[ cut here ]------------
kernel BUG at fs/f2fs/data.c:387!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:f2fs_write_end_io+0xfb9/0xff0 fs/f2fs/data.c:387
Code: c6 60 8e 9a 8b e8 47 f1 fa fc 90 0f 0b e8 6f 95 97 fd 4c 89 ef 48 c7 c6 60 8e 9a 8b e8 30 f1 fa fc 90 0f 0b e8 58 95 97 fd 90 <0f> 0b e8 50 95 97 fd 4c 89 ef 48 c7 c6 60 8e 9a 8b e8 11 f1 fa fc
RSP: 0018:ffffc90000a4fb30 EFLAGS: 00010246
RAX: ffffffff842cd0b8 RBX: 0000000000000000 RCX: ffff88801d2b1e80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 000000005ee37000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffffbfff1ed4797 R12: 0000000000000006
R13: ffffea00017b8dc0 R14: 000000000000000b R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5ae073000 CR3: 0000000031522000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_update_request+0x57e/0xe60 block/blk-mq.c:1016
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1178
 blk_complete_reqs block/blk-mq.c:1253 [inline]
 blk_done_softirq+0x10a/0x160 block/blk-mq.c:1258
 handle_softirqs+0x1de/0x6f0 kernel/softirq.c:622
 run_ksoftirqd+0x52/0x180 kernel/softirq.c:1063
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_write_end_io+0xfb9/0xff0 fs/f2fs/data.c:387
Code: c6 60 8e 9a 8b e8 47 f1 fa fc 90 0f 0b e8 6f 95 97 fd 4c 89 ef 48 c7 c6 60 8e 9a 8b e8 30 f1 fa fc 90 0f 0b e8 58 95 97 fd 90 <0f> 0b e8 50 95 97 fd 4c 89 ef 48 c7 c6 60 8e 9a 8b e8 11 f1 fa fc
RSP: 0018:ffffc90000a4fb30 EFLAGS: 00010246
RAX: ffffffff842cd0b8 RBX: 0000000000000000 RCX: ffff88801d2b1e80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 000000005ee37000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffffbfff1ed4797 R12: 0000000000000006
R13: ffffea00017b8dc0 R14: 000000000000000b R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5ae073000 CR3: 0000000031522000 CR4: 00000000003526f0