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kernel BUG at fs/f2fs/data.c:387!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 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 a0 6d 9a 8b e8 87 91 fb fc 90 0f 0b e8 1f 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 70 91 fb fc 90 0f 0b e8 08 24 98 fd 90 <0f> 0b e8 00 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 51 91 fb fc
RSP: 0018:ffffc90000157b38 EFLAGS: 00010246
RAX: ffffffff842c2ed8 RBX: 0000000000000000 RCX: ffff88801caa0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 000000002a4c1000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffffbfff1ed44b7 R12: 0000000000000006
R13: ffffea0000a93040 R14: 0000000000000003 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126343000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc403a02ffc CR3: 000000002427c000 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
 __do_softirq kernel/softirq.c:656 [inline]
 run_ktimerd+0x69/0x100 kernel/softirq.c:1138
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 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 a0 6d 9a 8b e8 87 91 fb fc 90 0f 0b e8 1f 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 70 91 fb fc 90 0f 0b e8 08 24 98 fd 90 <0f> 0b e8 00 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 51 91 fb fc
RSP: 0018:ffffc90000157b38 EFLAGS: 00010246
RAX: ffffffff842c2ed8 RBX: 0000000000000000 RCX: ffff88801caa0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 000000002a4c1000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffffbfff1ed44b7 R12: 0000000000000006
R13: ffffea0000a93040 R14: 0000000000000003 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126343000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc403a02ffc CR3: 000000002427c000 CR4: 00000000003526f0