------------[ cut here ]------------
kernel BUG at fs/f2fs/data.c:356!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:f2fs_write_end_io+0xb52/0xb60 fs/f2fs/data.c:355
Code: e8 23 64 16 fe e9 91 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c e3 f6 ff ff 48 89 df e8 99 64 16 fe e9 d6 f6 ff ff e8 2f c1 b4 fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000a3f998 EFLAGS: 00010246
RAX: ffffffff84098c01 RBX: 0000000000000000 RCX: ffff88801c2e9e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: ffff88803ce9cc80 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffff940002e8d19 R12: 0000000000000006
R13: ffffea00017468c0 R14: 000000000000000b R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126ccd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4e345ed58 CR3: 00000000341c0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_update_request+0x57e/0xe60 block/blk-mq.c:998
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1160
 blk_complete_reqs block/blk-mq.c:1235 [inline]
 blk_done_softirq+0x10a/0x160 block/blk-mq.c:1240
 handle_softirqs+0x22f/0x710 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 run_ktimerd+0xcf/0x190 kernel/softirq.c:1138
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4b9/0x870 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+0xb52/0xb60 fs/f2fs/data.c:355
Code: e8 23 64 16 fe e9 91 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c e3 f6 ff ff 48 89 df e8 99 64 16 fe e9 d6 f6 ff ff e8 2f c1 b4 fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000a3f998 EFLAGS: 00010246
RAX: ffffffff84098c01 RBX: 0000000000000000 RCX: ffff88801c2e9e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: ffff88803ce9cc80 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffff940002e8d19 R12: 0000000000000006
R13: ffffea00017468c0 R14: 000000000000000b R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126ccd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4e345ed58 CR3: 00000000341c0000 CR4: 00000000003526f0