------------[ cut here ]------------
kernel BUG at fs/f2fs/data.c:388!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:f2fs_write_end_io+0x16df/0x1740
Code: 40 c1 1b 8c e8 c2 e2 ed fc 90 0f 0b e8 7a 96 8b fd 48 8b 3c 24 48 c7 c6 40 c1 1b 8c e8 aa e2 ed fc 90 0f 0b e8 62 96 8b fd 90 <0f> 0b e8 5a 96 8b fd 48 8b 3c 24 48 c7 c6 40 c1 1b 8c e8 8a e2 ed
RSP: 0018:ffffc900001d7b10 EFLAGS: 00010246
RAX: ffffffff843a2b6e RBX: ffffea0006bad880 RCX: ffff8881604b5880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 000000000000000b
RBP: dffffc0000000000 R08: ffffffff9030b6f7 R09: 1ffffffff20616de
R10: dffffc0000000000 R11: fffffbfff20616df R12: 00000001aeb62000
R13: ffffea0006bad8c0 R14: 000000000000000b R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcaac07ff8 CR3: 000000010b972000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 blk_update_request+0x57e/0xe60
 blk_mq_end_request+0x3e/0x70
 blk_done_softirq+0x10a/0x160
 handle_softirqs+0x22a/0x840
 run_ksoftirqd+0x36/0x60
 smpboot_thread_fn+0x541/0xa50
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_write_end_io+0x16df/0x1740
Code: 40 c1 1b 8c e8 c2 e2 ed fc 90 0f 0b e8 7a 96 8b fd 48 8b 3c 24 48 c7 c6 40 c1 1b 8c e8 aa e2 ed fc 90 0f 0b e8 62 96 8b fd 90 <0f> 0b e8 5a 96 8b fd 48 8b 3c 24 48 c7 c6 40 c1 1b 8c e8 8a e2 ed
RSP: 0018:ffffc900001d7b10 EFLAGS: 00010246
RAX: ffffffff843a2b6e RBX: ffffea0006bad880 RCX: ffff8881604b5880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 000000000000000b
RBP: dffffc0000000000 R08: ffffffff9030b6f7 R09: 1ffffffff20616de
R10: dffffc0000000000 R11: fffffbfff20616df R12: 00000001aeb62000
R13: ffffea0006bad8c0 R14: 000000000000000b R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcaac07ff8 CR3: 000000000e74a000 CR4: 00000000000006f0
