------------[ cut here ]------------
kernel BUG at fs/buffer.c:391!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.4.0-rc4-syzkaller-00268-g51f269a6ecc7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:end_buffer_async_write+0x2db/0x340 fs/buffer.c:391
Code: 65 00 fe 4c 89 ff e8 d4 a3 ff ff be 08 00 00 00 48 89 c7 48 89 c3 e8 b4 31 e0 ff f0 80 4b 01 01 e9 07 fe ff ff e8 45 62 8d ff <0f> 0b e8 3e 62 8d ff 0f 0b 48 89 df e8 34 2b e0 ff e9 d9 fe ff ff
RSP: 0018:ffffc90000147c98 EFLAGS: 00010246

RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff88801664bb80 RSI: ffffffff81f6e3fb RDI: 0000000000000001
RBP: ffff88806fbde570 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff81f6e120 R14: ffff88801e24ee00 R15: ffff88802a45a788
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42b45b0000 CR3: 000000007b04a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 end_bio_bh_io_sync+0xde/0x130 fs/buffer.c:2730
 bio_endio+0x5af/0x6c0 block/bio.c:1608
 req_bio_endio block/blk-mq.c:761 [inline]
 blk_update_request+0x5c5/0x1620 block/blk-mq.c:906
 blk_mq_end_request+0x59/0x4c0 block/blk-mq.c:1023
 lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370
 blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1101
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571
 run_ksoftirqd kernel/softirq.c:939 [inline]
 run_ksoftirqd+0x31/0x60 kernel/softirq.c:931
 smpboot_thread_fn+0x659/0x9e0 kernel/smpboot.c:164
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:end_buffer_async_write+0x2db/0x340 fs/buffer.c:391
Code: 65 00 fe 4c 89 ff e8 d4 a3 ff ff be 08 00 00 00 48 89 c7 48 89 c3 e8 b4 31 e0 ff f0 80 4b 01 01 e9 07 fe ff ff e8 45 62 8d ff <0f> 0b e8 3e 62 8d ff 0f 0b 48 89 df e8 34 2b e0 ff e9 d9 fe ff ff
RSP: 0018:ffffc90000147c98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff88801664bb80 RSI: ffffffff81f6e3fb RDI: 0000000000000001
RBP: ffff88806fbde570 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff81f6e120 R14: ffff88801e24ee00 R15: ffff88802a45a788
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42b45b0000 CR3: 000000007b04a000 CR4: 0000000000350ef0