------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11760 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
Code: 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 e0 e0 e3 89 e8 53 56 f2 ff 0f 0b 48 89 f1 48 c7 c7 60 e0 e3 89 4c 89 e6 e8 3f 56 f2 ff <0f> 0b 48 89 ee 48 c7 c7 00 e2 e3 89 e8 2e 56 f2 ff 0f 0b 4c 89 ea
RSP: 0018:ffffc9000173fb08 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88801c996000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815dc998 RDI: fffff520002e7f53
RBP: ffff888024e376c0 R08: 0000000000000075 R09: 0000000000000000
R10: ffffffff815d673e R11: 0000000000000000 R12: ffff88801c9966c0
R13: ffff888024e376c0 R14: ffff888024e37800 R15: ffff888024e37640
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f5531b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007ff4e5da1fb8 CR3: 000000001e468000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:67 [inline]
 list_add_tail include/linux/list.h:100 [inline]
 io_iopoll_req_issued fs/io_uring.c:2756 [inline]
 io_issue_sqe+0x3dfd/0x6ba0 fs/io_uring.c:6672
 __io_queue_sqe+0x90/0xb50 fs/io_uring.c:6864
 io_req_task_submit+0xbf/0x1b0 fs/io_uring.c:2218
 tctx_task_work+0x166/0x610 fs/io_uring.c:2143
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_signal include/linux/tracehook.h:212 [inline]
 handle_signal_work kernel/entry/common.c:146 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x256/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f37549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f55315fc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa
RAX: 0000000000000200 RBX: 0000000000000004 RCX: 00000000000045f5
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 6f2d6e4125fa7ae7 ]---
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
Code: 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 e0 e0 e3 89 e8 53 56 f2 ff 0f 0b 48 89 f1 48 c7 c7 60 e0 e3 89 4c 89 e6 e8 3f 56 f2 ff <0f> 0b 48 89 ee 48 c7 c7 00 e2 e3 89 e8 2e 56 f2 ff 0f 0b 4c 89 ea
RSP: 0018:ffffc9000173fb08 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88801c996000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815dc998 RDI: fffff520002e7f53
RBP: ffff888024e376c0 R08: 0000000000000075 R09: 0000000000000000
R10: ffffffff815d673e R11: 0000000000000000 R12: ffff88801c9966c0
R13: ffff888024e376c0 R14: ffff888024e37800 R15: ffff888024e37640
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f5531b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007ffe9de1dce7 CR3: 000000001e468000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi