list_del corruption. next->prev should be ffff888016dda230, but was ffff888016ddaf30. (next=ffff88805bd2cb30)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:54!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16232 Comm: syz-executor.3 Tainted: G        W         5.17.0-syzkaller-13673-ge8b767f5e040 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid.cold+0x4e/0x50 lib/list_debug.c:54
Code: f1 ff 0f 0b 4c 89 e2 48 89 ee 48 c7 c7 60 97 26 8a e8 ad 4f f1 ff 0f 0b 4c 89 e9 48 89 ee 48 c7 c7 40 98 26 8a e8 99 4f f1 ff <0f> 0b 83 c3 01 b8 ff ff 37 00 89 1d 59 0b 47 07 48 c1 e0 2a 65 48
RSP: 0018:ffffc900063b7a58 EFLAGS: 00010082
RAX: 000000000000006d RBX: ffff8880770f1c80 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815fcd18 RDI: fffff52000c76f3d
RBP: ffff888016dda230 R08: 000000000000006d R09: 0000000000000000
R10: ffffffff815f76ee R11: 0000000000000000 R12: ffff888016dda030
R13: ffff88805bd2cb30 R14: ffff888016dda230 R15: ffff888016dda208
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f7f78b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002c822000 CR3: 000000005acc5000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 list_del_init include/linux/list.h:206 [inline]
 io_poll_remove_entry fs/io_uring.c:5863 [inline]
 io_poll_remove_entries.part.0+0x167/0x7e0 fs/io_uring.c:5895
 io_poll_remove_entries fs/io_uring.c:5875 [inline]
 io_apoll_task_func+0xba/0x230 fs/io_uring.c:5995
 handle_tw_list fs/io_uring.c:2479 [inline]
 tctx_task_work+0x1a2/0x1380 fs/io_uring.c:2513
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 get_signal+0x1c5/0x24c0 kernel/signal.c:2681
 arch_do_signal_or_restart+0x88/0x1a10 arch/x86/kernel/signal.c:867
 exit_to_user_mode_loop kernel/entry/common.c:180 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:215
 __syscall_exit_to_user_mode_work kernel/entry/common.c:297 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:308
 __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: 0023:0xf7f7d549
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:00000000f7f785cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa
RAX: 0000000000000302 RBX: 0000000000000004 RCX: 0000000000000302
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid.cold+0x4e/0x50 lib/list_debug.c:54
Code: f1 ff 0f 0b 4c 89 e2 48 89 ee 48 c7 c7 60 97 26 8a e8 ad 4f f1 ff 0f 0b 4c 89 e9 48 89 ee 48 c7 c7 40 98 26 8a e8 99 4f f1 ff <0f> 0b 83 c3 01 b8 ff ff 37 00 89 1d 59 0b 47 07 48 c1 e0 2a 65 48
RSP: 0018:ffffc900063b7a58 EFLAGS: 00010082
RAX: 000000000000006d RBX: ffff8880770f1c80 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815fcd18 RDI: fffff52000c76f3d
RBP: ffff888016dda230 R08: 000000000000006d R09: 0000000000000000
R10: ffffffff815f76ee R11: 0000000000000000 R12: ffff888016dda030
R13: ffff88805bd2cb30 R14: ffff888016dda230 R15: ffff888016dda208
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f7f78b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002c822000 CR3: 000000005acc5000 CR4: 00000000003506e0
----------------
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