------------[ cut here ]------------
WARNING: CPU: 0 PID: 15453 at fs/io_uring.c:1546 req_ref_put fs/io_uring.c:1546 [inline]
WARNING: CPU: 0 PID: 15453 at fs/io_uring.c:1546 io_poll_double_wake+0x545/0x5c0 fs/io_uring.c:4986
Modules linked in:
CPU: 0 PID: 15453 Comm: syz-executor.5 Not tainted 5.14.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:req_ref_put fs/io_uring.c:1546 [inline]
RIP: 0010:io_poll_double_wake+0x545/0x5c0 fs/io_uring.c:4986
Code: 24 e8 2f ba 91 ff bd 01 00 00 00 89 e8 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 14 ba 91 ff 0f 0b eb b7 e8 0b ba 91 ff <0f> 0b eb d8 89 d9 80 e1 07 38 c1 0f 8c 13 fb ff ff 48 89 df e8 a2
RSP: 0018:ffffc90001d4fb48 EFLAGS: 00010093
RAX: ffffffff81ee6805 RBX: 0000000000000001 RCX: ffff88801b063880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888032ccf508 R08: ffffffff81ee67d8 R09: ffffed1006599eac
R10: ffffed1006599eac R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888032ccf500 R14: ffff888032ccf55c R15: 1ffff11006599ea1
FS:  0000000001a9d400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e4da0 CR3: 0000000022d21000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __wake_up_common+0x2aa/0x4e0 kernel/sched/wait.c:108
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up+0x145/0x210 kernel/sched/wait.c:157
 pty_close+0x24f/0x410 drivers/tty/pty.c:68
 tty_release+0x30c/0xef0 drivers/tty/tty_io.c:1771
 __fput+0x352/0x7b0 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x201/0x220 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:302
 do_syscall_64+0x4c/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4193fb
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007fffccbb2ef0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00000000004193fb
RDX: 00000000005707f8 RSI: 00007f8b187ed9c0 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2d324f64
R10: 0000000000001723 R11: 0000000000000293 R12: 000000000004340a
R13: 00000000000003e8 R14: 000000000056bf80 R15: 00000000000433b6