------------[ cut here ]------------
WARNING: CPU: 0 PID: 24141 at fs/io_uring.c:1535 req_ref_put fs/io_uring.c:1535 [inline]
WARNING: CPU: 0 PID: 24141 at fs/io_uring.c:1535 req_ref_put fs/io_uring.c:1533 [inline]
WARNING: CPU: 0 PID: 24141 at fs/io_uring.c:1535 io_poll_double_wake+0x4fb/0x760 fs/io_uring.c:4974
Modules linked in:
CPU: 0 PID: 24141 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:1535 [inline]
RIP: 0010:req_ref_put fs/io_uring.c:1533 [inline]
RIP: 0010:io_poll_double_wake+0x4fb/0x760 fs/io_uring.c:4974
Code: 0a dc ff f0 41 ff 4c 24 5c 0f 94 c3 31 ff 89 de e8 1a 64 96 ff 84 db b8 01 00 00 00 0f 84 6f fc ff ff 89 04 24 e8 55 5c 96 ff <0f> 0b 8b 04 24 e9 5d fc ff ff e8 46 5c 96 ff 4c 89 e5 e9 a1 fb ff
RSP: 0018:ffffc90002a47ad8 EFLAGS: 00010016
RAX: 0000000000009e4f RBX: 0000000000000001 RCX: ffffc900148bf000
RDX: 0000000000040000 RSI: ffffffff81de625b RDI: 0000000000000003
RBP: ffff888037354c1c R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81de6246 R11: 0000000000000000 R12: ffff888037354bc0
R13: 0000000000000000 R14: ffff888037354bf0 R15: ffff8880185cf0a0
FS:  00007f5e840b2700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d827000 CR3: 0000000016f0f000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __wake_up_common+0x147/0x650 kernel/sched/wait.c:108
 __wake_up_common_lock+0xd0/0x130 kernel/sched/wait.c:138
 tty_ldisc_lock+0x55/0xb0 drivers/tty/tty_ldisc.c:322
 tty_ldisc_hangup+0x200/0x680 drivers/tty/tty_ldisc.c:738
 __tty_hangup.part.0+0x40a/0x830 drivers/tty/tty_io.c:639
 __tty_hangup drivers/tty/tty_io.c:594 [inline]
 tty_vhangup drivers/tty/tty_io.c:711 [inline]
 tty_ioctl+0xf6a/0x1600 drivers/tty/tty_io.c:2745
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:1069 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5e840b2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000005437 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038
R13: 00007ffcb59fa4df R14: 00007f5e840b2300 R15: 0000000000022000