------------[ cut here ]------------
WARNING: CPU: 0 PID: 10720 at fs/io_uring.c:1513 req_ref_put fs/io_uring.c:1513 [inline]
WARNING: CPU: 0 PID: 10720 at fs/io_uring.c:1513 req_ref_put fs/io_uring.c:1511 [inline]
WARNING: CPU: 0 PID: 10720 at fs/io_uring.c:1513 io_poll_double_wake+0x516/0x770 fs/io_uring.c:4982
Modules linked in:
CPU: 0 PID: 10720 Comm: syz-executor.2 Not tainted 5.13.0-rc4-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:req_ref_put fs/io_uring.c:1513 [inline]
RIP: 0010:req_ref_put fs/io_uring.c:1511 [inline]
RIP: 0010:io_poll_double_wake+0x516/0x770 fs/io_uring.c:4982
Code: e8 3f fc db ff f0 ff 4d 5c 0f 94 c3 31 ff 89 de e8 4f 78 97 ff 84 db b8 01 00 00 00 0f 84 57 fc ff ff 89 04 24 e8 2a 70 97 ff <0f> 0b 8b 04 24 e9 45 fc ff ff e8 1b 70 97 ff 49 89 ec e9 83 fb ff
RSP: 0018:ffffc900013b76f0 EFLAGS: 00010016
RAX: 000000000001054c RBX: 0000000000000001 RCX: ffffc90022613000
RDX: 0000000000040000 RSI: ffffffff81dca136 RDI: 0000000000000003
RBP: ffff88801b86ae80 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81dca121 R11: 0000000000000000 R12: ffff88801b86aedc
R13: 0000000000000000 R14: ffff88801b86aeb0 R15: ffff888016050aa0
FS:  00007efe07987700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe07986d58 CR3: 00000000709c7000 CR4: 0000000000150ef0
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:337
 tty_reopen+0x19f/0x2b0 drivers/tty/tty_io.c:1374
 tty_open_by_driver drivers/tty/tty_io.c:2096 [inline]
 tty_open+0xad8/0x1000 drivers/tty/tty_io.c:2150
 chrdev_open+0x266/0x770 fs/char_dev.c:414
 do_dentry_open+0x4b9/0x11b0 fs/open.c:826
 do_open fs/namei.c:3361 [inline]
 path_openat+0x1c0e/0x27e0 fs/namei.c:3494
 do_filp_open+0x190/0x3d0 fs/namei.c:3521
 do_sys_openat2+0x16d/0x420 fs/open.c:1187
 do_sys_open fs/open.c:1203 [inline]
 __do_sys_openat fs/open.c:1219 [inline]
 __se_sys_openat fs/open.c:1214 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1214
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4196c4
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007efe07986cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004196c4
RDX: 0000000000000002 RSI: 00007efe07986d60 RDI: 00000000ffffff9c
RBP: 00007efe07986d60 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00007ffe58f41d7f R14: 00007efe07987300 R15: 0000000000022000