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WARNING: CPU: 0 PID: 8233 at fs/io_uring.c:1546 req_ref_put fs/io_uring.c:1546 [inline]
WARNING: CPU: 0 PID: 8233 at fs/io_uring.c:1546 req_ref_put fs/io_uring.c:1544 [inline]
WARNING: CPU: 0 PID: 8233 at fs/io_uring.c:1546 io_poll_double_wake+0x4fb/0x760 fs/io_uring.c:4986
Modules linked in:
CPU: 0 PID: 8233 Comm: agetty 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:req_ref_put fs/io_uring.c:1544 [inline]
RIP: 0010:io_poll_double_wake+0x4fb/0x760 fs/io_uring.c:4986
Code: e2 db ff f0 41 ff 4c 24 5c 0f 94 c3 31 ff 89 de e8 4a b4 95 ff 84 db b8 01 00 00 00 0f 84 6f fc ff ff 89 04 24 e8 f5 ad 95 ff <0f> 0b 8b 04 24 e9 5d fc ff ff e8 e6 ad 95 ff 4c 89 e5 e9 a1 fb ff
RSP: 0018:ffffc9000c4f7ae8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88801fc80000 RSI: ffffffff81dfdadb RDI: 0000000000000003
RBP: ffff88807ba1ea5c R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81dfdac6 R11: 0000000000000000 R12: ffff88807ba1ea00
R13: 0000000000000004 R14: ffff88807ba1ea30 R15: ffff888016b2ef20
FS:  00007f27f658e500(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12fe095fe8 CR3: 00000000361c3000 CR4: 0000000000350ef0
Call Trace:
 __wake_up_common+0x147/0x650 kernel/sched/wait.c:108
 __wake_up_common_lock+0xd0/0x130 kernel/sched/wait.c:138
 tty_write_unlock drivers/tty/tty_io.c:956 [inline]
 do_tty_write drivers/tty/tty_io.c:1063 [inline]
 file_tty_write.constprop.0+0x628/0x910 drivers/tty/tty_io.c:1110
 call_write_iter include/linux/fs.h:2114 [inline]
 new_sync_write+0x426/0x650 fs/read_write.c:518
 vfs_write+0x75a/0xa40 fs/read_write.c:605
 ksys_write+0x12d/0x250 fs/read_write.c:658
 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: 0033:0x7f27f60ab970
Code: 73 01 c3 48 8b 0d 28 d5 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 99 2d 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 7e 9b 01 00 48 89 04 24
RSP: 002b:00007ffd8ccd7ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f27f60ab970
RDX: 0000000000000002 RSI: 0000563b78a09ea9 RDI: 0000000000000001
RBP: 00007ffd8ccd8620 R08: ffffffffffffff98 R09: 00007ffd8ccd70d0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8ccd7f10
R13: 00007f27f658e498 R14: 0000563b78a09ea9 R15: 00007ffd8ccd8290