[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.15' (ECDSA) to the list of known hosts.
syzkaller login: [   46.664122][ T8380] 
[   46.666474][ T8380] ====================================
[   46.672280][ T8380] WARNING: iou-sqp-8379/8380 still has locks held!
[   46.678933][ T8380] 5.12.0-rc5-syzkaller #0 Not tainted
[   46.684398][ T8380] ------------------------------------
[   46.689838][ T8380] 1 lock held by iou-sqp-8379/8380:
[   46.695175][ T8380]  #0: ffff88801242b070 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread+0xfba/0x13b0
[   46.704458][ T8380] 
[   46.704458][ T8380] stack backtrace:
[   46.710339][ T8380] CPU: 1 PID: 8380 Comm: iou-sqp-8379 Not tainted 5.12.0-rc5-syzkaller #0
[   46.718848][ T8380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   46.728884][ T8380] Call Trace:
[   46.732205][ T8380]  dump_stack+0x176/0x24e
[   46.736549][ T8380]  get_signal+0x127/0x2030
[   46.740943][ T8380]  ? io_sq_thread+0x10bf/0x13b0
[   46.745771][ T8380]  ? rcu_read_lock_sched_held+0x41/0xb0
[   46.751297][ T8380]  ? _raw_spin_unlock_irqrestore+0x3f/0xc0
[   46.757078][ T8380]  ? lockdep_hardirqs_on+0x8d/0x130
[   46.762255][ T8380]  io_