[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts. executing program Debian GNU/Linux 9 syzkaller ttyS0 [ 79.173466][ T38] audit: type=1400 audit(1617286089.403:8): avc: denied { execmem } for pid=8402 comm="syz-executor636" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 79.181955][ T8403] [ 79.198089][ T8403] ==================================== [ 79.203732][ T8403] WARNING: iou-sqp-8402/8403 still has locks held! syzkaller login: [ 79.211902][ T8403] 5.12.0-rc5-syzkaller #0 Not tainted [ 79.218018][ T8403] ------------------------------------ [ 79.223884][ T8403] 1 lock held by iou-sqp-8402/8403: [ 79.229150][ T8403] #0: ffff88802ef22c70 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread+0x24c/0x13a0 [ 79.238364][ T8403] [ 79.238364][ T8403] stack backtrace: [ 79.244747][ T8403] CPU: 1 PID: 8403 Comm: iou-sqp-8402 Not tainted 5.12.0-rc5-syzkaller #0 [ 79.254273][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.265123][ T8403] Call Trace: [ 79.268829][ T8403] dump_stack+0x141/0x1d7 [ 79.274810][ T8403] get_signal+0x171a/0x2150 [ 79.279331][ T8403] ? affine_move_task+0x1000/0x1000 [ 79.284534][ T8403] ? _raw_spin_unlock+0x24/0x40 [ 79.290698][ T8403] io_sq_thread+0x8d2/0x13a0 [ 79.297049][ T8403] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 79.303400][ T8403] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 79.309369][ T8403] ? io_submit_sqes+0x63e0/0x63e0 [ 79.314494][ T8403] ? finish_wait+0x260/0x260 [ 79.319077][ T8403] ? find_held_lock+0x2d/0x110 [ 79.3238