[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 80.139535][ T37] audit: type=1400 audit(1617285029.574:8): avc: denied { execmem } for pid=8387 comm="syz-executor797" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 80.146209][ T8390] [ 80.163143][ T8390] ==================================== [ 80.168828][ T8390] WARNING: iou-sqp-8387/8390 still has locks held! [ 80.175413][ T8390] 5.12.0-rc5-syzkaller #0 Not tainted [ 80.180900][ T8390] ------------------------------------ [ 80.186638][ T8390] 1 lock held by iou-sqp-8387/8390: [ 80.192173][ T8390] #0: ffff888017fbb470 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread+0x24c/0x13a0 [ 80.201373][ T8390] [ 80.201373][ T8390] stack backtrace: [ 80.207651][ T8390] CPU: 0 PID: 8390 Comm: iou-sqp-8387 Not tainted 5.12.0-rc5-syzkaller #0 [ 80.216507][ T8390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.226804][ T8390] Call Trace: [ 80.230306][ T8390] dump_stack+0x141/0x1d7 [ 80.234645][ T8390] get_signal+0x171a/0x2150 [ 80.2391