[  OK  ] Started Daily apt upgrade and clean activities.
[  OK  ] Reached target Timers.
[  OK  ] Started Regular background program processing daemon.
         Starting Permit User Sessions...
         Starting System Logging Service...
[  OK  ] Started Permit User Sessions.
[  OK  ] Started System Logging Service.
[  OK  ] Found device /dev/ttyS0.
[  OK  ] Started OpenBSD Secure Shell server.
[  OK  ] Started getty on tty2-tty6 if dbus and logind are not available.
[  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 Getty on tty1.
[  OK  ] Started Serial Getty on ttyS0.
[  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 '10.128.0.48' (ECDSA) to the list of known hosts.

Debian GNU/Linux 9 syzkaller ttyS0

2020/10/18 18:46:34 fuzzer started
2020/10/18 18:46:35 dialing manager at 10.128.0.26:33085
2020/10/18 18:46:35 syscalls: 3448
2020/10/18 18:46:35 code coverage: enabled
2020/10/18 18:46:35 comparison tracing: enabled
2020/10/18 18:46:35 extra coverage: enabled
2020/10/18 18:46:35 setuid sandbox: enabled
2020/10/18 18:46:35 namespace sandbox: enabled
2020/10/18 18:46:35 Android sandbox: enabled
2020/10/18 18:46:35 fault injection: enabled
2020/10/18 18:46:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/10/18 18:46:35 net packet injection: enabled
2020/10/18 18:46:35 net device setup: enabled
2020/10/18 18:46:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2020/10/18 18:46:35 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/10/18 18:46:35 USB emulation: enabled
2020/10/18 18:46:35 hci packet injection: enabled
2020/10/18 18:46:35 wifi device emulation: enabled
syzkaller login: [  137.856242][    C1] WARNING: can't access registers at asm_sysvec_reschedule_ipi+0x12/0x20