Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK [0[ 53.993135][ T6736] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6736 m] Started Updat[ 54.003210][ T6736] caller is ext4_mb_new_blocks+0xa4d/0x3b70 fs/ext4/mballoc.c:4711 e UTMP about Sys[ 54.010787][ T6736] CPU: 0 PID: 6736 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 tem Runlevel Cha[ 54.020035][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 nges. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts. 2020/06/14 22:36:52 fuzzer started 2020/06/14 22:36:53 connecting to host at 10.128.0.26:45329 2020/06/14 22:36:53 checking machine... 2020/06/14 22:36:53 checking revisions... 2020/06/14 22:36:53 testing simple program... 2020/06/14 22:36:55 building call list... executing program