[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.157' (ECDSA) to the list of known hosts.
2021/10/13 19:07:45 fuzzer started
2021/10/13 19:07:46 dialing manager at 10.128.0.169:45863
2021/10/13 19:07:46 checking machine...
2021/10/13 19:07:46 checking revisions...
2021/10/13 19:07:46 testing simple program...
2021/10/13 19:07:46 Manager.Check call failed: machine check failed: host setup failed: failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154"]: exit status 67
write(cgroup.subtree_control, +cpu) failed: 2
write(cgroup.subtree_control, +memory) failed: 2
write(cgroup.subtree_control, +io) failed: 2
write(cgroup.subtree_control, +pids) failed: 2
write(cgroup.subtree_control, +rdma) failed: 2
mount(/syzcgroup/net, net) failed: 22
mount(/syzcgroup/net, net_cls) failed: 16
mount(/syzcgroup/net, net_prio) failed: 16
SYZFAIL: mount cgroup failed
(/syzcgroup/net, devices,blkio,freezer): 16
 (errno 16: Device or resource busy)
syzkaller login: [   84.432553][ T6538] cgroup: Unknown subsys name 'net'