W0529 01:23:25.051426 58519 x:0] FATAL ERROR: waiting on pid 28: waiting on PID 28 in sandbox "ci-gvisor-kvm-direct-sandbox-0": urpc method "containerManager.WaitPID" failed: EOF waiting on pid 28: waiting on PID 28 in sandbox "ci-gvisor-kvm-direct-sandbox-0": urpc method "containerManager.WaitPID" failed: EOF DIAGNOSIS: I0529 01:23:25.088362 63957 x:0] *************************** I0529 01:23:25.088417 63957 x:0] Args: [/syzkaller/managers/kvm-direct-sandbox/current/image -root /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=kvm -file-access=exclusive -network=sandbox debug -stacks ci-gvisor-kvm-direct-sandbox-0] I0529 01:23:25.088431 63957 x:0] Version release-20190304.1-233-ged5793808e9d I0529 01:23:25.088436 63957 x:0] PID: 63957 I0529 01:23:25.088442 63957 x:0] UID: 0, GID: 0 I0529 01:23:25.088445 63957 x:0] Configuration: I0529 01:23:25.088448 63957 x:0] RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root I0529 01:23:25.088452 63957 x:0] Platform: kvm I0529 01:23:25.088458 63957 x:0] FileAccess: exclusive, overlay: false I0529 01:23:25.088465 63957 x:0] Network: sandbox, logging: false I0529 01:23:25.088471 63957 x:0] Strace: false, max size: 1024, syscalls: [] I0529 01:23:25.088486 63957 x:0] *************************** D0529 01:23:25.088513 63957 x:0] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-0" D0529 01:23:25.090233 63957 x:0] Signal container "ci-gvisor-kvm-direct-sandbox-0": signal 0 D0529 01:23:25.090264 63957 x:0] Signal sandbox "ci-gvisor-kvm-direct-sandbox-0" D0529 01:23:25.090277 63957 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-0" D0529 01:23:25.090375 63957 x:0] urpc: successfully marshalled 110 bytes. I0529 01:23:25.138488 63957 x:0] Found sandbox "ci-gvisor-kvm-direct-sandbox-0", PID: 58057 I0529 01:23:25.138510 63957 x:0] Retrieving sandbox stacks D0529 01:23:25.138515 63957 x:0] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-0" D0529 01:23:25.138520 63957 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-0" W0529 01:23:25.138555 63957 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 58057: connection refused retrieving stacks: connecting to control server at PID 58057: connection refused