panic: Stack for running G's are skipped while panicking. Sentry detected 1 stuck task(s): Task tid: 53 (0x35), entered RunSys state 3m36.69s ago. DIAGNOSIS: I0212 19:49:31.761534 22114 log.go:209] *************************** I0212 19:49:31.761665 22114 log.go:209] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=sandbox -TESTONLY-unsafe-nonroot debug -stacks --ps ci-gvisor-ptrace-proxy-sandbox-race-0] I0212 19:49:31.761849 22114 log.go:209] Version release-20200127.0-134-g5205bc7e583f I0212 19:49:31.761930 22114 log.go:209] PID: 22114 I0212 19:49:31.762012 22114 log.go:209] UID: 0, GID: 0 I0212 19:49:31.762100 22114 log.go:209] Configuration: I0212 19:49:31.762159 22114 log.go:209] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0212 19:49:31.762236 22114 log.go:209] Platform: ptrace I0212 19:49:31.762300 22114 log.go:209] FileAccess: shared, overlay: false I0212 19:49:31.762388 22114 log.go:209] Network: sandbox, logging: false I0212 19:49:31.762476 22114 log.go:209] Strace: false, max size: 1024, syscalls: [] I0212 19:49:31.762571 22114 log.go:209] *************************** W0212 19:49:31.762648 22114 log.go:216] Block the TERM signal. This is only safe in tests! D0212 19:49:31.763492 22114 log.go:202] Load container "/syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root" "ci-gvisor-ptrace-proxy-sandbox-race-0" D0212 19:49:31.773323 22114 log.go:202] Signal container "ci-gvisor-ptrace-proxy-sandbox-race-0": signal 0 D0212 19:49:31.773521 22114 log.go:202] Signal sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0" D0212 19:49:31.773671 22114 log.go:202] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0" D0212 19:49:31.774855 22114 log.go:202] urpc: successfully marshalled 117 bytes. I0212 19:49:31.920312 22114 log.go:209] Found sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0", PID: 58938 I0212 19:49:31.920478 22114 log.go:209] Retrieving sandbox stacks D0212 19:49:31.920619 22114 log.go:202] Stacks sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0" D0212 19:49:31.920764 22114 log.go:202] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0" D0212 19:49:31.921000 22114 log.go:202] urpc: successfully marshalled 36 bytes. W0212 19:49:31.927824 22114 log.go:216] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer W0212 19:49:31.928154 22114 log.go:216] Failure to execute command, err: 1