panic: Stack for running G's are skipped while panicking. Sentry detected 1 stuck task(s): Task tid: 18931 (0x49f3), entered RunSys state 3m39.47s ago. Search for '(*Task).run(0x..., 0x)' in the stack dump to find the offending goroutine DIAGNOSIS: I0208 12:19:13.115090 56084 log.go:209] *************************** I0208 12:19:13.115349 56084 log.go:209] Args: [/syzkaller/managers/ptrace-direct-overlay-host-race/current/image -root /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=exclusive -overlay -network=host -TESTONLY-unsafe-nonroot debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-race-0] I0208 12:19:13.116791 56084 log.go:209] Version release-20200127.0-99-g17b9f5e66238 I0208 12:19:13.116902 56084 log.go:209] PID: 56084 I0208 12:19:13.117014 56084 log.go:209] UID: 0, GID: 0 I0208 12:19:13.117093 56084 log.go:209] Configuration: I0208 12:19:13.117182 56084 log.go:209] RootDir: /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root I0208 12:19:13.117267 56084 log.go:209] Platform: ptrace I0208 12:19:13.117359 56084 log.go:209] FileAccess: exclusive, overlay: true I0208 12:19:13.117488 56084 log.go:209] Network: host, logging: false I0208 12:19:13.117609 56084 log.go:209] Strace: false, max size: 1024, syscalls: [] I0208 12:19:13.117696 56084 log.go:209] *************************** W0208 12:19:13.117787 56084 log.go:216] Block the TERM signal. This is only safe in tests! D0208 12:19:13.136496 56084 log.go:202] Load container "/syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-race-0" D0208 12:19:13.201692 56084 log.go:202] Signal container "ci-gvisor-ptrace-direct-overlay-host-race-0": signal 0 D0208 12:19:13.201978 56084 log.go:202] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0" D0208 12:19:13.202116 56084 log.go:202] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0" D0208 12:19:13.207601 56084 log.go:202] urpc: successfully marshalled 123 bytes. W0208 12:19:14.269848 56084 log.go:216] FATAL ERROR: container sandbox is not running container sandbox is not running W0208 12:19:14.270247 56084 log.go:216] Failure to execute command, err: 1