panic: Stack for running G's are skipped while panicking. Sentry detected 2 stuck task(s): Task tid: 64217 (0xfad9), entered RunSys state 3m44.87s ago. Task tid: 64222 (0xfade), entered RunSys state 3m44.82s ago. Search for '(*Task).run(0x..., 0x)' in the stack dump to find the offending goroutine goroutine 48 [running]: DIAGNOSIS: I0206 16:48:35.296248 44260 log.go:209] *************************** I0206 16:48:35.296362 44260 log.go:209] Args: [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=host debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-3] I0206 16:48:35.296421 44260 log.go:209] Version release-20200127.0-84-gf3d95607036b I0206 16:48:35.296496 44260 log.go:209] PID: 44260 I0206 16:48:35.296531 44260 log.go:209] UID: 0, GID: 0 I0206 16:48:35.296578 44260 log.go:209] Configuration: I0206 16:48:35.296636 44260 log.go:209] RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root I0206 16:48:35.296668 44260 log.go:209] Platform: ptrace I0206 16:48:35.296720 44260 log.go:209] FileAccess: shared, overlay: false I0206 16:48:35.296776 44260 log.go:209] Network: host, logging: false I0206 16:48:35.296817 44260 log.go:209] Strace: false, max size: 1024, syscalls: [] I0206 16:48:35.296866 44260 log.go:209] *************************** D0206 16:48:35.299821 44260 log.go:202] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-3" D0206 16:48:35.302941 44260 log.go:202] Signal container "ci-gvisor-ptrace-direct-overlay-host-3": signal 0 D0206 16:48:35.303025 44260 log.go:202] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-3" D0206 16:48:35.303059 44260 log.go:202] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-3" D0206 16:48:35.303337 44260 log.go:202] urpc: successfully marshalled 118 bytes. I0206 16:48:38.596038 44260 log.go:209] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-3", PID: 2482 I0206 16:48:38.596081 44260 log.go:209] Retrieving sandbox stacks D0206 16:48:38.596092 44260 log.go:202] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-3" D0206 16:48:38.596106 44260 log.go:202] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-3" D0206 16:48:38.596171 44260 log.go:202] urpc: successfully marshalled 36 bytes. W0206 16:48:38.681717 44260 log.go:216] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer W0206 16:48:38.681856 44260 log.go:216] Failure to execute command, err: 1