panic: Stack for running G's are skipped while panicking. Sentry detected 1 stuck task(s): Task tid: 3755 (0xeab), entered RunSys state 3m16.47s ago. DIAGNOSIS: I0209 21:06:04.554498 64353 log.go:209] *************************** I0209 21:06:04.554559 64353 log.go:209] Args: [/syzkaller/managers/kvm-direct-sandbox/current/image -root /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=kvm -file-access=exclusive -network=sandbox debug -stacks --ps ci-gvisor-kvm-direct-sandbox-1] I0209 21:06:04.554598 64353 log.go:209] Version release-20200127.0-91-gbfa4a235f401 I0209 21:06:04.554608 64353 log.go:209] PID: 64353 I0209 21:06:04.554619 64353 log.go:209] UID: 0, GID: 0 I0209 21:06:04.554628 64353 log.go:209] Configuration: I0209 21:06:04.554636 64353 log.go:209] RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root I0209 21:06:04.554644 64353 log.go:209] Platform: kvm I0209 21:06:04.554675 64353 log.go:209] FileAccess: exclusive, overlay: false I0209 21:06:04.554691 64353 log.go:209] Network: sandbox, logging: false I0209 21:06:04.554702 64353 log.go:209] Strace: false, max size: 1024, syscalls: [] I0209 21:06:04.554712 64353 log.go:209] *************************** D0209 21:06:04.556359 64353 log.go:202] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-1" D0209 21:06:04.565084 64353 log.go:202] Signal container "ci-gvisor-kvm-direct-sandbox-1": signal 0 D0209 21:06:04.567835 64353 log.go:202] Signal sandbox "ci-gvisor-kvm-direct-sandbox-1" D0209 21:06:04.567871 64353 log.go:202] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-1" D0209 21:06:04.570411 64353 log.go:202] urpc: successfully marshalled 110 bytes. I0209 21:06:05.032180 64353 log.go:209] Found sandbox "ci-gvisor-kvm-direct-sandbox-1", PID: 42128 I0209 21:06:05.032227 64353 log.go:209] Retrieving sandbox stacks D0209 21:06:05.032238 64353 log.go:202] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-1" D0209 21:06:05.032263 64353 log.go:202] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-1" D0209 21:06:05.032318 64353 log.go:202] urpc: successfully marshalled 36 bytes. W0209 21:06:05.111351 64353 log.go:216] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer W0209 21:06:05.111478 64353 log.go:216] Failure to execute command, err: 1