panic: Stack for running G's are skipped while panicking. Sentry detected 1 stuck task(s): Task tid: 54320 (0xd430), entered RunSys state 3m20.89s ago. Search for '(*Task).run(0x..., 0x)' in the stack dump to find the offending goroutine goroutine 186 [running]: DIAGNOSIS: I0210 15:04:15.505642 9984 log.go:209] *************************** I0210 15:04:15.505698 9984 log.go:209] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=none debug -stacks --ps ci-gvisor-main-1] I0210 15:04:15.505747 9984 log.go:209] Version release-20200127.0-99-g17b9f5e66238 I0210 15:04:15.505761 9984 log.go:209] PID: 9984 I0210 15:04:15.505783 9984 log.go:209] UID: 0, GID: 0 I0210 15:04:15.505799 9984 log.go:209] Configuration: I0210 15:04:15.505811 9984 log.go:209] RootDir: /syzkaller/managers/main/workdir/gvisor_root I0210 15:04:15.505823 9984 log.go:209] Platform: ptrace I0210 15:04:15.505835 9984 log.go:209] FileAccess: shared, overlay: false I0210 15:04:15.505859 9984 log.go:209] Network: none, logging: false I0210 15:04:15.505879 9984 log.go:209] Strace: false, max size: 1024, syscalls: [] I0210 15:04:15.505892 9984 log.go:209] *************************** D0210 15:04:15.505951 9984 log.go:202] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-1" D0210 15:04:15.517102 9984 log.go:202] Signal container "ci-gvisor-main-1": signal 0 D0210 15:04:15.517167 9984 log.go:202] Signal sandbox "ci-gvisor-main-1" D0210 15:04:15.517197 9984 log.go:202] Connecting to sandbox "ci-gvisor-main-1" D0210 15:04:15.533109 9984 log.go:202] urpc: successfully marshalled 96 bytes. I0210 15:04:15.956843 9984 log.go:209] Found sandbox "ci-gvisor-main-1", PID: 62030 I0210 15:04:15.956896 9984 log.go:209] Retrieving sandbox stacks D0210 15:04:15.957397 9984 log.go:202] Stacks sandbox "ci-gvisor-main-1" D0210 15:04:15.957443 9984 log.go:202] Connecting to sandbox "ci-gvisor-main-1" D0210 15:04:15.957532 9984 log.go:202] urpc: successfully marshalled 36 bytes. W0210 15:04:16.088003 9984 log.go:216] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-main-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-main-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer W0210 15:04:16.088182 9984 log.go:216] Failure to execute command, err: 1