panic: ptrace status unexpected: got 31, wanted stopped
stubStart	 = 00007fffffff0000


goroutine 1016535 [running]:
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).dumpAndPanic(0xc0006483c0, 0xc000f32040, 0x31)
	pkg/sentry/platform/ptrace/subprocess.go:327 +0x31a
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).wait(0xc0006483c0, 0x0, 0xab2e)
	pkg/sentry/platform/ptrace/subprocess.go:350 +0x290
DIAGNOSIS:
I0813 12:30:36.384807   57993 x:0] ***************************
I0813 12:30:36.384988   57993 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/current/image -root /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-1]
I0813 12:30:36.385148   57993 x:0] Version release-20190529.1-337-g9769a8eaa4b3
I0813 12:30:36.385210   57993 x:0] PID: 57993
I0813 12:30:36.385278   57993 x:0] UID: 0, GID: 0
I0813 12:30:36.385348   57993 x:0] Configuration:
I0813 12:30:36.385395   57993 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0813 12:30:36.385437   57993 x:0] 		Platform: ptrace
I0813 12:30:36.385467   57993 x:0] 		FileAccess: exclusive, overlay: true
I0813 12:30:36.385585   57993 x:0] 		Network: host, logging: false
I0813 12:30:36.385673   57993 x:0] 		Strace: false, max size: 1024, syscalls: []
I0813 12:30:36.385791   57993 x:0] ***************************
D0813 12:30:36.385916   57993 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-1"
D0813 12:30:36.395466   57993 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-1": signal 0
D0813 12:30:36.395617   57993 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0813 12:30:36.395718   57993 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0813 12:30:36.396349   57993 x:0] urpc: successfully marshalled 120 bytes.
I0813 12:30:36.693641   57993 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-1", PID: 27822
I0813 12:30:36.693783   57993 x:0] Retrieving sandbox stacks
D0813 12:30:36.693832   57993 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0813 12:30:36.693976   57993 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0813 12:30:36.694210   57993 x:0] urpc: successfully marshalled 36 bytes.
W0813 12:30:36.716605   57993 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0813 12:30:36.716943   57993 x:0] Failure to execute command, err: 1