WARNING: DATA RACE
DIAGNOSIS:
I0323 18:09:13.533817   35931 x:0] ***************************
I0323 18:09:13.534489   35931 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 -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-2]
I0323 18:09:13.534646   35931 x:0] Git Revision: cea1dd7d21b976ad5cb145b94be7b1bf879235be
I0323 18:09:13.534690   35931 x:0] PID: 35931
I0323 18:09:13.534775   35931 x:0] UID: 0, GID: 0
I0323 18:09:13.535202   35931 x:0] Configuration:
I0323 18:09:13.535222   35931 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0323 18:09:13.535238   35931 x:0] 		Platform: ptrace
I0323 18:09:13.535276   35931 x:0] 		FileAccess: exclusive, overlay: true
I0323 18:09:13.535329   35931 x:0] 		Network: host, logging: false
I0323 18:09:13.535353   35931 x:0] 		Strace: false, max size: 1024, syscalls: []
I0323 18:09:13.535609   35931 x:0] ***************************
D0323 18:09:13.535828   35931 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0323 18:09:13.566798   35931 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0323 18:09:13.566893   35931 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0323 18:09:13.566930   35931 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0323 18:09:13.569423   35931 x:0] urpc: successfully marshalled 120 bytes.
D0323 18:09:13.595909   35931 x:0] urpc: unmarshal success.
I0323 18:09:13.596078   35931 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 42251
I0323 18:09:13.596189   35931 x:0] Retrieving sandbox stacks
D0323 18:09:13.596241   35931 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0323 18:09:13.596400   35931 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0323 18:09:13.600687   35931 x:0] urpc: successfully marshalled 36 bytes.
D0323 18:09:14.427996   35931 x:0] urpc: unmarshal success.
I0323 18:09:14.433558   35931 x:0]      *** Stack dump ***
goroutine 691865 [running]:
gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x45c801, 0xc0002ee3c0, 0xc000d4f470, 0xc0009f6a80)
	pkg/log/log.go:259 +0xb6
gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x238ca78, 0x238ca78, 0xc0033ee0f0, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc0002ee3c0, 0xc000010ad8, 0x13, 0x10fed68, 0x4, 0xc000f7feb8, 0x3, 0x3, 0x4a864e, 0xfb4be0, ...)
	GOROOT/src/reflect/value.go:447 +0x649
reflect.Value.Call(0xc0002ee3c0, 0xc000010ad8, 0x13, 0xc000f7feb8, 0x3, 0x3, 0x0, 0x238ca78, 0x16)
	GOROOT/src/reflect/value.go:308 +0xc1
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc000253890, 0xc0033803f0, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x63f
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc000253890, 0xc0033803f0, 0xc000253890, 0xc0033803f0)
	pkg/urpc/urpc.go:420 +0x43
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc000253890, 0xc0033803f0)
	pkg/urpc/urpc.go:440 +0x77
created by gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:438 +0x6f

goroutine 1 [semacquire, 10 minutes]:
sync.runtime_Semacquire(0xc00012b1b4)
	GOROOT/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc00012b1b4)
	GOROOT/src/sync/waitgroup.go:130 +0xb2
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(...)
	pkg/sentry/kernel/kernel.go:809
gvisor.googlesource.com/gvisor/runsc/boot.(*Loader).WaitExit(0xc0002288c0, 0x0, 0x0)
	runsc/boot/loader.go:781 +0x74
gvisor.googlesource.com/gvisor/runsc/cmd.(*Boot).Execute(0xc000230120, 0x12861c0, 0xc0000d0008, 0xc000108c00, 0xc0001a10e0, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:236 +0x10f5
github.com/google/subcommands.(*Commander).Execute(0xc000126000, 0x12861c0, 0xc0000d0008, 0xc0001a10e0, 0x2, 0x2, 0x203000)
	external/com_github_google_subcommands/subcommands.go:141 +0x522
github.com/google/subcommands.Execute(...)
	external/com_github_google_subcommands/subcommands.go:371
main.main()
	runsc/main.go:229 +0x23da