WARNING: DATA RACE
DIAGNOSIS:
I0309 18:14:49.708621   48094 x:0] ***************************
I0309 18:14:49.708809   48094 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]
I0309 18:14:49.708951   48094 x:0] Git Revision: 281092e842445cfb9ff474aae81c169954b469cb
I0309 18:14:49.708979   48094 x:0] PID: 48094
I0309 18:14:49.709028   48094 x:0] UID: 0, GID: 0
I0309 18:14:49.709048   48094 x:0] Configuration:
I0309 18:14:49.709062   48094 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0309 18:14:49.709082   48094 x:0] 		Platform: ptrace
I0309 18:14:49.709142   48094 x:0] 		FileAccess: exclusive, overlay: true
I0309 18:14:49.709169   48094 x:0] 		Network: host, logging: false
I0309 18:14:49.709189   48094 x:0] 		Strace: false, max size: 1024, syscalls: []
I0309 18:14:49.709219   48094 x:0] ***************************
D0309 18:14:49.709499   48094 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0309 18:14:49.718818   48094 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0309 18:14:49.718901   48094 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0309 18:14:49.718937   48094 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0309 18:14:49.719781   48094 x:0] urpc: successfully marshalled 120 bytes.
D0309 18:14:49.721578   48094 x:0] urpc: unmarshal success.
I0309 18:14:49.721893   48094 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 20676
I0309 18:14:49.721983   48094 x:0] Retrieving sandbox stacks
D0309 18:14:49.722238   48094 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0309 18:14:49.722297   48094 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0309 18:14:49.722552   48094 x:0] urpc: successfully marshalled 36 bytes.
D0309 18:14:50.026056   48094 x:0] urpc: unmarshal success.
I0309 18:14:50.026451   48094 x:0]      *** Stack dump ***
goroutine 2938204 [running]:
gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x459c01, 0xc0002a0900, 0xc002006420, 0xc000177880)
	pkg/log/log.go:259 +0xb6
gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x2379828, 0x2379828, 0xc000dee390, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc0002a0900, 0xc00030a198, 0x13, 0x10ed320, 0x4, 0xc0007c3eb8, 0x3, 0x3, 0x4a4dee, 0xfa4340, ...)
	GOROOT/src/reflect/value.go:447 +0x63f
reflect.Value.Call(0xc0002a0900, 0xc00030a198, 0x13, 0xc0007c3eb8, 0x3, 0x3, 0x0, 0x2379828, 0x16)
	GOROOT/src/reflect/value.go:308 +0xc1
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc0002fe090, 0xc015e820c0, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x63f
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc0002fe090, 0xc015e820c0, 0xc0002fe090, 0xc015e820c0)
	pkg/urpc/urpc.go:420 +0x43
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc0002fe090, 0xc015e820c0)
	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, 24 minutes]:
sync.runtime_Semacquire(0xc000298264)
	GOROOT/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc000298264)
	GOROOT/src/sync/waitgroup.go:130 +0xb2
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(...)
	pkg/sentry/kernel/kernel.go:813
gvisor.googlesource.com/gvisor/runsc/boot.(*Loader).WaitExit(0xc0002a2140, 0x0, 0x0)
	runsc/boot/loader.go:756 +0x74
gvisor.googlesource.com/gvisor/runsc/cmd.(*Boot).Execute(0xc0001a61b0, 0x1272ce0, 0xc0000d0008, 0xc000134a80, 0xc0001b30a0, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:236 +0x1191
github.com/google/subcommands.(*Commander).Execute(0xc000136000, 0x1272ce0, 0xc0000d0008, 0xc0001b30a0, 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:227 +0x240b