WARNING: DATA RACE
DIAGNOSIS:
I0315 04:31:23.587872   36455 x:0] ***************************
I0315 04:31:23.588104   36455 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=sandbox debug -stacks ci-gvisor-ptrace-proxy-sandbox-race-0]
I0315 04:31:23.588198   36455 x:0] Git Revision: 5496be7c5ddedd6ec03004143501acb225eda357
I0315 04:31:23.588325   36455 x:0] PID: 36455
I0315 04:31:23.588505   36455 x:0] UID: 0, GID: 0
I0315 04:31:23.588548   36455 x:0] Configuration:
I0315 04:31:23.588611   36455 x:0] 		RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root
I0315 04:31:23.588669   36455 x:0] 		Platform: ptrace
I0315 04:31:23.588712   36455 x:0] 		FileAccess: shared, overlay: false
I0315 04:31:23.588824   36455 x:0] 		Network: sandbox, logging: false
I0315 04:31:23.588932   36455 x:0] 		Strace: false, max size: 1024, syscalls: []
I0315 04:31:23.588976   36455 x:0] ***************************
D0315 04:31:23.589066   36455 x:0] Load container "/syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root" "ci-gvisor-ptrace-proxy-sandbox-race-0"
D0315 04:31:23.600016   36455 x:0] Signal container "ci-gvisor-ptrace-proxy-sandbox-race-0": signal 0
D0315 04:31:23.600222   36455 x:0] Signal sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0"
D0315 04:31:23.600372   36455 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0"
D0315 04:31:23.601025   36455 x:0] urpc: successfully marshalled 117 bytes.
D0315 04:31:23.606922   36455 x:0] urpc: unmarshal success.
I0315 04:31:23.607482   36455 x:0] Found sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0", PID: 62903
I0315 04:31:23.607798   36455 x:0] Retrieving sandbox stacks
D0315 04:31:23.608084   36455 x:0] Stacks sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0"
D0315 04:31:23.608190   36455 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-0"
D0315 04:31:23.608346   36455 x:0] urpc: successfully marshalled 36 bytes.
D0315 04:31:24.127014   36455 x:0] urpc: unmarshal success.
I0315 04:31:24.127180   36455 x:0]      *** Stack dump ***
goroutine 3182601 [running]:
gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x45c001, 0xc0003660c0, 0xc0073f6000, 0xc000dbc000)
	pkg/log/log.go:259 +0xb6
gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x2381a78, 0x2381a78, 0xc0007522a0, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc0003660c0, 0xc000146ac8, 0x13, 0x10f5ac8, 0x4, 0xc0010afeb8, 0x3, 0x3, 0x4a765e, 0xfab940, ...)
	GOROOT/src/reflect/value.go:447 +0x63f
reflect.Value.Call(0xc0003660c0, 0xc000146ac8, 0x13, 0xc0010afeb8, 0x3, 0x3, 0x0, 0x2381a78, 0x16)
	GOROOT/src/reflect/value.go:308 +0xc1
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc000299380, 0xc008463200, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x63f
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc000299380, 0xc008463200, 0xc000299380, 0xc008463200)
	pkg/urpc/urpc.go:420 +0x43
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc000299380, 0xc008463200)
	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, 47 minutes]:
sync.runtime_Semacquire(0xc0002e0214)
	GOROOT/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc0002e0214)
	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(0xc0002d8140, 0x0, 0x0)
	runsc/boot/loader.go:781 +0x74
gvisor.googlesource.com/gvisor/runsc/cmd.(*Boot).Execute(0xc000278120, 0x127d460, 0xc000142010, 0xc000148ba0, 0xc0001c90e0, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:236 +0x1191
github.com/google/subcommands.(*Commander).Execute(0xc00014e000, 0x127d460, 0xc000142010, 0xc0001c90e0, 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 +0x246f