WARNING: DATA RACE
Write at 0x00c002a46e3c by goroutine 461:
  gvisor.dev/gvisor/pkg/sentry/fs.(*UnstableAttr).SetOwner()
      pkg/sentry/fs/attr.go:254 +0xc9
DIAGNOSIS:
I0125 10:41:31.367131   23103 x:0] ***************************
I0125 10:41:31.367355   23103 x:0] Args: [/syzkaller/managers/ptrace-direct-overlay-host-race/current/image -root /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=exclusive -overlay -network=host -TESTONLY-unsafe-nonroot debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-race-1]
I0125 10:41:31.367627   23103 x:0] Version release-20200115.0-70-gcb3906ae0057
I0125 10:41:31.367663   23103 x:0] PID: 23103
I0125 10:41:31.367778   23103 x:0] UID: 0, GID: 0
I0125 10:41:31.367834   23103 x:0] Configuration:
I0125 10:41:31.367940   23103 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root
I0125 10:41:31.368017   23103 x:0] 		Platform: ptrace
I0125 10:41:31.368070   23103 x:0] 		FileAccess: exclusive, overlay: true
I0125 10:41:31.368120   23103 x:0] 		Network: host, logging: false
I0125 10:41:31.368167   23103 x:0] 		Strace: false, max size: 1024, syscalls: []
I0125 10:41:31.368225   23103 x:0] ***************************
W0125 10:41:31.368253   23103 x:0] Block the TERM signal. This is only safe in tests!
D0125 10:41:31.371139   23103 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0125 10:41:31.386582   23103 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-race-1": signal 0
D0125 10:41:31.386775   23103 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0125 10:41:31.388050   23103 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0125 10:41:31.390488   23103 x:0] urpc: successfully marshalled 123 bytes.
D0125 10:41:31.392001   23103 x:0] urpc: unmarshal success.
I0125 10:41:31.392085   23103 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1", PID: 57747
I0125 10:41:31.392176   23103 x:0] Retrieving sandbox stacks
D0125 10:41:31.393372   23103 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0125 10:41:31.393437   23103 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0125 10:41:31.394615   23103 x:0] urpc: successfully marshalled 36 bytes.
D0125 10:41:31.643810   23103 x:0] urpc: unmarshal success.
I0125 10:41:31.647765   23103 x:0]      *** Stack dump ***
goroutine 582018 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x461301, 0xc0002972c0, 0xc002e527b0, 0x1a6e4e0)
	pkg/log/log.go:272 +0xb6
gvisor.dev/gvisor/runsc/boot.(*debug).Stacks(0x24167a8, 0x24167a8, 0xc000480d10, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc0002972c0, 0xc00014caa0, 0x13, 0x123c2ca, 0x4, 0xc0018ffe78, 0x3, 0x3, 0x10adf01, 0xc000480d10, ...)
	GOROOT/src/reflect/value.go:460 +0x62b
reflect.Value.Call(0xc0002972c0, 0xc00014caa0, 0x13, 0xc0018ffe78, 0x3, 0x3, 0x0, 0x24167a8, 0x16)
	GOROOT/src/reflect/value.go:321 +0xd4
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc0002dd020, 0xc002b79320, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x688
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc0002dd020, 0xc002b79320, 0xc00196d310, 0xc000df19e0)
	pkg/urpc/urpc.go:420 +0x43
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc0002dd020, 0xc002b79320)
	pkg/urpc/urpc.go:440 +0x81
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:438 +0x6f

goroutine 1 [semacquire, 14 minutes]:
sync.runtime_Semacquire(0xc000268494)
	GOROOT/src/runtime/sema.go:56 +0x42
sync.(*WaitGroup).Wait(0xc000268494)
	GOROOT/src/sync/waitgroup.go:130 +0xb1
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(...)
	pkg/sentry/kernel/kernel.go:1061
gvisor.dev/gvisor/runsc/boot.(*Loader).WaitExit(0xc00015e2c0, 0x0, 0x0)
	runsc/boot/loader.go:894 +0x73
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc0001c62d0, 0x13b2060, 0xc00013a000, 0xc000296720, 0xc000248d40, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:254 +0x149e
github.com/google/subcommands.(*Commander).Execute(0xc000152000, 0x13b2060, 0xc00013a000, 0xc000248d40, 0x2, 0x2, 0x0)
	external/com_github_google_subcommands/subcommands.go:200 +0x51d
github.com/google/subcommands.Execute(...)
	external/com_github_google_subcommands/subcommands.go:481
main.main()
	runsc/main.go:318 +0x2ce3