WARNING: DATA RACE
Write at 0x00c00031c260 by goroutine 765:
  gvisor.dev/gvisor/pkg/sentry/fs/fsutil.(*InodeSimpleAttributes).SetPermissions()
      pkg/sentry/fs/attr.go:266 +0x74
  gvisor.dev/gvisor/pkg/sentry/fs/tty.(*masterInodeOperations).SetPermissions()
      <autogenerated>:1 +0x90
  gvisor.dev/gvisor/pkg/sentry/fs.(*Inode).SetPermissions()
      pkg/sentry/fs/inode.go:334 +0x15f
DIAGNOSIS:
I1219 20:02:07.573090   28926 x:0] ***************************
I1219 20:02:07.573239   28926 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-2]
I1219 20:02:07.573564   28926 x:0] Version release-20191213.0-32-g57ce26c0b465
I1219 20:02:07.573614   28926 x:0] PID: 28926
I1219 20:02:07.573661   28926 x:0] UID: 0, GID: 0
I1219 20:02:07.575812   28926 x:0] Configuration:
I1219 20:02:07.575872   28926 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root
I1219 20:02:07.575898   28926 x:0] 		Platform: ptrace
I1219 20:02:07.575937   28926 x:0] 		FileAccess: exclusive, overlay: true
I1219 20:02:07.576006   28926 x:0] 		Network: host, logging: false
I1219 20:02:07.576038   28926 x:0] 		Strace: false, max size: 1024, syscalls: []
I1219 20:02:07.576123   28926 x:0] ***************************
W1219 20:02:07.576155   28926 x:0] Block the TERM signal. This is only safe in tests!
D1219 20:02:07.577128   28926 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-race-2"
D1219 20:02:07.609089   28926 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-race-2": signal 0
D1219 20:02:07.609370   28926 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-race-2"
D1219 20:02:07.613254   28926 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-2"
D1219 20:02:07.628198   28926 x:0] urpc: successfully marshalled 123 bytes.
D1219 20:02:07.635915   28926 x:0] urpc: unmarshal success.
I1219 20:02:07.636024   28926 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-race-2", PID: 53364
I1219 20:02:07.636114   28926 x:0] Retrieving sandbox stacks
D1219 20:02:07.636150   28926 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-race-2"
D1219 20:02:07.637205   28926 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-2"
D1219 20:02:07.638170   28926 x:0] urpc: successfully marshalled 36 bytes.
D1219 20:02:08.724193   28926 x:0] urpc: unmarshal success.
I1219 20:02:08.726803   28926 x:0]      *** Stack dump ***
goroutine 1672462 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x461301, 0xc0002ec780, 0xc002e6e510, 0xc001f44000)
	pkg/log/log.go:272 +0xb6
gvisor.dev/gvisor/runsc/boot.(*debug).Stacks(0x2468668, 0x2468668, 0xc00304c490, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc0002ec780, 0xc0003221c0, 0x13, 0x12673d7, 0x4, 0xc00120de78, 0x3, 0x3, 0x10cdb01, 0xc00304c490, ...)
	GOROOT/src/reflect/value.go:460 +0x62b
reflect.Value.Call(0xc0002ec780, 0xc0003221c0, 0x13, 0xc00120de78, 0x3, 0x3, 0x0, 0x2468668, 0x16)
	GOROOT/src/reflect/value.go:321 +0xd4
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc00030c6c0, 0xc0030b1500, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x688
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc00030c6c0, 0xc0030b1500, 0xc0038565f0, 0xc0039b4540)
	pkg/urpc/urpc.go:420 +0x43
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc00030c6c0, 0xc0030b1500)
	pkg/urpc/urpc.go:440 +0x81
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:438 +0x6f

goroutine 1 [semacquire, 42 minutes]:
sync.runtime_Semacquire(0xc00033c124)
	GOROOT/src/runtime/sema.go:56 +0x42
sync.(*WaitGroup).Wait(0xc00033c124)
	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(0xc000384000, 0x0, 0x0)
	runsc/boot/loader.go:894 +0x73
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc0001b8360, 0x13df300, 0xc000132000, 0xc00028e600, 0xc00023eda0, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:254 +0x149e
github.com/google/subcommands.(*Commander).Execute(0xc000148000, 0x13df300, 0xc000132000, 0xc00023eda0, 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