WARNING: DATA RACE
Read at 0x00c000716780 by goroutine 112:
  runtime.mapaccess2_faststr()
      GOROOT/src/runtime/map_faststr.go:107 +0x0
  gvisor.dev/gvisor/pkg/sentry/fs/fsutil.(*InodeSimpleExtendedAttributes).GetXattr()
      pkg/sentry/fs/fsutil/inode.go:218 +0x88
  gvisor.dev/gvisor/pkg/sentry/fs/tmpfs.(*fileInodeOperations).GetXattr()
      <autogenerated>:1 +0x9f
DIAGNOSIS:
I0301 00:29:03.687664   29205 main.go:305] ***************************
I0301 00:29:03.687783   29205 main.go:306] 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]
I0301 00:29:03.688033   29205 main.go:307] Version release-20200219.0-72-gce4d1e45bb88
I0301 00:29:03.688127   29205 main.go:308] PID: 29205
I0301 00:29:03.688218   29205 main.go:309] UID: 0, GID: 0
I0301 00:29:03.688298   29205 main.go:310] Configuration:
I0301 00:29:03.688374   29205 main.go:311] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root
I0301 00:29:03.688432   29205 main.go:312] 		Platform: ptrace
I0301 00:29:03.688491   29205 main.go:313] 		FileAccess: exclusive, overlay: true
I0301 00:29:03.688577   29205 main.go:314] 		Network: host, logging: false
I0301 00:29:03.688662   29205 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0301 00:29:03.688720   29205 main.go:316] ***************************
W0301 00:29:03.688799   29205 main.go:321] Block the TERM signal. This is only safe in tests!
D0301 00:29:03.688953   29205 container.go:159] Load container "/syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:29:03.694512   29205 container.go:592] Signal container "ci-gvisor-ptrace-direct-overlay-host-race-1": signal 0
D0301 00:29:03.694679   29205 sandbox.go:806] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:29:03.694772   29205 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:29:03.695148   29205 urpc.go:534] urpc: successfully marshalled 123 bytes.
D0301 00:29:03.696065   29205 urpc.go:577] urpc: unmarshal success.
I0301 00:29:03.696218   29205 debug.go:122] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1", PID: 25983
I0301 00:29:03.696357   29205 debug.go:131] Retrieving sandbox stacks
D0301 00:29:03.696439   29205 sandbox.go:924] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:29:03.696551   29205 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:29:03.696855   29205 urpc.go:534] urpc: successfully marshalled 36 bytes.
D0301 00:29:03.739660   29205 urpc.go:577] urpc: unmarshal success.
I0301 00:29:03.739873   29205 debug.go:136]      *** Stack dump ***
goroutine 377 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x469801, 0x4e7d1a, 0xc0002c6ee8, 0x12b7080)
	pkg/log/log.go:314 +0xb6
gvisor.dev/gvisor/runsc/boot.(*debug).Stacks(0x25433b8, 0x25433b8, 0xc00054e920, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc0002c6ea0, 0xc0001b2ac8, 0x13, 0x12d9570, 0x4, 0xc0004e5e60, 0x3, 0x3, 0x1480001, 0xc00054e920, ...)
	GOROOT/src/reflect/value.go:460 +0x967
reflect.Value.Call(0xc0002c6ea0, 0xc0001b2ac8, 0x13, 0xc0004e5e60, 0x3, 0x3, 0x0, 0x25433b8, 0x16)
	GOROOT/src/reflect/value.go:321 +0xd4
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc0003cb9e0, 0xc0008311d0, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x688
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc0003cb9e0, 0xc0008311d0, 0x0, 0xc00042c510)
	pkg/urpc/urpc.go:420 +0x43
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc0003cb9e0, 0xc0008311d0)
	pkg/urpc/urpc.go:440 +0x90
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:438 +0x6f

goroutine 1 [semacquire, 1 minutes]:
sync.runtime_Semacquire(0xc00035e494)
	GOROOT/src/runtime/sema.go:56 +0x42
sync.(*WaitGroup).Wait(0xc00035e494)
	GOROOT/src/sync/waitgroup.go:130 +0xd4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(...)
	pkg/sentry/kernel/kernel.go:1145
gvisor.dev/gvisor/runsc/boot.(*Loader).WaitExit(0xc0001c4840, 0x0, 0x0)
	runsc/boot/loader.go:905 +0x73
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc0002ae2d0, 0x14676a0, 0xc0001a0000, 0xc0002c62a0, 0xc0002e6d60, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:254 +0x14b3
github.com/google/subcommands.(*Commander).Execute(0xc0001b8000, 0x14676a0, 0xc0001a0000, 0xc0002e6d60, 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:327 +0x2c21