WARNING: DATA RACE
Read at 0x00c00bd42510 by goroutine 479:
  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
  gvisor.dev/gvisor/pkg/sentry/fs.(*Inode).GetXattr()
      pkg/sentry/fs/inode.go:269 +0x1b9
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.getXattr()
      pkg/sentry/syscalls/linux/sys_xattr.go:113 +0x17b
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.getXattrFromPath.func1()
      pkg/sentry/syscalls/linux/sys_xattr.go:79 +0xb0
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.fileOpOn()
      pkg/sentry/syscalls/linux/sys_file.go:111 +0x23f
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.getXattrFromPath()
      pkg/sentry/syscalls/linux/sys_xattr.go:74 +0x17c
DIAGNOSIS:
I0301 00:11:26.506181   28439 main.go:305] ***************************
I0301 00:11:26.506349   28439 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 00:11:26.506583   28439 main.go:307] Version release-20200219.0-72-gce4d1e45bb88
I0301 00:11:26.506719   28439 main.go:308] PID: 28439
I0301 00:11:26.506874   28439 main.go:309] UID: 0, GID: 0
I0301 00:11:26.506993   28439 main.go:310] Configuration:
I0301 00:11:26.507120   28439 main.go:311] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root
I0301 00:11:26.507263   28439 main.go:312] 		Platform: ptrace
I0301 00:11:26.507430   28439 main.go:313] 		FileAccess: exclusive, overlay: true
I0301 00:11:26.507613   28439 main.go:314] 		Network: host, logging: false
I0301 00:11:26.507749   28439 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0301 00:11:26.508129   28439 main.go:316] ***************************
W0301 00:11:26.508236   28439 main.go:321] Block the TERM signal. This is only safe in tests!
D0301 00:11:26.508640   28439 container.go:159] Load container "/syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:11:26.519870   28439 container.go:592] Signal container "ci-gvisor-ptrace-direct-overlay-host-race-1": signal 0
D0301 00:11:26.520060   28439 sandbox.go:806] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:11:26.520178   28439 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:11:26.520669   28439 urpc.go:534] urpc: successfully marshalled 123 bytes.
D0301 00:11:26.522988   28439 urpc.go:577] urpc: unmarshal success.
I0301 00:11:26.523188   28439 debug.go:122] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1", PID: 17867
I0301 00:11:26.524573   28439 debug.go:131] Retrieving sandbox stacks
D0301 00:11:26.524989   28439 sandbox.go:924] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:11:26.525166   28439 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-1"
D0301 00:11:26.525924   28439 urpc.go:534] urpc: successfully marshalled 36 bytes.
D0301 00:11:26.728076   28439 urpc.go:577] urpc: unmarshal success.
I0301 00:11:26.729253   28439 debug.go:136]      *** Stack dump ***
goroutine 600139 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x469801, 0x4e7d1a, 0xc00012a7c8, 0x12b7080)
	pkg/log/log.go:314 +0xb6
gvisor.dev/gvisor/runsc/boot.(*debug).Stacks(0x25433b8, 0x25433b8, 0xc0116807d0, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc00012a780, 0xc0001381c0, 0x13, 0x12d9570, 0x4, 0xc00a1c7e60, 0x3, 0x3, 0x1480001, 0xc0116807d0, ...)
	GOROOT/src/reflect/value.go:460 +0x967
reflect.Value.Call(0xc00012a780, 0xc0001381c0, 0x13, 0xc00a1c7e60, 0x3, 0x3, 0x0, 0x25433b8, 0x16)
	GOROOT/src/reflect/value.go:321 +0xd4
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc00012c6f0, 0xc00bd86cc0, 0x0, 0x0)
	pkg/urpc/urpc.go:325 +0x688
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc00012c6f0, 0xc00bd86cc0, 0x100000001, 0xc00a6d6540)
	pkg/urpc/urpc.go:420 +0x43
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc00012c6f0, 0xc00bd86cc0)
	pkg/urpc/urpc.go:440 +0x90
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:438 +0x6f

goroutine 1 [semacquire, 7 minutes]:
sync.runtime_Semacquire(0xc000148124)
	GOROOT/src/runtime/sema.go:56 +0x42
sync.(*WaitGroup).Wait(0xc000148124)
	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(0xc00017e000, 0x0, 0x0)
	runsc/boot/loader.go:905 +0x73
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc0002243f0, 0x14676a0, 0xc00019a000, 0xc00023e2a0, 0xc00025ed60, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:254 +0x14b3
github.com/google/subcommands.(*Commander).Execute(0xc0001b2000, 0x14676a0, 0xc00019a000, 0xc00025ed60, 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