WARNING: DATA RACE
Read at 0x00c00082a308 by goroutine 433:
  gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil.(*InodeSimpleAttributes).UnstableAttr()
      pkg/sentry/fs/fsutil/inode.go:114 +0x91
  gvisor.googlesource.com/gvisor/pkg/sentry/fs/tmpfs.(*Dir).UnstableAttr()
      pkg/sentry/fs/tmpfs/tmpfs.go:189 +0xc1
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Inode).UnstableAttr()
      pkg/sentry/fs/inode.go:247 +0x25f
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.ContextCanAccessFile()
      pkg/sentry/fs/context.go:36 +0x98
  gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil.InodeGenericChecker.Check()
      pkg/sentry/fs/fsutil/inode.go:446 +0x67
  gvisor.googlesource.com/gvisor/pkg/sentry/fs/tmpfs.(*Dir).Check()
      <autogenerated>:1 +0x7b
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Inode).check()
      pkg/sentry/fs/inode.go:300 +0xb5
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Inode).CheckPermission()
      pkg/sentry/fs/inode.go:293 +0xa1
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindLink()
      pkg/sentry/fs/mounts.go:398 +0x486
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindInode()
      pkg/sentry/fs/mounts.go:443 +0x93
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpOn()
      pkg/sentry/syscalls/linux/sys_file.go:97 +0x187
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Stat()
      pkg/sentry/syscalls/linux/sys_stat.go:37 +0x145
DIAGNOSIS:
I0123 20:10:08.409999   13387 x:0] ***************************
I0123 20:10:08.410138   13387 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/current/image -root /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-2]
I0123 20:10:08.410224   13387 x:0] Git Revision: 5f08f8fd8162fa2fc2ca7b862263081d8d07b206
I0123 20:10:08.410258   13387 x:0] PID: 13387
I0123 20:10:08.410290   13387 x:0] UID: 0, GID: 0
I0123 20:10:08.410312   13387 x:0] Configuration:
I0123 20:10:08.410330   13387 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0123 20:10:08.410388   13387 x:0] 		Platform: ptrace
I0123 20:10:08.410413   13387 x:0] 		FileAccess: exclusive, overlay: true
I0123 20:10:08.410440   13387 x:0] 		Network: host, logging: false
I0123 20:10:08.410473   13387 x:0] 		Strace: false, max size: 1024, syscalls: []
I0123 20:10:08.410501   13387 x:0] ***************************
D0123 20:10:08.410564   13387 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0123 20:10:08.414130   13387 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0123 20:10:08.414202   13387 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0123 20:10:08.414237   13387 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0123 20:10:08.414722   13387 x:0] urpc: successfully marshalled 120 bytes.
D0123 20:10:08.416846   13387 x:0] urpc: unmarshal success.
I0123 20:10:08.416999   13387 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 62390
I0123 20:10:08.417048   13387 x:0] Retrieving sandbox stacks
D0123 20:10:08.417064   13387 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0123 20:10:08.417114   13387 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0123 20:10:08.417407   13387 x:0] urpc: successfully marshalled 36 bytes.
D0123 20:10:08.584703   13387 x:0] urpc: unmarshal success.
I0123 20:10:08.584822   13387 x:0]      *** Stack dump ***
goroutine 852897 [running]:
gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x459e01, 0x28, 0x45d3f2, 0x4e466d)
	pkg/log/log.go:259 +0xd1
gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x22e11f8, 0x22e11f8, 0xc000128c70, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc000273a40, 0xc0002861f0, 0x13, 0x10d4583, 0x4, 0xc00137be68, 0x3, 0x3, 0x4f058e, 0xf902c0, ...)
	GOROOT/src/reflect/value.go:447 +0x635
reflect.Value.Call(0xc000273a40, 0xc0002861f0, 0x13, 0xc00137be68, 0x3, 0x3, 0x0, 0x22e11f8, 0x16)
	GOROOT/src/reflect/value.go:308 +0xc1
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc00026b2c0, 0xc000a5ea20, 0x0, 0x0)
	pkg/urpc/urpc.go:298 +0x613
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc00026b2c0, 0xc000a5ea20, 0xc00026b2c0, 0xc000a5ea20)
	pkg/urpc/urpc.go:393 +0x43
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc00026b2c0, 0xc000a5ea20)
	pkg/urpc/urpc.go:413 +0x77
created by gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:411 +0x6f

goroutine 1 [semacquire, 4 minutes]:
sync.runtime_Semacquire(0xc000148b74)
	GOROOT/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc000148b74)
	GOROOT/src/sync/waitgroup.go:130 +0xb5
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(0xc000260140)
	pkg/sentry/kernel/kernel.go:801 +0x57
gvisor.googlesource.com/gvisor/runsc/boot.(*Loader).WaitExit(0xc000260280, 0x0, 0x0)
	runsc/boot/loader.go:747 +0x50
gvisor.googlesource.com/gvisor/runsc/cmd.(*Boot).Execute(0xc00027a090, 0x12196c0, 0xc000132010, 0xc0002725a0, 0xc00029a160, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:236 +0x121d
github.com/google/subcommands.(*Commander).Execute(0xc000144000, 0x12196c0, 0xc000132010, 0xc00029a160, 0x2, 0x2, 0x1)
	external/com_github_google_subcommands/subcommands.go:141 +0x525
github.com/google/subcommands.Execute(0x12196c0, 0xc000132010, 0xc00029a160, 0x2, 0x2, 0xc00027e3a0)
	external/com_github_google_subcommands/subcommands.go:371 +0x81
main.main()
	runsc/main.go:221 +0x1ef8