WARNING: DATA RACE
Write at 0x00c4209dfa28 by goroutine 281:
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).setKUIDsUncheckedLocked()
      pkg/sentry/kernel/task_identity.go:167 +0x1d0
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).SetUID()
      pkg/sentry/kernel/task_identity.go:70 +0x292
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Setuid()
      pkg/sentry/syscalls/linux/sys_identity.go:102 +0x45
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:162 +0x14e
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:280 +0x7d
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:241 +0xc3
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:216 +0x19e
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:219 +0x1501
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:95 +0x264

Previous read at 0x00c4209dfa28 by goroutine 267:
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Value()
      pkg/sentry/kernel/task.go:577 +0x71b
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel/auth.CredentialsFromContext()
      pkg/sentry/kernel/auth/context.go:32 +0x5a
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.FileOwnerFromContext()
      pkg/sentry/fs/context.go:85 +0x46
  gvisor.googlesource.com/gvisor/pkg/sentry/fs/proc.(*file).UnstableAttr()
      pkg/sentry/fs/proc/file.go:54 +0x1e5
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Inode).UnstableAttr()
      pkg/sentry/fs/inode.go:254 +0x217
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.stat()
      pkg/sentry/syscalls/linux/sys_stat.go:106 +0x9d
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Fstat()
      pkg/sentry/syscalls/linux/sys_stat.go:98 +0x108
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:162 +0x14e
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:280 +0x7d
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:241 +0xc3
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:216 +0x19e
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:219 +0x1501
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:95 +0x264