WARNING: DATA RACE
Read at 0x00c421a9087e by goroutine 431:
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Set).checkPerms()
      pkg/sentry/kernel/semaphore/semaphore.go:432 +0x49
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Registry).FindOrCreate()
      pkg/sentry/kernel/semaphore/semaphore.go:123 +0x455
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Semget()
      pkg/sentry/syscalls/linux/sys_sem.go:42 +0x113
  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:278 +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 +0x19c
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:217 +0x157c
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:95 +0x264

Previous write at 0x00c421a90878 by goroutine 415:
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Set).Change()
      pkg/sentry/kernel/semaphore/semaphore.go:261 +0x120
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.ipcSet()
      pkg/sentry/syscalls/linux/sys_sem.go:145 +0x18d
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Semctl()
      pkg/sentry/syscalls/linux/sys_sem.go:115 +0x2ab
  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:278 +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 +0x19c
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:217 +0x157c
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:95 +0x264