syzbot

WARNING: DATA RACE
Read at 0x00c0029f27f8 by goroutine 324:
  gvisor.dev/gvisor/pkg/sentry/fs.(*Dirent).IsRoot()
      pkg/sentry/fs/dirent.go:244 +0x146
  gvisor.dev/gvisor/pkg/sentry/fs.(*Dirent).GetDotAttrs()
      pkg/sentry/fs/dirent.go:796 +0x154
  gvisor.dev/gvisor/pkg/sentry/fs.direntReaddir()
      pkg/sentry/fs/dirent.go:870 +0x132
  gvisor.dev/gvisor/pkg/sentry/fs.DirentReaddir()
      pkg/sentry/fs/dirent.go:840 +0x97
  gvisor.dev/gvisor/pkg/sentry/fs/ramfs.(*dirFileOperations).Readdir()
      pkg/sentry/fs/ramfs/dir.go:466 +0x282
  gvisor.dev/gvisor/pkg/sentry/fs.(*File).Readdir()
      pkg/sentry/fs/file.go:250 +0x168
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.getdents()
      pkg/sentry/syscalls/linux/sys_getdents.go:83 +0x34f
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Getdents64()
      pkg/sentry/syscalls/linux/sys_getdents.go:60 +0x13f
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:170 +0x44d
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:305 +0xb4
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:265 +0x109
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:240 +0x1e7
  gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:259 +0x1697
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:92 +0x31c

Previous write at 0x00c0029f27f8 by goroutine 323:
  gvisor.dev/gvisor/pkg/sentry/fs.Rename()
      pkg/sentry/fs/dirent.go:1510 +0x64b
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.renameAt.func1.1()
      pkg/sentry/syscalls/linux/sys_file.go:2057 +0x1da
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.fileOpAt()
      pkg/sentry/syscalls/linux/sys_file.go:50 +0x218
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.renameAt.func1()
      pkg/sentry/syscalls/linux/sys_file.go:2045 +0x1fa
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.fileOpAt()
      pkg/sentry/syscalls/linux/sys_file.go:50 +0x218
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.renameAt()
      pkg/sentry/syscalls/linux/sys_file.go:2033 +0x180
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Rename()
      pkg/sentry/syscalls/linux/sys_file.go:2066 +0x60
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:170 +0x44d
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:305 +0xb4
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:265 +0x109
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:240 +0x1e7
  gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:259 +0x1697
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:92 +0x31c