WARNING: DATA RACE
Read at 0x00c000d73a68 by goroutine 525:
  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
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:165 +0x17a
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:283 +0xb4
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:244 +0x10c
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:219 +0x1e3
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:215 +0x15a9
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:91 +0x24b

Previous write at 0x00c000d73a68 by goroutine 448:
  gvisor.googlesource.com/gvisor/pkg/sentry/fs/ramfs.(*dirFileOperations).Readdir()
      pkg/sentry/fs/ramfs/dir.go:419 +0x1fb
  gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).Readdir()
      pkg/sentry/fs/file.go:226 +0x129
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.getdents()
      pkg/sentry/syscalls/linux/sys_getdents.go:82 +0x25b
  gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Getdents64()
      pkg/sentry/syscalls/linux/sys_getdents.go:59 +0x148
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:165 +0x17a
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:283 +0xb4
  gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:244 +0x10c
DIAGNOSIS:
I0125 11:53:40.788048   15872 x:0] ***************************
I0125 11:53:40.788227   15872 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]
I0125 11:53:40.788322   15872 x:0] Git Revision: cc995207531965b70bc1b812a70b91f242a92086
I0125 11:53:40.788348   15872 x:0] PID: 15872
I0125 11:53:40.788381   15872 x:0] UID: 0, GID: 0
I0125 11:53:40.788417   15872 x:0] Configuration:
I0125 11:53:40.788437   15872 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0125 11:53:40.788460   15872 x:0] 		Platform: ptrace
I0125 11:53:40.788489   15872 x:0] 		FileAccess: exclusive, overlay: true
I0125 11:53:40.788556   15872 x:0] 		Network: host, logging: false
I0125 11:53:40.788596   15872 x:0] 		Strace: false, max size: 1024, syscalls: []
I0125 11:53:40.788628   15872 x:0] ***************************
D0125 11:53:40.788724   15872 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0125 11:53:40.793108   15872 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0125 11:53:40.793194   15872 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0125 11:53:40.793249   15872 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0125 11:53:40.793729   15872 x:0] urpc: successfully marshalled 120 bytes.
D0125 11:53:40.794872   15872 x:0] urpc: unmarshal success.
I0125 11:53:40.795024   15872 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 43696
I0125 11:53:40.795081   15872 x:0] Retrieving sandbox stacks
D0125 11:53:40.795098   15872 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0125 11:53:40.795140   15872 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0125 11:53:40.795455   15872 x:0] urpc: successfully marshalled 36 bytes.
D0125 11:53:41.011284   15872 x:0] urpc: unmarshal success.
I0125 11:53:41.011429   15872 x:0]      *** Stack dump ***
goroutine 1757357 [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, 0xc00062e090, 0x0, 0x0)
	runsc/boot/debug.go:26 +0x38
reflect.Value.call(0xc000340060, 0xc000136250, 0x13, 0x10d4223, 0x4, 0xc000713e68, 0x3, 0x3, 0x4f058e, 0xf8ffe0, ...)
	GOROOT/src/reflect/value.go:447 +0x635
reflect.Value.Call(0xc000340060, 0xc000136250, 0x13, 0xc000713e68, 0x3, 0x3, 0x0, 0x22e11f8, 0x16)
	GOROOT/src/reflect/value.go:308 +0xc1
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc000298a50, 0xc00136f710, 0x0, 0x0)
	pkg/urpc/urpc.go:298 +0x613
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc000298a50, 0xc00136f710, 0xc000298a50, 0xc00136f710)
	pkg/urpc/urpc.go:393 +0x43
gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc000298a50, 0xc00136f710)
	pkg/urpc/urpc.go:413 +0x77
created by gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:411 +0x6f