panic: registering already registered file

goroutine 328701 gp=0xc001323a40 m=83 mp=0xc000fd4008 [running]:
panic({0x1c1a100?, 0x20f6fb0?})
	GOROOT/src/runtime/panic.go:811 +0x168 fp=0xc000a43220 sp=0xc000a43170 pc=0x47d728
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).Register(0xc00405ca10, {0x210f080, 0xc000217100})
	pkg/sentry/kernel/fasync/fasync.go:154 +0x20e fp=0xc000a432b8 sp=0xc000a43220 pc=0xffecae
gvisor.dev/gvisor/pkg/sentry/vfs.FileDescriptionDefaultImpl.RegisterFileAsyncHandler(...)
	pkg/sentry/vfs/file_description_impl_util.go:178
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).RegisterFileAsyncHandler(0xc000217100, 0xc000217100)
	<autogenerated>:1 +0x62 fp=0xc000a432f0 sp=0xc000a432b8 pc=0x1762442
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).SetStatusFlags(0xc000217100, {0x21225b0, 0xc0011ea008}, 0xc004331e00, 0xa002)
	pkg/sentry/vfs/file_description.go:291 +0x4d0 fp=0xc000a43548 sp=0xc000a432f0 pc=0xb04ff0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ioctl(0xc0011ea008, 0x10, {{0x5}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:251 +0xb85 fp=0xc000a436c8 sp=0xc000a43548 pc=0x11f2665
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0011ea008, 0x10, {{0x5}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x94c fp=0xc000a43960 sp=0xc000a436c8 pc=0xf82d6c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0011ea008, 0x10, {{0x5}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc000a43a08 sp=0xc000a43960 pc=0xf84b52
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0011ea008, 0x10, {{0x5}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000a43a78 sp=0xc000a43a08 pc=0xf84574
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0011ea008)
	pkg/sentry/kernel/task_syscall.go:258 +0x490 fp=0xc000a43b98 sp=0xc000a43a78 pc=0xf84130
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0011ea008?, 0xc0011ea008)
	pkg/sentry/kernel/task_run.go:269 +0x1ec9 fp=0xc000a43e70 sp=0xc000a43b98 pc=0xf70ac9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0011ea008, 0x8cd0)
	pkg/sentry/kernel/task_run.go:97 +0x4ca fp=0xc000a43fb0 sp=0xc000a43e70 pc=0xf6e24a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x45 fp=0xc000a43fe0 sp=0xc000a43fb0 pc=0xf80c25
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a43fe8 sp=0xc000a43fe0 pc=0x486aa1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 328670
	pkg/sentry/kernel/task_start.go:416 +0x15c