panic: registering already registered file

goroutine 44395 gp=0xc001a4fa40 m=64 mp=0xc001a7b008 [running]:
panic({0x11c3060?, 0x16587c0?})
	GOROOT/src/runtime/panic.go:811 +0x168 fp=0xc001dc16e0 sp=0xc001dc1630 pc=0x4788c8
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).Register(0xc001ff9810, {0x1670910, 0xc002ba5180})
	pkg/sentry/kernel/fasync/fasync.go:154 +0x125 fp=0xc001dc1738 sp=0xc001dc16e0 pc=0xae7385
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(0x1000000007ff?, 0x0?)
	<autogenerated>:1 +0x31 fp=0xc001dc1760 sp=0xc001dc1738 pc=0xf6c2b1
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).SetStatusFlags(0xc002ba5180, {0x16837b0?, 0xc000d1b208?}, 0xc00072f0e0, 0x42c00)
	pkg/sentry/vfs/file_description.go:291 +0x38c fp=0xc001dc1970 sp=0xc001dc1760 pc=0x80656c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Fcntl(0xc000d1b208, 0x49f2f9?, {{0x49}, {0x4}, {0x42c00}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:629 +0x254 fp=0xc001dc1a78 sp=0xc001dc1970 pc=0xc241f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000d1b208, 0x48, {{0x49}, {0x4}, {0x42c00}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x655 fp=0xc001dc1ca8 sp=0xc001dc1a78 pc=0xaa20f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000d1b208, 0x48, {{0x49}, {0x4}, {0x42c00}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc001dc1d00 sp=0xc001dc1ca8 pc=0xaa3245
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000d1b208, 0x48, {{0x49}, {0x4}, {0x42c00}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc001dc1d50 sp=0xc001dc1d00 pc=0xaa2f65
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001d20820?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc001dc1e28 sp=0xc001dc1d50 pc=0xaa2ce5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000212630?, 0xc000d1b208)
	pkg/sentry/kernel/task_run.go:269 +0xebc fp=0xc001dc1f30 sp=0xc001dc1e28 pc=0xa98abc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000d1b208, 0x316d)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc001dc1fc0 sp=0xc001dc1f30 pc=0xa97594
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc001dc1fe0 sp=0xc001dc1fc0 pc=0xaa0b45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc001dc1fe8 sp=0xc001dc1fe0 pc=0x4816e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 44450
	pkg/sentry/kernel/task_start.go:416 +0xc5