panic: registering already registered file

goroutine 571175 gp=0xc0012c0a80 m=16 mp=0xc000a00008 [running]:
panic({0x11c3060?, 0x16587c0?})
	GOROOT/src/runtime/panic.go:811 +0x168 fp=0xc001755710 sp=0xc001755660 pc=0x4788c8
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).Register(0xc001bef340, {0x1670910, 0xc000230480})
	pkg/sentry/kernel/fasync/fasync.go:154 +0x125 fp=0xc001755768 sp=0xc001755710 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(0x20?, 0x1?)
	<autogenerated>:1 +0x31 fp=0xc001755790 sp=0xc001755768 pc=0xf6c2b1
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).SetStatusFlags(0xc000230480, {0x16837b0?, 0xc003187908?}, 0xc0004e2f00, 0xa002)
	pkg/sentry/vfs/file_description.go:291 +0x38c fp=0xc0017559a0 sp=0xc001755790 pc=0x80656c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ioctl(0xc003187908, 0x10, {{0x66}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:251 +0x6ea fp=0xc001755a78 sp=0xc0017559a0 pc=0xc2022a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003187908, 0x10, {{0x66}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x655 fp=0xc001755ca8 sp=0xc001755a78 pc=0xaa20f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003187908, 0x10, {{0x66}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc001755d00 sp=0xc001755ca8 pc=0xaa3245
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003187908, 0x10, {{0x66}, {0x5452}, {0x200000000080}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc001755d50 sp=0xc001755d00 pc=0xaa2f65
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006d4f20?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc001755e28 sp=0xc001755d50 pc=0xaa2ce5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0046045a0?, 0xc003187908)
	pkg/sentry/kernel/task_run.go:269 +0xebc fp=0xc001755f30 sp=0xc001755e28 pc=0xa98abc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003187908, 0xa7f5)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc001755fc0 sp=0xc001755f30 pc=0xa97594
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc001755fe0 sp=0xc001755fc0 pc=0xaa0b45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc001755fe8 sp=0xc001755fe0 pc=0x4816e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 571261
	pkg/sentry/kernel/task_start.go:416 +0xc5