panic: registering already registered file

goroutine 204928 gp=0xc000b7ea80 m=97 mp=0xc001090008 [running]:
panic({0x1c15180?, 0x20f0a60?})
	GOROOT/src/runtime/panic.go:811 +0x168 fp=0xc000a5d260 sp=0xc000a5d1b0 pc=0x47d728
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).Register(0xc004766f50, {0x2108ac0, 0xc002f82280})
	pkg/sentry/kernel/fasync/fasync.go:154 +0x20e fp=0xc000a5d2f8 sp=0xc000a5d260 pc=0xffa68e
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(0xc002f82280, 0xc002f82280)
	<autogenerated>:1 +0x62 fp=0xc000a5d330 sp=0xc000a5d2f8 pc=0x175de82
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).SetStatusFlags(0xc002f82280, {0x211bf90, 0xc004410c88}, 0xc000169a40, 0x2000)
	pkg/sentry/vfs/file_description.go:291 +0x4d0 fp=0xc000a5d588 sp=0xc000a5d330 pc=0xb04ff0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Fcntl(0xc004410c88, 0xc0012a95b0?, {{0x3}, {0x4}, {0x2000}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:629 +0x3ec fp=0xc000a5d6c8 sp=0xc000a5d588 pc=0x11f444c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004410c88, 0x48, {{0x3}, {0x4}, {0x2000}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x94c fp=0xc000a5d960 sp=0xc000a5d6c8 pc=0xf7e74c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004410c88, 0x48, {{0x3}, {0x4}, {0x2000}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc000a5da08 sp=0xc000a5d960 pc=0xf80532
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004410c88, 0x48, {{0x3}, {0x4}, {0x2000}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000a5da78 sp=0xc000a5da08 pc=0xf7ff54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004410c88)
	pkg/sentry/kernel/task_syscall.go:258 +0x490 fp=0xc000a5db98 sp=0xc000a5da78 pc=0xf7fb10
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004410c88?, 0xc004410c88)
	pkg/sentry/kernel/task_run.go:269 +0x1ec9 fp=0xc000a5de70 sp=0xc000a5db98 pc=0xf6c4a9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004410c88, 0xf6fc)
	pkg/sentry/kernel/task_run.go:97 +0x4ca fp=0xc000a5dfb0 sp=0xc000a5de70 pc=0xf69c2a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x45 fp=0xc000a5dfe0 sp=0xc000a5dfb0 pc=0xf7c605
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a5dfe8 sp=0xc000a5dfe0 pc=0x486aa1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 204927
	pkg/sentry/kernel/task_start.go:416 +0x15c