panic: registering already registered file

goroutine 490013 gp=0xc0016721c0 m=74 mp=0xc0017f8808 [running]:
panic({0x11c31a0?, 0x1658dc0?})
	GOROOT/src/runtime/panic.go:811 +0x168 fp=0xc0007b96e0 sp=0xc0007b9630 pc=0x4788c8
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).Register(0xc0018bc2a0, {0x1670f10, 0xc0031c9780})
	pkg/sentry/kernel/fasync/fasync.go:154 +0x125 fp=0xc0007b9738 sp=0xc0007b96e0 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=0xc0007b9760 sp=0xc0007b9738 pc=0xf6c871
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).SetStatusFlags(0xc0031c9780, {0x1683db0?, 0xc003334c88?}, 0xc022815b00, 0x42800)
	pkg/sentry/vfs/file_description.go:291 +0x38c fp=0xc0007b9970 sp=0xc0007b9760 pc=0x80656c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Fcntl(0xc003334c88, 0x49f2f9?, {{0x3}, {0x4}, {0x42800}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:629 +0x254 fp=0xc0007b9a78 sp=0xc0007b9970 pc=0xc241f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003334c88, 0x48, {{0x3}, {0x4}, {0x42800}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x655 fp=0xc0007b9ca8 sp=0xc0007b9a78 pc=0xaa20f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003334c88, 0x48, {{0x3}, {0x4}, {0x42800}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc0007b9d00 sp=0xc0007b9ca8 pc=0xaa3245
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003334c88, 0x48, {{0x3}, {0x4}, {0x42800}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc0007b9d50 sp=0xc0007b9d00 pc=0xaa2f65
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002e1a680?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc0007b9e28 sp=0xc0007b9d50 pc=0xaa2ce5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002e41cb0?, 0xc003334c88)
	pkg/sentry/kernel/task_run.go:269 +0xebc fp=0xc0007b9f30 sp=0xc0007b9e28 pc=0xa98abc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003334c88, 0x2feb)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc0007b9fc0 sp=0xc0007b9f30 pc=0xa97594
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc0007b9fe0 sp=0xc0007b9fc0 pc=0xaa0b45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0007b9fe8 sp=0xc0007b9fe0 pc=0x4816e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 489946
	pkg/sentry/kernel/task_start.go:416 +0xc5