panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x80b228]

goroutine 232 [running]:
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x0)
	pkg/sentry/vfs/file_description.go:161 +0x48
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SocketPair(0xc00047ca80, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_socket.go:251 +0x379
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00047ca80, 0x35, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x85, 0x340, ...)
	pkg/sentry/kernel/task_syscall.go:170 +0x44e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00047ca80, 0x35, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x407b4a, 0xc00047d32f)
	pkg/sentry/kernel/task_syscall.go:305 +0xb5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00047ca80, 0x35, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0xc0004e3cd0, 0xe7eef6)
	pkg/sentry/kernel/task_syscall.go:265 +0x10a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00047ca80, 0x2, 0xc0001aa000)
	pkg/sentry/kernel/task_syscall.go:240 +0x1e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00047ca80, 0x14dcee0, 0x0)
	pkg/sentry/kernel/task_run.go:258 +0x16a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00047ca80, 0x28)
	pkg/sentry/kernel/task_run.go:92 +0x321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:315 +0x19e