panic: MountNamespace.FindInode: path is empty

goroutine 170121 [running]:
gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindLink(0xc42014efc0, 0x10d7400, 0xc4214de000, 0xc42023e5a0, 0xc420d16780, 0x0, 0x0, 0x28, 0x3c0000000000, 0x330, ...)
	pkg/sentry/fs/mounts.go:352 +0x5ce
gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindInode(0xc42014efc0, 0x10d7400, 0xc4214de000, 0xc42023e5a0, 0xc420d16780, 0x0, 0x0, 0x28, 0xc420e2f068, 0x493b9a, ...)
	pkg/sentry/fs/mounts.go:437 +0x94
gvisor.googlesource.com/gvisor/pkg/sentry/loader.openPath(0x10d7400, 0xc4214de000, 0xc42014efc0, 0xc42023e5a0, 0xc420d16780, 0x28, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/loader/loader.go:58 +0xd2
gvisor.googlesource.com/gvisor/pkg/sentry/loader.loadPath(0x10d7400, 0xc4214de000, 0xc4203ae580, 0xc42014efc0, 0xc42023e5a0, 0xc420d16780, 0x28, 0xc42000c3e0, 0x0, 0x0, ...)
	pkg/sentry/loader/loader.go:135 +0x17e
gvisor.googlesource.com/gvisor/pkg/sentry/loader.Load(0x10d7400, 0xc4214de000, 0xc4203ae580, 0xc42014efc0, 0xc42023e5a0, 0xc420d16780, 0x28, 0xc42000c3e0, 0x0, 0x0, ...)
	pkg/sentry/loader/loader.go:195 +0x169
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).LoadTaskImage(0xc4202b2120, 0x10d7400, 0xc4214de000, 0xc42014efc0, 0xc42023e5a0, 0xc420d16780, 0x28, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_context.go:157 +0x1f4
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Execve(0xc4214de000, 0x20000040, 0x200000c0, 0x20000100, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_thread.go:106 +0x381
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc4214de000, 0x3b, 0x20000040, 0x200000c0, 0x20000100, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:162 +0x14f
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc4214de000, 0x3b, 0x20000040, 0x200000c0, 0x20000100, 0x0, 0x0, 0x0, 0x20000040, 0x200000c0)
	pkg/sentry/kernel/task_syscall.go:278 +0x7e
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc4214de000, 0x3b, 0x20000040, 0x200000c0, 0x20000100, 0x0, 0x0, 0x0, 0xc420332460, 0xc420e2fc50)
	pkg/sentry/kernel/task_syscall.go:241 +0xc4
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc4214de000, 0x2, 0xc420154d80)
	pkg/sentry/kernel/task_syscall.go:216 +0x19d
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc4214de000, 0x10c8540, 0x0)
	pkg/sentry/kernel/task_run.go:217 +0x157d
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc4214de000, 0x19ef)
	pkg/sentry/kernel/task_run.go:95 +0x265
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:251 +0x194