panic: MountNamespace.FindInode: path is empty

goroutine 1546584 [running]:
gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindLink(0xc420334780, 0xc79420, 0xc421f2ed00, 0xc420370000, 0xc4248199a0, 0x0, 0x0, 0x28, 0x20, 0x7f8649a08de8, ...)
	pkg/sentry/fs/mounts.go:352 +0x500
gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindInode(0xc420334780, 0xc79420, 0xc421f2ed00, 0xc420370000, 0xc4248199a0, 0x0, 0x0, 0x28, 0x30, 0xc4207412d0, ...)
	pkg/sentry/fs/mounts.go:437 +0x71
gvisor.googlesource.com/gvisor/pkg/sentry/loader.openPath(0xc79420, 0xc421f2ed00, 0xc420334780, 0xc420370000, 0xc4248199a0, 0x28, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/loader/loader.go:58 +0xc1
gvisor.googlesource.com/gvisor/pkg/sentry/loader.loadPath(0xc79420, 0xc421f2ed00, 0xc421eef900, 0xc420334780, 0xc420370000, 0xc4248199a0, 0x28, 0xc42000a3e0, 0x0, 0x0, ...)
	pkg/sentry/loader/loader.go:135 +0x170
gvisor.googlesource.com/gvisor/pkg/sentry/loader.Load(0xc79420, 0xc421f2ed00, 0xc421eef900, 0xc420334780, 0xc420370000, 0xc4248199a0, 0x28, 0xc42000a3e0, 0x0, 0x0, ...)
	pkg/sentry/loader/loader.go:195 +0x158
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).LoadTaskImage(0xc4202c0000, 0xc79420, 0xc421f2ed00, 0xc420334780, 0xc420370000, 0xc4248199a0, 0x28, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_context.go:157 +0x1b9
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Execve(0xc421f2ed00, 0x20000940, 0x20000980, 0x20000b80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_thread.go:106 +0x2c8
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc421f2ed00, 0x3b, 0x20000940, 0x20000980, 0x20000b80, 0x0, 0x0, 0x0, 0xc42000a3e0, 0xbb8dc0, ...)
	pkg/sentry/kernel/task_syscall.go:162 +0x307
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc421f2ed00, 0x3b, 0x20000940, 0x20000980, 0x20000b80, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:278 +0x62
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc421f2ed00, 0x3b, 0x20000940, 0x20000980, 0x20000b80, 0x0, 0x0, 0x0, 0xc6c500, 0xc420b3ee00)
	pkg/sentry/kernel/task_syscall.go:241 +0x91
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc421f2ed00, 0x2, 0xc4203d67e0)
	pkg/sentry/kernel/task_syscall.go:216 +0x10c
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc421f2ed00, 0xc6c500, 0x0)
	pkg/sentry/kernel/task_run.go:217 +0xed8
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc421f2ed00, 0xc12f)
	pkg/sentry/kernel/task_run.go:95 +0x174
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:251 +0x100