panic: runtime error: index out of range [0] with length 0

goroutine 210593 [running]:
panic({0x122c2c0, 0xc007aaef18})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc00085f208 sp=0xc00085f148 pc=0x43763a
runtime.goPanicIndex(0x0, 0x0)
	GOROOT/src/runtime/panic.go:113 +0x7f fp=0xc00085f248 sp=0xc00085f208 pc=0x4354ff
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*lisafsDentry).getRemoteChildAndWalkPathLocked(0xc000323600, {0x1576158, 0xc002025500}, 0x0?, 0xc00088caa8)
	pkg/sentry/fsimpl/gofer/lisafs_dentry.go:265 +0x351 fp=0xc00085f330 sp=0xc00085f248 pc=0xd9b311
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*dentry).getRemoteChildAndWalkPathLocked(0xc000323600?, {0x1576158?, 0xc002025500?}, 0xd9371c?, 0x861c4728?)
	pkg/sentry/fsimpl/gofer/dentry_impl.go:211 +0x65 fp=0xc00085f368 sp=0xc00085f330 pc=0xd7c925
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).getChildAndWalkPathLocked(0x7f0a9c6c0000?, {0x1576158, 0xc002025500}, 0xc00085f460?, 0xc004bbc480, 0xc00085f450?)
	pkg/sentry/fsimpl/gofer/filesystem.go:265 +0xc6 fp=0xc00085f3b0 sp=0xc00085f368 pc=0xd82086
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).stepLocked(0xd6dd64784b?, {0x1576158, 0xc002025500}, 0xc004bbc480, 0xc000323600, 0x1, 0xc00088caa8?)
	pkg/sentry/fsimpl/gofer/filesystem.go:205 +0x287 fp=0xc00085f408 sp=0xc00085f3b0 pc=0xd819e7
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).walkParentDirLocked(0x7f0a9c6c2e40?, {0x1576158, 0xc002025500}, 0xc004bbc480, 0xc000323600, 0x0?)
	pkg/sentry/fsimpl/gofer/filesystem.go:313 +0x11d fp=0xc00085f488 sp=0xc00085f408 pc=0xd823bd
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).doCreateAt(0xc0003445a0, {0x1576158, 0xc002025500}, 0xc004bbc480, 0x1, 0xc00085f6f8, 0xc00085f6d8)
	pkg/sentry/fsimpl/gofer/filesystem.go:371 +0x1ae fp=0xc00085f6a0 sp=0xc00085f488 pc=0xd82a2e
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).MkdirAt(0xc004bbc480?, {0x1576158?, 0xc002025500?}, 0x155d1e0?, {0x4398?, 0x9?})
	pkg/sentry/fsimpl/gofer/filesystem.go:757 +0xdd fp=0xc00085f738 sp=0xc00085f6a0 pc=0xd8605d
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MkdirAt(0xc004cf0d40?, {0x1576158, 0xc002025500}, 0xc004915800?, 0xc00449e300?, 0xc00085f824)
	pkg/sentry/vfs/vfs.go:335 +0x171 fp=0xc00085f790 sp=0xc00085f738 pc=0x78d231
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.mkdirat(0xc002025500, 0x47d3bf8c?, 0xffffffffffffffff?, 0x1ff)
	pkg/sentry/syscalls/linux/sys_file.go:925 +0x28b fp=0xc00085f918 sp=0xc00085f790 pc=0xb0228b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Mkdirat(0xc002025500?, {{0xffffff9c}, {0x20002e40}, {0x1ff}, {0x20002e00}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:912 +0x50 fp=0xc00085f948 sp=0xc00085f918 pc=0xb01fd0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002025500, 0x102, {{0xffffff9c}, {0x20002e40}, {0x1ff}, {0x20002e00}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc00085fc88 sp=0xc00085f948 pc=0x9b95ab
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002025500, 0x85?, {{0xffffff9c}, {0x20002e40}, {0x1ff}, {0x20002e00}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc00085fce8 sp=0xc00085fc88 pc=0x9bab94
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00085fd90?, 0x971c06?, {{0xffffff9c}, {0x20002e40}, {0x1ff}, {0x20002e00}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc00085fd48 sp=0xc00085fce8 pc=0x9ba785
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0025deb60?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc00085fe40 sp=0xc00085fd48 pc=0x9ba44c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0036a4280?, 0xc002025500)
	pkg/sentry/kernel/task_run.go:256 +0x1245 fp=0xc00085ff60 sp=0xc00085fe40 pc=0x9ac305
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002025500, 0x1b3e)
	pkg/sentry/kernel/task_run.go:94 +0x229 fp=0xc00085ffc0 sp=0xc00085ff60 pc=0x9aaa29
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc00085ffe0 sp=0xc00085ffc0 pc=0x9b7a2a
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00085ffe8 sp=0xc00085ffe0 pc=0x46c521
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x105