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

goroutine 266141 [running]:
panic({0x113a280, 0xc006315548})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc002da30f0 sp=0xc002da3030 pc=0x43781a
runtime.goPanicIndex(0x0, 0x0)
	GOROOT/src/runtime/panic.go:113 +0x7f fp=0xc002da3130 sp=0xc002da30f0 pc=0x4356df
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*lisafsDentry).getRemoteChildAndWalkPathLocked(0xc000632000, {0x1453218, 0xc007212a80}, 0xc0002b2480?, 0xc002da3558)
	pkg/sentry/fsimpl/gofer/lisafs_dentry.go:265 +0x24d fp=0xc002da3208 sp=0xc002da3130 pc=0xcb38cd
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*dentry).getRemoteChildAndWalkPathLocked(0x1058040?, {0x1453218?, 0xc007212a80?}, 0x0?, 0xcad712?)
	pkg/sentry/fsimpl/gofer/dentry_impl.go:211 +0x4b fp=0xc002da3240 sp=0xc002da3208 pc=0xc9a64b
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).getChildAndWalkPathLocked(0xc0009a12c8?, {0x1453218?, 0xc007212a80?}, 0xc000632000?, 0xc0007da000?, 0xc000632000?)
	pkg/sentry/fsimpl/gofer/filesystem.go:265 +0x1ad fp=0xc002da3290 sp=0xc002da3240 pc=0xc9eced
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).stepLocked(0xc0002b2480?, {0x1453218, 0xc007212a80}, 0xc0007da000, 0xc000632000, 0x1, 0x8ece0f?)
	pkg/sentry/fsimpl/gofer/filesystem.go:205 +0x1b0 fp=0xc002da32e8 sp=0xc002da3290 pc=0xc9e590
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).walkParentDirLocked(0x0?, {0x1453218, 0xc007212a80}, 0xc0007da000, 0xc000632000, 0xffffffffffffffff?)
	pkg/sentry/fsimpl/gofer/filesystem.go:313 +0xdb fp=0xc002da3370 sp=0xc002da32e8 pc=0xc9ee3b
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).unlinkAt(0xc0002b2480, {0x1453218, 0xc007212a80}, 0xc0007da000, 0x1)
	pkg/sentry/fsimpl/gofer/filesystem.go:495 +0x165 fp=0xc002da3668 sp=0xc002da3370 pc=0xca02e5
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).RmdirAt(0xc0007da000?, {0x1453218?, 0xc007212a80?}, 0x143a220?)
	pkg/sentry/fsimpl/gofer/filesystem.go:1400 +0x28 fp=0xc002da36a0 sp=0xc002da3668 pc=0xca7028
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).RmdirAt(0xc00061e100?, {0x1453218, 0xc007212a80}, 0xc0069df400?, 0xc0087e3800?)
	pkg/sentry/vfs/vfs.go:565 +0xe7 fp=0xc002da36f8 sp=0xc002da36a0 pc=0x759047
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.rmdirat(0xc007212a80, 0x0?, 0xc007212a80?)
	pkg/sentry/syscalls/linux/sys_file.go:946 +0x1b4 fp=0xc002da3868 sp=0xc002da36f8 pc=0xa54574
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Rmdir(0xc007212a80?, {{0x20000140}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:933 +0x25 fp=0xc002da3890 sp=0xc002da3868 pc=0xa54385
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007212a80, 0x54, {{0x20000140}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc002da3c80 sp=0xc002da3890 pc=0x9344b5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007212a80, 0xc0078e3938?, {{0x20000140}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc002da3ce0 sp=0xc002da3c80 pc=0x9356ea
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x0?, 0x8?, {{0x20000140}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc002da3d40 sp=0xc002da3ce0 pc=0x9353c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0074db110?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc002da3e38 sp=0xc002da3d40 pc=0x935130
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0079fc700?, 0xc007212a80)
	pkg/sentry/kernel/task_run.go:256 +0xeaa fp=0xc002da3f60 sp=0xc002da3e38 pc=0x9295ca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007212a80, 0x269b)
	pkg/sentry/kernel/task_run.go:94 +0x1c3 fp=0xc002da3fc0 sp=0xc002da3f60 pc=0x9280e3
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc002da3fe0 sp=0xc002da3fc0 pc=0x932caa
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc002da3fe8 sp=0xc002da3fe0 pc=0x46c701
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef