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

goroutine 21734 [running]:
panic({0x121bf20, 0xc0006d1530})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc001ac11b0 sp=0xc001ac10f0 pc=0x43763a
runtime.goPanicIndex(0x0, 0x0)
	GOROOT/src/runtime/panic.go:113 +0x7f fp=0xc001ac11f0 sp=0xc001ac11b0 pc=0x4354ff
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*lisafsDentry).getRemoteChildAndWalkPathLocked(0xc000323600, {0x1563918, 0xc001bd8000}, 0x0?, 0xc001ac1608)
	pkg/sentry/fsimpl/gofer/lisafs_dentry.go:265 +0x351 fp=0xc001ac12d8 sp=0xc001ac11f0 pc=0xd8b411
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*dentry).getRemoteChildAndWalkPathLocked(0xc000323600?, {0x1563918?, 0xc001bd8000?}, 0xd8381c?, 0xc001bd8000?)
	pkg/sentry/fsimpl/gofer/dentry_impl.go:211 +0x65 fp=0xc001ac1310 sp=0xc001ac12d8 pc=0xd6ca25
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).getChildAndWalkPathLocked(0x7f41d7f7b080?, {0x1563918, 0xc001bd8000}, 0x40?, 0xc0003f2480, 0x6de8466a?)
	pkg/sentry/fsimpl/gofer/filesystem.go:265 +0xc6 fp=0xc001ac1358 sp=0xc001ac1310 pc=0xd72186
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).stepLocked(0xffffffffffffffff?, {0x1563918, 0xc001bd8000}, 0xc0003f2480, 0xc000323600, 0x1, 0x40?)
	pkg/sentry/fsimpl/gofer/filesystem.go:205 +0x287 fp=0xc001ac13b0 sp=0xc001ac1358 pc=0xd71ae7
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).walkParentDirLocked(0x7f41d7f7b080?, {0x1563918, 0xc001bd8000}, 0xc0003f2480, 0xc000323600, 0xc0009b0700?)
	pkg/sentry/fsimpl/gofer/filesystem.go:313 +0x11d fp=0xc001ac1430 sp=0xc001ac13b0 pc=0xd724bd
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).unlinkAt(0xc0001f59e0, {0x1563918, 0xc001bd8000}, 0xc0003f2480, 0x0)
	pkg/sentry/fsimpl/gofer/filesystem.go:495 +0x18e fp=0xc001ac1720 sp=0xc001ac1430 pc=0xd73d6e
gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).UnlinkAt(0xc0003f2480?, {0x1563918?, 0xc001bd8000?}, 0x154aa60?)
	pkg/sentry/fsimpl/gofer/filesystem.go:1490 +0x2f fp=0xc001ac1758 sp=0xc001ac1720 pc=0xd7cbef
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).UnlinkAt(0xc0006a6100?, {0x1563918, 0xc001bd8000}, 0xc0016ca400?, 0xc0009b0700?)
	pkg/sentry/vfs/vfs.go:682 +0x143 fp=0xc001ac17b0 sp=0xc001ac1758 pc=0x77eec3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.unlinkat(0xc001bd8000, 0x4?, 0x0?)
	pkg/sentry/syscalls/linux/sys_file.go:1098 +0x206 fp=0xc001ac1920 sp=0xc001ac17b0 pc=0xaf3ee6
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Unlinkat(0xc001bd8000?, {{0x3}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:1114 +0x9c fp=0xc001ac1948 sp=0xc001ac1920 pc=0xaf40bc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001bd8000, 0x107, {{0x3}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc001ac1c88 sp=0xc001ac1948 pc=0x9a95eb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001bd8000, 0x85?, {{0x3}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc001ac1ce8 sp=0xc001ac1c88 pc=0x9aabd4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001ac1d90?, 0x961c46?, {{0x3}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc001ac1d48 sp=0xc001ac1ce8 pc=0x9aa7c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001bb84e0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc001ac1e40 sp=0xc001ac1d48 pc=0x9aa48c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001518280?, 0xc001bd8000)
	pkg/sentry/kernel/task_run.go:256 +0x1245 fp=0xc001ac1f60 sp=0xc001ac1e40 pc=0x99c345
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001bd8000, 0x2fa)
	pkg/sentry/kernel/task_run.go:94 +0x229 fp=0xc001ac1fc0 sp=0xc001ac1f60 pc=0x99aa69
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc001ac1fe0 sp=0xc001ac1fc0 pc=0x9a7a6a
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc001ac1fe8 sp=0xc001ac1fe0 pc=0x46c521
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x105