panic: runtime error: index out of range [0] with length 0 goroutine 117676 [running]: panic({0x121bf20, 0xc0062234e8}) GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0030c3178 sp=0xc0030c30b8 pc=0x43763a runtime.goPanicIndex(0x0, 0x0) GOROOT/src/runtime/panic.go:113 +0x7f fp=0xc0030c31b8 sp=0xc0030c3178 pc=0x4354ff gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*lisafsDentry).getRemoteChildAndWalkPathLocked(0xc000634000, {0x1563918, 0xc004d11500}, 0x0?, 0xc0084301b8) pkg/sentry/fsimpl/gofer/lisafs_dentry.go:265 +0x351 fp=0xc0030c32a0 sp=0xc0030c31b8 pc=0xd8b411 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*dentry).getRemoteChildAndWalkPathLocked(0xc000634000?, {0x1563918?, 0xc004d11500?}, 0xd8381c?, 0x173caf37107cfa91?) pkg/sentry/fsimpl/gofer/dentry_impl.go:211 +0x65 fp=0xc0030c32d8 sp=0xc0030c32a0 pc=0xd6ca25 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).getChildAndWalkPathLocked(0xc0030c33f8?, {0x1563918, 0xc004d11500}, 0x40?, 0xc005fa2000, 0xc0030c33c0?) pkg/sentry/fsimpl/gofer/filesystem.go:265 +0xc6 fp=0xc0030c3320 sp=0xc0030c32d8 pc=0xd72186 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).stepLocked(0x954193?, {0x1563918, 0xc004d11500}, 0xc005fa2000, 0xc000634000, 0x1, 0xc0084301b8?) pkg/sentry/fsimpl/gofer/filesystem.go:205 +0x287 fp=0xc0030c3378 sp=0xc0030c3320 pc=0xd71ae7 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).walkParentDirLocked(0xc0030c34e0?, {0x1563918, 0xc004d11500}, 0xc005fa2000, 0xc000634000, 0xc0030c3460?) pkg/sentry/fsimpl/gofer/filesystem.go:313 +0x11d fp=0xc0030c33f8 sp=0xc0030c3378 pc=0xd724bd gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).doCreateAt(0xc00052f200, {0x1563918, 0xc004d11500}, 0xc005fa2000, 0x0, 0xc0030c3650, 0x0) pkg/sentry/fsimpl/gofer/filesystem.go:371 +0x1ae fp=0xc0030c3610 sp=0xc0030c33f8 pc=0xd72b2e gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).LinkAt(0xc005fa2000?, {0x1563918?, 0xc004d11500?}, 0x154aa60?, {0xc000624100?, 0xc000634000?}) pkg/sentry/fsimpl/gofer/filesystem.go:724 +0x8d fp=0xc0030c3690 sp=0xc0030c3610 pc=0xd75c8d gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000624100?, {0x1563918, 0xc004d11500}, 0xc005a82c00?, 0xc005362a00?, 0xc0030c3848) pkg/sentry/vfs/vfs.go:296 +0x203 fp=0xc0030c3710 sp=0xc0030c3690 pc=0x77cda3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc004d11500, 0x0?, 0xaf0e40?, 0x9bd06f88?, 0x0?, 0x0) pkg/sentry/syscalls/linux/sys_file.go:1029 +0x3d5 fp=0xc0030c3908 sp=0xc0030c3710 pc=0xaf3275 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc004d11500?, {{0x4}, {0x20000240}, {0x3}, {0x20000280}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:998 +0x6e fp=0xc0030c3948 sp=0xc0030c3908 pc=0xaf2e6e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004d11500, 0x109, {{0x4}, {0x20000240}, {0x3}, {0x20000280}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0030c3c88 sp=0xc0030c3948 pc=0x9a95eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004d11500, 0x85?, {{0x4}, {0x20000240}, {0x3}, {0x20000280}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0030c3ce8 sp=0xc0030c3c88 pc=0x9aabd4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0030c3d90?, 0x961c46?, {{0x4}, {0x20000240}, {0x3}, {0x20000280}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0030c3d48 sp=0xc0030c3ce8 pc=0x9aa7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008d80b60?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0030c3e40 sp=0xc0030c3d48 pc=0x9aa48c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004f04680?, 0xc004d11500) pkg/sentry/kernel/task_run.go:256 +0x1245 fp=0xc0030c3f60 sp=0xc0030c3e40 pc=0x99c345 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004d11500, 0x162a) pkg/sentry/kernel/task_run.go:94 +0x229 fp=0xc0030c3fc0 sp=0xc0030c3f60 pc=0x99aa69 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc0030c3fe0 sp=0xc0030c3fc0 pc=0x9a7a6a runtime.goexit() src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0030c3fe8 sp=0xc0030c3fe0 pc=0x46c521 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x105