panic: runtime error: index out of range [0] with length 0 goroutine 20567 [running]: panic({0x122c280, 0xc00210fc50}) GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc00221b178 sp=0xc00221b0b8 pc=0x43763a runtime.goPanicIndex(0x0, 0x0) GOROOT/src/runtime/panic.go:113 +0x7f fp=0xc00221b1b8 sp=0xc00221b178 pc=0x4354ff gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*lisafsDentry).getRemoteChildAndWalkPathLocked(0xc000323600, {0x1576138, 0xc0012f5500}, 0x0?, 0xc000012610) pkg/sentry/fsimpl/gofer/lisafs_dentry.go:265 +0x351 fp=0xc00221b2a0 sp=0xc00221b1b8 pc=0xd9b451 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*dentry).getRemoteChildAndWalkPathLocked(0xc000323600?, {0x1576138?, 0xc0012f5500?}, 0xd9385c?, 0x173c1849e1c6f2c9?) pkg/sentry/fsimpl/gofer/dentry_impl.go:211 +0x65 fp=0xc00221b2d8 sp=0xc00221b2a0 pc=0xd7ca65 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).getChildAndWalkPathLocked(0xc00221b3f8?, {0x1576138, 0xc0012f5500}, 0x40?, 0xc000528900, 0xc00221b3c0?) pkg/sentry/fsimpl/gofer/filesystem.go:265 +0xc6 fp=0xc00221b320 sp=0xc00221b2d8 pc=0xd821c6 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).stepLocked(0x0?, {0x1576138, 0xc0012f5500}, 0xc000528900, 0xc000323600, 0x1, 0xc000012610?) pkg/sentry/fsimpl/gofer/filesystem.go:205 +0x287 fp=0xc00221b378 sp=0xc00221b320 pc=0xd81b27 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).walkParentDirLocked(0xc00221b4e0?, {0x1576138, 0xc0012f5500}, 0xc000528900, 0xc000323600, 0xc00221b460?) pkg/sentry/fsimpl/gofer/filesystem.go:313 +0x11d fp=0xc00221b3f8 sp=0xc00221b378 pc=0xd824fd gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).doCreateAt(0xc0005ea480, {0x1576138, 0xc0012f5500}, 0xc000528900, 0x0, 0xc00221b650, 0x0) pkg/sentry/fsimpl/gofer/filesystem.go:371 +0x1ae fp=0xc00221b610 sp=0xc00221b3f8 pc=0xd82b6e gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).LinkAt(0xc000528900?, {0x1576138?, 0xc0012f5500?}, 0x155d1c0?, {0xc0005b9900?, 0xc001784320?}) pkg/sentry/fsimpl/gofer/filesystem.go:724 +0x8d fp=0xc00221b690 sp=0xc00221b610 pc=0xd85ccd gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0001bc280?, {0x1576138, 0xc0012f5500}, 0xc002016400?, 0xc000a46e00?, 0xc00221b848) pkg/sentry/vfs/vfs.go:296 +0x203 fp=0xc00221b710 sp=0xc00221b690 pc=0x78d0c3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0012f5500, 0xb02970?, 0xc0012f5500?, 0x7de0f88?, 0x0?, 0x0) pkg/sentry/syscalls/linux/sys_file.go:1029 +0x3d5 fp=0xc00221b908 sp=0xc00221b710 pc=0xb032b5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Link(0xc0012f5500?, {{0x20000180}, {0x200001c0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:988 +0x4b fp=0xc00221b948 sp=0xc00221b908 pc=0xb02e0b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0012f5500, 0x56, {{0x20000180}, {0x200001c0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc00221bc88 sp=0xc00221b948 pc=0x9b96eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0012f5500, 0x85?, {{0x20000180}, {0x200001c0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc00221bce8 sp=0xc00221bc88 pc=0x9bacd4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00221bd90?, 0x971d46?, {{0x20000180}, {0x200001c0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc00221bd48 sp=0xc00221bce8 pc=0x9ba8c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001f91ba0?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc00221be40 sp=0xc00221bd48 pc=0x9ba58c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001bf0080?, 0xc0012f5500) pkg/sentry/kernel/task_run.go:256 +0x1245 fp=0xc00221bf60 sp=0xc00221be40 pc=0x9ac445 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0012f5500, 0x2db) pkg/sentry/kernel/task_run.go:94 +0x229 fp=0xc00221bfc0 sp=0xc00221bf60 pc=0x9aab69 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc00221bfe0 sp=0xc00221bfc0 pc=0x9b7b6a runtime.goexit() src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00221bfe8 sp=0xc00221bfe0 pc=0x46c521 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x105