panic: runtime error: index out of range [0] with length 0 goroutine 212 [running]: panic({0x1093160, 0xc000436a20}) GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0008a9178 sp=0xc0008a90b8 pc=0x43761a runtime.goPanicIndex(0x0, 0x0) GOROOT/src/runtime/panic.go:113 +0x7f fp=0xc0008a91b8 sp=0xc0008a9178 pc=0x4354df gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*lisafsDentry).getRemoteChildAndWalkPathLocked(0xc000360900, {0x137d518, 0xc0005fea80}, 0x0?, 0xc000012048) pkg/sentry/fsimpl/gofer/lisafs_dentry.go:265 +0x351 fp=0xc0008a92a0 sp=0xc0008a91b8 pc=0xd6d231 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*dentry).getRemoteChildAndWalkPathLocked(0xc000360900?, {0x137d518?, 0xc0005fea80?}, 0xd6563c?, 0x173bce827c701c20?) pkg/sentry/fsimpl/gofer/dentry_impl.go:211 +0x65 fp=0xc0008a92d8 sp=0xc0008a92a0 pc=0xd4e845 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).getChildAndWalkPathLocked(0xc0008a93f8?, {0x137d518, 0xc0005fea80}, 0x40?, 0xc000316000, 0xc0008a93c0?) pkg/sentry/fsimpl/gofer/filesystem.go:265 +0xc6 fp=0xc0008a9320 sp=0xc0008a92d8 pc=0xd53fa6 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).stepLocked(0x938b73?, {0x137d518, 0xc0005fea80}, 0xc000316000, 0xc000360900, 0x1, 0xc000012048?) pkg/sentry/fsimpl/gofer/filesystem.go:205 +0x287 fp=0xc0008a9378 sp=0xc0008a9320 pc=0xd53907 gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).walkParentDirLocked(0xc0008a94e0?, {0x137d518, 0xc0005fea80}, 0xc000316000, 0xc000360900, 0xc0008a9460?) pkg/sentry/fsimpl/gofer/filesystem.go:313 +0x11d fp=0xc0008a93f8 sp=0xc0008a9378 pc=0xd542dd gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).doCreateAt(0xc00032a900, {0x137d518, 0xc0005fea80}, 0xc000316000, 0x0, 0xc0008a9650, 0x0) pkg/sentry/fsimpl/gofer/filesystem.go:371 +0x1ae fp=0xc0008a9610 sp=0xc0008a93f8 pc=0xd5494e gvisor.dev/gvisor/pkg/sentry/fsimpl/gofer.(*filesystem).LinkAt(0xc000316000?, {0x137d518?, 0xc0005fea80?}, 0x1366da0?, {0xc0000e6700?, 0xc000360900?}) pkg/sentry/fsimpl/gofer/filesystem.go:724 +0x8d fp=0xc0008a9690 sp=0xc0008a9610 pc=0xd57aad gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0000e6700?, {0x137d518, 0xc0005fea80}, 0xc00033a400?, 0xc00071a700?, 0xc0008a9848) pkg/sentry/vfs/vfs.go:296 +0x203 fp=0xc0008a9710 sp=0xc0008a9690 pc=0x774fc3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0005fea80, 0xad7250?, 0xc0005fea80?, 0x4222e5?, 0x0?, 0x0) pkg/sentry/syscalls/linux/sys_file.go:1029 +0x3d5 fp=0xc0008a9908 sp=0xc0008a9710 pc=0xad7b95 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Link(0x40d7bf?, {{0x20005f00}, {0x200080c0}, {0x562c8b65f029}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:988 +0x4b fp=0xc0008a9948 sp=0xc0008a9908 pc=0xad76eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0005fea80, 0x56, {{0x20005f00}, {0x200080c0}, {0x562c8b65f029}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0008a9c88 sp=0xc0008a9948 pc=0x98dfcb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0005fea80, 0x0?, {{0x20005f00}, {0x200080c0}, {0x562c8b65f029}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0008a9ce8 sp=0xc0008a9c88 pc=0x98f5b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0004b4040?, 0xc0008a9e30?, {{0x20005f00}, {0x200080c0}, {0x562c8b65f029}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0008a9d48 sp=0xc0008a9ce8 pc=0x98f1a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004a2000?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0008a9e40 sp=0xc0008a9d48 pc=0x98ee6c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00036e000?, 0xc0005fea80) pkg/sentry/kernel/task_run.go:256 +0x1245 fp=0xc0008a9f60 sp=0xc0008a9e40 pc=0x980d25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005fea80, 0x1d) pkg/sentry/kernel/task_run.go:94 +0x229 fp=0xc0008a9fc0 sp=0xc0008a9f60 pc=0x97f449 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc0008a9fe0 sp=0xc0008a9fc0 pc=0x98c44a runtime.goexit() src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0008a9fe8 sp=0xc0008a9fe0 pc=0x46c501 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x105