Revert "Update runc to 1.0.0"

vendor/github.com/cilium/ebpf/internal/ptr.go

@@ -22,6 +22,10 @@ func NewSlicePointer(buf []byte) Pointer {
 
 // NewStringPointer creates a 64-bit pointer from a string.
 func NewStringPointer(str string) Pointer {
+	if str == "" {
+		return Pointer{}
+	}
+
 	p, err := unix.BytePtrFromString(str)
 	if err != nil {
 		return Pointer{}