Merge pull request #5198 from glb/ignore-pax-global-header

fix: ignore pax_global_header "file" in chart validation
Signed-off-by: Kevin Labesse <kevin@labesse.me>

pkg/chartutil/load.go

@@ -93,6 +93,12 @@ func loadArchiveFiles(in io.Reader) ([]*BufferedFile, error) {
 			continue
 		}
 
+		switch hd.Typeflag {
+		// We don't want to process these extension header files.
+		case tar.TypeXGlobalHeader, tar.TypeXHeader:
+			continue
+		}
+
 		// Archive could contain \ if generated on Windows
 		delimiter := "/"
 		if strings.ContainsRune(hd.Name, '\\') {