reverted last commit, was a different problem

valgrind.suppressions/common.supp

@@ -200,19 +200,9 @@
 {
    bash-free
    Memcheck:Free
-   Memcheck:Free
-   fun:free
-   obj:/bin/bash
-   fun:run_unwind_frame
-   fun:parse_and_execute
-   fun:command_substitute
-   obj:/bin/bash
-   obj:/bin/bash
+   ...
    obj:/bin/bash
-   fun:execute_command_internal
-   fun:execute_command
-   fun:reader_loop
-   fun:main
+   ...
 }
 {
    ZeroMQ