{
   dlopen
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:calloc
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.2.5
   ...
}

{
   dlerror
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:vasprintf
   fun:asprintf
   fun:dlerror
   ...
}

{
   curl
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   fun:curl_global_init
   ...
}