{
   Memory leak in glibc/backtrace
   Memcheck:Leak
   fun:malloc
   fun:_dl_map_object_deps
   fun:dl_open_worker
   fun:_dl_catch_error
   fun:_dl_open
   fun:do_dlopen
   fun:_dl_catch_error
   fun:dlerror_run
   fun:__libc_dlopen_mode
   fun:init
   ...
   fun:*backtrace*
   ...
}