On Thu, 2015-11-19 at 12:37 +0100, Mark Wielaard wrote: > libdwfl sets the Dwfl_Module Ebl for the eh_cfi and dwarf_cfi cache to > save a bit of memory. It also calls ebl_closebackend on the ebl to free > it. The Dwarf_CFI never frees the Ebl in the cache, even when it opened > one itself. This means that if only libdw calls are used to access the > Dwarf_CFI the Ebl might be leaked. > > Always destroy the Dwarf_CFI cache Ebl in __libdw_destroy_frame_cache. > And in __libdwfl_module_free clear the Dwarf_CFI Ebl if it is the > Dwfl_Module Ebl before calling dwarf_cfi_end and dwarf_end.
I pushed this to elfutils master. Masami, please let me know if you need any help with the other leaks you found in perf using libdw. Thanks, Mark
