[Fontconfig-bugs] [Bug 69845] race condition issue?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69845

--- Comment #11 from Akira TAGOH <akira at tagoh.org> ---
(In reply to comment #10)
> Why this change:
> 
> - memset (new->map, '\0', sizeof (new->map));
> - memcpy (new->map, ls->map, FC_MIN (sizeof (new->map), ls->map_size *
> sizeof (ls->map[0])));
> + memcpy (new->map, ls->map, sizeof (ls->map));
> 
> It's wrong.

unrelated to this matter but isn't it a duplicate? is there any assumption that
the size of new->map and ls->map is different? map_size is always set to
NUM_LANG_SET_MAP and no reallocation on map too. hmm, architecture related
thing? that said we have separate caches per architectures. there shouldn't be
the case which we deal with different size of FcChar32.

That would be appreciated if you can explain a bit so that I may missing
something else.

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