[Dev-luatex] Request for bugfix - user defined whatsit node

luigi scarso luigi.scarso at gmail.com
Thu Dec 5 12:00:58 CET 2019


On Tue, Dec 3, 2019 at 6:16 PM Hans Hagen <j.hagen at xs4all.nl> wrote:

> On 11/15/2019 12:35 PM, Sigitas Tolusis wrote:
> > Noticed two bugs.
> >
> > 1. Mised case for user defined whatsit node type 108 (‘l’ Lua value)
> >      in function check_node_wrapup_core (texnodes.c:2482).
> >      Possible fix: just add the same as cases for types ’s’ and ‘d’.
> >      Insert line at texnodes.c:2500
> >                  case ‘l':
> >
> > 2. In function flush_node_wrapup_core (texnodes.c:2201) for user defined
> >      whatsit node type ‘l’ we have: free_user_lua(user_node_value(p)).
> >      But in luanode.c:409 free_user_lua is defined as:
> >
> > void free_user_lua(pointer p)
> > {
> >      if (user_node_value(p) != 0) {
> >          luaL_unref(Luas, LUA_REGISTRYINDEX, user_node_value(p));
> >      }
> > }
> >
> > So we have two times user_node_value and it generates segmentation fault.
> > Possible fix: free_user_lua(p); // (texnodes.c:2223)
> fixed in next luatex beta buit best test then
>
> Hans
>

Done in rev. 7233 .

-- 
luigi
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