tree cfa6d028b2bce97eb4e624164220f3072ebbf64f
parent 5f485339be5b2dab5dc0a7ee6c80c6ea1bd407c8
author Werner Lemberg <wl@gnu.org> 1621934876 +0200
committer Werner Lemberg <wl@gnu.org> 1621934876 +0200

[psaux] Guard and trace AFM kern data allocation.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31543

* include/freetype/internal/fttrace.h: Add 'afmparse' trace
component.

* src/psaux/afmparse.c (FT_COMPONENT): Define.
(afm_parse_track_kern, afm_parse_kern_pairs): Protect against
allocations bombs.
Add tracing.
(afm_parse_kern_data): Don't allow multiple kern data sections.