tree b90aa46dfc14556848e71d68843d6c39a99d967b
parent de15165774db6a0964635ab9186943cab8cad42d
author Alexei Podtelezhnikov <apodtele@gmail.com> 1621221121 -0400
committer Alexei Podtelezhnikov <apodtele@gmail.com> 1621221121 -0400

[sfnt] Additional guards on the POST table.

Fixes timeout (#1055) analyzed by Ben Wagner, reported as

  https://crbug.com/1194092

* src/sfnt/ttload.c (tt_face_load_post): Check POST format.
* src/sfnt/sfobjs.c (sfnt_load_face): Synthesize the missing unicode
charmap only if the glyph names exist.
* src/psnames/psmodule.c (ps_unicode_value): Short cut ".notdef" and
".null".