[cairo-bugs] [Bug 85141] [pdftocairo] SIGABRT in cairo-scaled-font.c:459

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85141

Adrian Johnson <ajohnson at redneon.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|utils                       |general
           Assignee|poppler-bugs at lists.freedesk |chris at chris-wilson.co.uk
                   |top.org                     |
            Product|poppler                     |cairo
         QA Contact|                            |cairo-bugs at cairographics.or
                   |                            |g

--- Comment #1 from Adrian Johnson <ajohnson at redneon.com> ---
The pdf uses Type 3 fonts which are rendered using user fonts. The bug is
triggered by the user font render function in poppler returning
CAIRO_STATUS_USER_FONT_ERROR. This causes _cairo_scaled_glyph_lookup() (which
has an assert (scaled_font->cache_frozen)) to call
_cairo_scaled_font_free_last_glyph() which calls
_cairo_scaled_glyph_page_destroy() which contains a
assert(!scaled_font->cache_frozen)

I'm not sure what the correct fix is.

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