[cairo-bugs] [Bug 78787] blueman and xfce4-power-manager crash when opening right-click menu while terminus is set as system font

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78787

--- Comment #8 from Massimo <sixtysix at inwind.it> ---
A fix for this problem (not for the case of corrupted/fuzzed font files)
could be to pass only CAIRO_SCALED_GLYPH_INFO_METRICS when
scaled_font->backend->scaled_glyph_init is called to insert the not yet
cached glyph in the hash_table, basically removing 'info | ' here:

http://cgit.freedesktop.org/cairo/tree/src/cairo-scaled-font.c#n2984

if it was requested also the path info it is filled in the second
call:

http://cgit.freedesktop.org/cairo/tree/src/cairo-scaled-font.c#n3000

whose UNSUPPORTED failure path gracefully propagates the status

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