Wireshark-bugs: [Wireshark-bugs] [Bug 9152] wireshark dumps core probably in font handling

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sat, 14 Sep 2013 21:43:54 +0000

Comment # 1 on bug 9152 from 
Pango?

Well, font_init() does

    m_r_font = pango_font_description_from_string(prefs.gui_gtk2_font_name);

and, if prefs.gui_gtk2_font_name is null, that might explain


(wireshark:1498): Pango-CRITICAL **: file fonts.c: line 1093: assertion `str !=
NULL' failed

and might also explain

        fprintf(stderr, "wireshark: Warning: font %s not found - defaulting to
Monospace 9\n",
                prefs.gui_gtk2_font_name);

crashing - this is Solaris, so there's no wimping out by printing null string
pointers as "(null)", it's straight into a crash (which is perfectly legitimate
behavior).

So I'd guess that, somehow, prefs.gui_gtk2_font_name is a null pointer.

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