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[Bug 1337368] Re: gnome-font-viewer crashed with SIGSEGV in strlen()

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From: Bug Watch Updater <1337368@xxxxxxxxxxxxxxxxxx>
Date: Thu, 02 Jul 2015 01:47:15 -0000
Reply-to: Bug 1337368 <1337368@xxxxxxxxxxxxxxxxxx>
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** Changed in: gnome-font-viewer
   Importance: High => Critical

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https://bugs.launchpad.net/bugs/1337368

Title:
  gnome-font-viewer crashed with SIGSEGV in strlen()

Status in Gnome Font Viewer:
  Confirmed
Status in gnome-font-viewer package in Ubuntu:
  Confirmed
Status in gnome-font-viewer package in Fedora:
  Unknown

Bug description:
  When I try to open a .ttf file called mtextra.ttf, it happened.
  It will happen as long as I open a .ttf file with special symbols, such as symbol.ttf, wingding.ttf......

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: gnome-font-viewer 3.12.0-1
  ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0
  Uname: Linux 3.15.0-6-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.3-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Jul  3 22:48:31 2014
  ExecutablePath: /usr/bin/gnome-font-viewer
  InstallationDate: Installed on 2014-07-03 (0 days ago)
  InstallationMedia: Ubuntu-Kylin 14.10 "Utopic Unicorn" - Alpha amd64 (20140624)
  ProcCmdline: gnome-font-viewer /home/username/.cache/.fr-gzBOFH/mtextra.ttf
  ProcEnviron:
   LANGUAGE=zh_CN:zh
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=zh_CN.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f3b1cbd6ada <strlen+42>:	movdqu (%rax),%xmm12
   PC (0x7f3b1cbd6ada) ok
   source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%xmm12" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-font-viewer
  StacktraceTop:
   strlen () at ../sysdeps/x86_64/strlen.S:106
   ?? ()
   ?? ()
   ?? ()
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
  Title: gnome-font-viewer crashed with SIGSEGV in strlen()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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