[Bug 1206739] [NEW] xfce4-terminal crashed with SIGSEGV in magazine_chain_pop_head()

[Launchpad Bug Tracker]

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[Impact]

When the user opens the encoding menu, xfce4-terminal crashes. This is
caused by inappropriate handling of the radio item group used in the
menu.

All open xfce4-terminal windows get killed, as they are all the same
process. In addition, anything launched from a terminal window,
including backgrounded and/or GUI apps, also gets killed. This can lead
to a lot of unsaved work getting lost.

The fix does two things: first, simply don't add the non-radio items to
the radio item group. Secondly, build the radio item group the way
described in the Gtk+ documentation.

[Test Case]

Run xfce4-terminal and click Terminal -> Set Encoding.

[Regression Potential]

Minimal. Currently the crash happens 100% of the time when calling a
particular function, and that function is the only one modified by the
patch.

The patched xfce4-terminal is available in ppa:a-j-buxton/xfce

--

Tried to open the set encoding menu sub menu under the terminal menu

expected to see a list including UTF-8 bun instead it crashed instead of
showing a menu

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: xfce4-terminal 0.6.2-3ubuntu1
ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3
Uname: Linux 3.10.0-6-generic x86_64
ApportVersion: 2.11-0ubuntu1
Architecture: amd64
Date: Tue Jul 30 20:42:33 2013
ExecutablePath: /usr/bin/xfce4-terminal
InstallationDate: Installed on 2013-07-27 (3 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130727)
MarkForUpload: True
ProcCmdline: xfce4-terminal
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f7086d60767 <g_slice_alloc+167>:	mov    (%rbx),%rax
 PC (0x7f7086d60767) ok
 source "(%rbx)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: xfce4-terminal
StacktraceTop:
 g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_slice_alloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: xfce4-terminal crashed with SIGSEGV in g_slice_alloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Affects: xfce4-terminal
     Importance: Unknown
         Status: Unknown

** Affects: xfce4-terminal (Ubuntu)
     Importance: Medium
         Status: Confirmed

** Affects: xfce4-terminal (Fedora)
     Importance: Unknown
         Status: Unknown


** Tags: amd64 apport-crash patch saucy
-- 
xfce4-terminal crashed with SIGSEGV in magazine_chain_pop_head()
https://bugs.launchpad.net/bugs/1206739
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