xfce4-cellmodem-plugin crashed with SIGSEGV in g_object_unref()

[Lionel Le Folgoc]

the prototype for the free-data callback is incorrect (missing XfcePanelPlugin *plugin first parameter, so the unref isn't done on the correct object, yay).

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: xfce4-cellmodem-plugin 0.0.5.dfsg-2ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-16.25-generic 3.2.6
Uname: Linux 3.2.0-16-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Fri Feb 17 17:11:13 2012
ExecutablePath: /usr/lib/xfce4/panel-plugins/xfce4-cellmodem-plugin
InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120201.1)
ProcCmdline: /usr/lib/xfce4/panel-plugins/xfce4-cellmodem-plugin 31 29361936 cellmodem Cellular\ Modem\ Monitor Monitor\ line\ quality\ and\ type\ of\ Cellular\ Modems
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f953c8e29f2 <g_object_unref+18>: mov (%rdi),%rax
 PC (0x7f953c8e29f2) ok
 source "(%rdi)" (0x00000003) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: xfce4-cellmodem-plugin
Stacktrace:
 #0 0x00007f953c8e29f2 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #1 0x00007f953df3a412 in _start ()
 No symbol table info available.
StacktraceTop:
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 _start ()
Title: xfce4-cellmodem-plugin crashed with SIGSEGV in g_object_unref()
UpgradeStatus: Upgraded to precise on 2012-02-10 (7 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_object_unref (_object=0x3) at /build/buildd/glib2.0-2.31.16/./gobject/gobject.c:2900
 _start ()

[Lionel Le Folgoc (mrpouit)]

Already upstream, as https://bugzilla.xfce.org/show_bug.cgi?id=6747 (patch attached there). I'll upload later tonight.

[Launchpad Janitor (janitor)]

This bug was fixed in the package xfce4-cellmodem-plugin - 0.0.5.dfsg-2ubuntu2

---------------
xfce4-cellmodem-plugin (0.0.5.dfsg-2ubuntu2) precise; urgency=low

  * debian/patches:
    - 03_fix-crash-on-remove.patch: fix incorrect callback signature, should
      prevent the plugin from crashing on remove. lp: #934307
 -- Lionel Le Folgoc <email address hidden> Tue, 06 Mar 2012 00:05:17 +0100