empathy crashed with SIGSEGV in _int_free()

Bug #945134 reported by Sarrvesh on 2012-03-02
This bug affects 3 people
Affects Status Importance Assigned to Milestone
empathy (Ubuntu)

Bug Description

Tried configuring empathy for my gmail id. I was able to enter my gmail username and password. When I pressed "continue", empathy crashed. When I restarted empathy, it logged into my gmail account and displayed all the contacts who were online. After about 2 seconds, it crashed once again.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: empathy 3.3.5-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic-pae 3.2.6
Uname: Linux 3.2.0-17-generic-pae i686
ApportVersion: 1.94-0ubuntu1
Architecture: i386
Date: Fri Mar 2 21:56:09 2012
ExecutablePath: /usr/bin/empathy
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcCmdline: empathy
 Segfault happened at: 0xb4f0360e: cmp 0xc(%eax),%ebp
 PC (0xb4f0360e) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%ebp" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: empathy
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_free () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libpango-1.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libpango-1.0.so.0
Title: empathy crashed with SIGSEGV in g_free()
UpgradeStatus: Upgraded to precise on 2012-03-02 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

Sarrvesh (sarrfriend) wrote :

 _int_free (av=0xb5030440, p=0xa4c49c8, have_lock=0) at malloc.c:4085
 standard_free (mem=0xa4c49d0) at /build/buildd/glib2.0-2.31.18/./glib/gmem.c:98
 g_free (mem=0xa4c49d0) at /build/buildd/glib2.0-2.31.18/./glib/gmem.c:252
 pango_layout_clear_lines (layout=0xa373b58) at /build/buildd/pango1.0-1.29.5/./pango/pango-layout.c:2799
 pango_layout_finalize (object=0xa373b58) at /build/buildd/pango1.0-1.29.5/./pango/pango-layout.c:231

Changed in empathy (Ubuntu):
importance: Undecided → Medium
summary: - empathy crashed with SIGSEGV in g_free()
+ empathy crashed with SIGSEGV in _int_free()
tags: removed: need-i386-retrace
Sarrvesh (sarrfriend) on 2012-03-02
description: updated
Bilal Shahid (s9iper1) wrote :

thanks for the bug report.
the stacktrace has enough info and we have debug symbols thats helps us to figure out the problem. so thanks again.
i am reporting this bug to upstream you subscribe to that and make comments.

visibility: private → public
Changed in empathy (Ubuntu):
status: New → Confirmed
Changed in empathy:
importance: Unknown → Critical
status: Unknown → Incomplete
Bilal Shahid (s9iper1) wrote :

Could you please reproduce in valgrind and attach the log?

Changed in empathy (Ubuntu):
status: Confirmed → Incomplete
Sarrvesh (sarrfriend) wrote :

Hi Bilal, I have never used Valgrind before. I tried installing vallgrind and ran the command "valgrind empathy". Valgrind then spewed out a huge list of things. Do you want to attach those things to this bug?

Bilal Shahid (s9iper1) wrote :
Sarrvesh (sarrfriend) wrote :

Hi Bilal,
   I have attached the log obtained through valgrind. Though empathy got killed, I am not sure if it was due to the same issue as this bug.

Changed in empathy:
status: Incomplete → Expired
Bilal Shahid (s9iper1) wrote :

please see the comment on upstream bug in which he has mentioned me tcomment 5 and answer him

Changed in empathy (Ubuntu):
status: Incomplete → Invalid
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