pidgin crashed with SIGSEGV in malloc_consolidate()

Bug #955497 reported by soc on 2012-03-14
18
This bug affects 3 people
Affects Status Importance Assigned to Milestone
pidgin (Ubuntu)
Medium
Unassigned

Bug Description

1)
Description: Ubuntu precise (development branch)
Release: 12.04

2)
pidgin:
  Installiert: 1:2.10.1-1ubuntu2
  Kandidat: 1:2.10.1-1ubuntu2
  Versionstabelle:
 *** 1:2.10.1-1ubuntu2 0
        500 http://de.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
        100 /var/lib/dpkg/status

3) No crash.

4) Crashes randomly. I'm also experiencing crashes in other methods, not only "memalign".

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: pidgin 1:2.10.1-1ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Wed Mar 14 04:15:51 2012
ExecutablePath: /usr/bin/pidgin
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120223.1)
ProcCmdline: pidgin --session 23005e7e6-7e18-468d-bd27-76ddde682b19 --display :0.0
ProcEnviron:
 LANGUAGE=de:en
 LANG=de_DE.UTF-8
 SHELL=/bin/zsh
SegvAnalysis:
 Segfault happened at: 0x7f9fb2f58b28: mov 0x8(%r12),%r15
 PC (0x7f9fb2f58b28) ok
 source "0x8(%r12)" (0xff3f6becb0e0) not located in a known VMA region (needed readable region)!
 destination "%r15" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: pidgin
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 memalign () from /lib/x86_64-linux-gnu/libc.so.6
 posix_memalign () from /lib/x86_64-linux-gnu/libc.so.6
Title: pidgin crashed with SIGSEGV in memalign()
UpgradeStatus: Upgraded to precise on 2012-03-10 (4 days ago)
UserGroups: adm cdrom dialout dip fax floppy fuse lpadmin plugdev sambashare sudo tape video

soc (simon-ochsenreither) wrote :
visibility: private → public

StacktraceTop:
 malloc_consolidate (av=0x7f9fb3290720) at malloc.c:4240
 malloc_consolidate (av=0x7f9fb3290720) at malloc.c:4215
 _int_malloc (av=0x7f9fb3290720, bytes=8224) at malloc.c:3532
 _int_memalign (av=0x7f9fb3290720, alignment=4096, bytes=<optimized out>) at malloc.c:4492
 __GI___libc_memalign (alignment=4096, bytes=4080) at malloc.c:3102

Changed in pidgin (Ubuntu):
importance: Undecided → Medium
summary: - pidgin crashed with SIGSEGV in memalign()
+ pidgin crashed with SIGSEGV in malloc_consolidate()
tags: removed: need-amd64-retrace
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in pidgin (Ubuntu):
status: New → Confirmed
Blair Chasteen (darkstormyrain) wrote :

This might be the same bug. Happened as I was clicking on the google feeling lucky plugin.
All the other similar bugs were marked invalid.

dmesg gave me this
[ 9498.137664] show_signal_msg: 36 callbacks suppressed
[ 9498.137677] pidgin[4289]: segfault at 7fe300000019 ip 00007fe3620196e5 sp 00007fff99f398d0 error 4 in libc-2.15.so[7fe361f9b000+1b2000]

I'll attach a file with all my information (logs.txt)
If it happens again I have just downloaded the debug symbols and provide the results.
---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad

Blair Chasteen (darkstormyrain) wrote :

---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad

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