compiz crashed with SIGSEGV in _int_malloc()

[Sascha]

Was searching for mail in unity, then it hungs for several seconds (20 secs maybe) and crashed.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity 7.1.2+14.04.20140220-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-6.23-generic 3.13.0
Uname: Linux 3.13.0-6-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
AssertionMessage: *** Error in `compiz': free(): corrupted unsorted chunks: 0x00007f8224d65f10 ***
CurrentDesktop: Unity
Date: Sat Feb 22 10:58:06 2014
ExecutablePath: /usr/bin/compiz
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f8267d42f11 <_int_malloc+689>: mov %r14,0x10(%r9)
 PC (0x7f8267d42f11) ok
 source "%r14" ok
 destination "0x10(%r9)" (0xffa1574c4cfa8488) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 _int_malloc (av=0x7f8224000020, bytes=56) at malloc.c:3446
 __GI___libc_malloc (bytes=56) at malloc.c:2855
 _dl_map_object_deps (map=map@entry=0x7f8268a5b000, preloads=preloads@entry=0x0, npreloads=npreloads@entry=0, trace_mode=trace_mode@entry=0, open_mode=open_mode@entry=-2147483648) at dl-deps.c:511
 dl_open_worker (a=a@entry=0x7f8219c0f778) at dl-open.c:272
 _dl_catch_error (objname=objname@entry=0x7f8219c0f768, errstring=errstring@entry=0x7f8219c0f770, mallocedp=mallocedp@entry=0x7f8219c0f760, operate=operate@entry=0x7f826886b880 <dl_open_worker>, args=args@entry=0x7f8219c0f778) at dl-error.c:177
Title: compiz crashed with SIGSEGV in _int_malloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom davfs2 dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 _int_malloc (av=0x7f8224000020, bytes=56) at malloc.c:3446
 __GI___libc_malloc (bytes=56) at malloc.c:2855
 ?? ()
 ?? ()
 ?? ()

[Launchpad Janitor (janitor)]

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

[Will Cooke (willcooke)]

As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix.
These types of crasher are better handled by errors.ubutnu.com which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes.
Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag "desktop-bugscrub-reopened". See https://wiki.ubuntu.com/BigDesktopBugScrub for more information.