compiz crashed with SIGSEGV in malloc_consolidate()

[corrado venturini]

i entered 'unity' command on terminal trying to reproduce problem #1555633

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: compiz-core 1:0.9.12.2+16.04.20160209-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-13.29-generic 4.4.5
Uname: Linux 4.4.0-13-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 304.131 Sun Nov 8 21:43:33 PST 2015
 GCC version: gcc version 5.3.1 20160311 (Ubuntu 5.3.1-11ubuntu1)
.tmp.unity.support.test.0:

ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CrashCounter: 1
CurrentDesktop: Unity
Date: Sun Mar 13 07:58:02 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
 nvidia-304, 304.131, 4.4.0-10-generic, x86_64: installed
 nvidia-304, 304.131, 4.4.0-12-generic, x86_64: installed
 nvidia-304, 304.131, 4.4.0-13-generic, x86_64: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. [MSI] N210 [Geforce 210] PCIe graphics adapter [1462:8094]
InstallationDate: Installed on 2016-03-12 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-13-generic root=UUID=b907b06c-b3ad-4544-b8f5-73abdcce5aba ro quiet splash
Signal: 11
SourcePackage: compiz
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fbb50eccc00 <main_arena>) at malloc.c:4136
 _int_free (av=0x7fbb50eccc00 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4042
 __GI___libc_free (mem=<optimized out>) at malloc.c:2950
 ?? () from /usr/lib/nvidia-304/libGL.so.1
 ?? () from /usr/lib/nvidia-304/libnvidia-glcore.so.304.131
Title: compiz crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 12/11/2006
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.30
dmi.board.name: 4CoreDual-VSTA
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd12/11/2006:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvn:rn4CoreDual-VSTA:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.12.2+16.04.20160209-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.18.1-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160218-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Sun Mar 13 07:52:47 2016
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech USB-PS/2 Optical Mouse MOUSE, id 8
 input AT Translated Set 2 keyboard KEYBOARD, id 9
xserver.errors: open /dev/fb0: No such file or directory
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.18.1-1ubuntu4

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fbb50eccc00 <main_arena>) at malloc.c:4136
 _int_free (av=0x7fbb50eccc00 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4042
 __GI___libc_free (mem=<optimized out>) at malloc.c:2950
 ?? () from /tmp/apport_sandbox_I1VsEg/usr/lib/nvidia-304/libGL.so.1
 ?? () from /tmp/apport_sandbox_I1VsEg/usr/lib/nvidia-304/libnvidia-glcore.so.304.131

[Marco Schmidt (kunzol)]

I got the same crash (compiz crashed with SIGSEGV in malloc_consolidate()) after changing the x-cursor-theme on "Ubuntu 16.04 LTS".

[Launchpad Janitor (janitor)]

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