compiz crashed with SIGSEGV in malloc_consolidate()

Bug #1668686 reported by Adolfo Jayme on 2017-02-28
This bug affects 2 people
Affects Status Importance Assigned to Milestone
compiz (Ubuntu)

Bug Description

I made it crash when attempting to restart Unity with Alt+F2 and executing “unity”. X got killed as well and I was thrown out of my session, losing work. Moments before, I connected to an external classroom screen for a presentation.

ProblemType: Crash
DistroRelease: Ubuntu 17.04
Package: compiz-core 1:
ProcVersionSignature: Ubuntu 4.10.0-8.10-generic 4.10.0-rc8
Uname: Linux 4.10.0-8-generic x86_64

ApportVersion: 2.20.4-0ubuntu2
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
CurrentDesktop: Unity:Unity7
Date: Tue Feb 28 09:18:13 2017
DistUpgraded: Fresh install
DistroCodename: zesty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
 Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0c) (prog-if 00 [VGA controller])
   Subsystem: Toshiba America Info Systems Atom Processor Z36xxx/Z37xxx Series Graphics & Display [1179:f910]
InstallationDate: Installed on 2017-01-29 (29 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Alpha amd64 (20170118)
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub
 Bus 001 Device 002: ID 04f2:b446 Chicony Electronics Co., Ltd
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: TOSHIBA Satellite C55-B
ProcCmdline: /usr/bin/compiz
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-8-generic.efi.signed root=UUID=9a234aad-f287-4fa4-bd57-596f51120a52 ro quiet splash vt.handoff=7
 Segfault happened at: 0x7fb574ce1e8b <malloc_consolidate+299>: mov 0x8(%r12),%r13
 PC (0x7fb574ce1e8b) ok
 source "0x8(%r12)" (0xd5ad086c8aa0) not located in a known VMA region (needed readable region)!
 destination "%r13" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
 malloc_consolidate (av=av@entry=0x7fb575022b00 <main_arena>) at malloc.c:4204
 _int_free (av=0x7fb575022b00 <main_arena>, p=0x55f793a4f210, have_lock=0) at malloc.c:4110
 __GI___libc_free (mem=<optimized out>) at malloc.c:2982
 ?? () from /usr/lib/x86_64-linux-gnu/
 trie_free () from /usr/lib/x86_64-linux-gnu/
Title: compiz crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo 07/23/2015
dmi.bios.vendor: TOSHIBA
dmi.bios.version: 5.00
dmi.board.asset.tag: * ZBWAA
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.asset.tag: *
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: *
dmi.modalias: dmi:bvnTOSHIBA:bvr5.00:bd07/23/2015:svnTOSHIBA:pnSatelliteC55-B:pvrPSCMLM-00MTM1:rvnTOSHIBA:rnZBWAA:rvr1.00:cvnTOSHIBA:ct10:cvr*: Satellite C55-B
dmi.product.version: PSCMLM-00MTM1
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.75-1
version.libgl1-mesa-dri: libgl1-mesa-dri 13.0.4-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 13.0.4-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.8.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160706-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.13-1
xserver.bootTime: Tue Feb 28 09:19:06 2017
xserver.configfile: default

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-1ubuntu9
xserver.video_driver: modeset

Adolfo Jayme (fitojb) wrote :

 malloc_consolidate (av=av@entry=0x7fb575022b00 <main_arena>) at malloc.c:4204
 _int_free (av=0x7fb575022b00 <main_arena>, p=0x55f793a4f210, have_lock=0) at malloc.c:4110
 __GI___libc_free (mem=<optimized out>) at malloc.c:2982
 da_free (d=0x55f7937c9ad0) at darray.c:275
 trie_free (trie=0x55f7913bf370) at trie.c:229

Changed in compiz (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
Adolfo Jayme (fitojb) on 2017-02-28
information type: Private → Public
Launchpad Janitor (janitor) wrote :

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

Changed in compiz (Ubuntu):
status: New → Confirmed
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