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[Bug 956986] Re: compiz crashed with SIGSEGV when imgsvg is loaded, in getCompPluginVTable20090315_imgsvg() from dlloaderLoadPlugin() from CompPlugin::load()

To: compiz@xxxxxxxxxxxxxxxxxxx
From: Timo Jyrinki <timo.jyrinki@xxxxxxxxxxxxx>
Date: Tue, 13 Nov 2012 13:29:29 -0000
Reply-to: Bug 956986 <956986@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Description changed:

+ == Impact ==
+ 
+ Crash when disabling a plugin.
+ 
+ == Test case ==
+ 
  using ccsm, after disabling "session management", got this error.
+ 
+ == Regression potential ==
+ 
+ Very low, the commit is an additional dependency to a makefile.
+ 
  
  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: compiz-core 1:0.9.7.0+bzr3035-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
  Uname: Linux 3.2.0-18-generic-pae i686
  .tmp.unity.support.test.0:
-  
+ 
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  CompizPlugins: [core,composite,opengl,notification,maximumize,imgjpeg,compiztoolbox,decor,move,gnomecompat,wobbly,imgsvg,text,imgpng,workarounds,resize,kdecompat,cube,rotate,resizeinfo,unityshell,unitymtgrabhandles]
  CompositorRunning: compiz
  CrashCounter: 1
  Date: Fri Mar 16 10:53:28 2012
  Disassembly: => 0x75a6:	Cannot access memory at address 0x75a6
  DistUpgraded: Log time: 2012-03-03 15:54:54.478616
  DistroCodename: precise
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
-  Intel Corporation Mobile 945GSE Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
-    Subsystem: ASUSTeK Computer Inc. Device [1043:8340]
-    Subsystem: ASUSTeK Computer Inc. Device [1043:8340]
+  Intel Corporation Mobile 945GSE Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
+    Subsystem: ASUSTeK Computer Inc. Device [1043:8340]
+    Subsystem: ASUSTeK Computer Inc. Device [1043:8340]
  InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
  MachineType: ASUSTeK Computer INC. 1000H
  ProcCmdline: compiz
  ProcEnviron:
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae root=UUID=c214beb7-4177-4333-ace3-7e5d86fd3c91 ro splash vga=788 quiet splash security=selinux selinux=1 vt.handoff=7
  SegvAnalysis:
-  Segfault happened at: 0x75a6:	Cannot access memory at address 0x75a6
-  PC (0x000075a6) not located in a known VMA region (needed executable region)!
+  Segfault happened at: 0x75a6:	Cannot access memory at address 0x75a6
+  PC (0x000075a6) not located in a known VMA region (needed executable region)!
  SegvReason: executing NULL VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
-  ?? ()
-  getCompPluginVTable20090315_imgsvg () from /usr/lib/compiz/libimgsvg.so
-  ?? () from /usr/lib/libcompiz_core.so.ABI-20120228
-  CompPlugin::load(char const*) () from /usr/lib/libcompiz_core.so.ABI-20120228
-  compiz::private_screen::PluginManager::updatePlugins() () from /usr/lib/libcompiz_core.so.ABI-20120228
+  ?? ()
+  getCompPluginVTable20090315_imgsvg () from /usr/lib/compiz/libimgsvg.so
+  ?? () from /usr/lib/libcompiz_core.so.ABI-20120228
+  CompPlugin::load(char const*) () from /usr/lib/libcompiz_core.so.ABI-20120228
+  compiz::private_screen::PluginManager::updatePlugins() () from /usr/lib/libcompiz_core.so.ABI-20120228
  Title: compiz crashed with SIGSEGV in getCompPluginVTable20090315_imgsvg()
  UpgradeStatus: Upgraded to precise on 2012-03-05 (10 days ago)
  UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 02/18/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1701
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 1000H
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1701:bd02/18/2009:svnASUSTeKComputerINC.:pn1000H:pvrx.x:rvnASUSTeKComputerINC.:rn1000H:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: 1000H
  dmi.product.version: x.x
  dmi.sys.vendor: ASUSTeK Computer INC.
  version.compiz: compiz 1:0.9.7.0+bzr3035-0ubuntu1
  version.libdrm2: libdrm2 2.4.30-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu4
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

** Description changed:

- == Impact ==
+ [Impact]
  
  Crash when disabling a plugin.
  
- == Test case ==
+ [Test Case]
  
  using ccsm, after disabling "session management", got this error.
  
- == Regression potential ==
+ [Regression Potential]
  
  Very low, the commit is an additional dependency to a makefile.
- 
  
  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: compiz-core 1:0.9.7.0+bzr3035-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
  Uname: Linux 3.2.0-18-generic-pae i686
  .tmp.unity.support.test.0:
  
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  CompizPlugins: [core,composite,opengl,notification,maximumize,imgjpeg,compiztoolbox,decor,move,gnomecompat,wobbly,imgsvg,text,imgpng,workarounds,resize,kdecompat,cube,rotate,resizeinfo,unityshell,unitymtgrabhandles]
  CompositorRunning: compiz
  CrashCounter: 1
  Date: Fri Mar 16 10:53:28 2012
  Disassembly: => 0x75a6:	Cannot access memory at address 0x75a6
  DistUpgraded: Log time: 2012-03-03 15:54:54.478616
  DistroCodename: precise
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
   Intel Corporation Mobile 945GSE Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:8340]
     Subsystem: ASUSTeK Computer Inc. Device [1043:8340]
  InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
  MachineType: ASUSTeK Computer INC. 1000H
  ProcCmdline: compiz
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae root=UUID=c214beb7-4177-4333-ace3-7e5d86fd3c91 ro splash vga=788 quiet splash security=selinux selinux=1 vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x75a6:	Cannot access memory at address 0x75a6
   PC (0x000075a6) not located in a known VMA region (needed executable region)!
  SegvReason: executing NULL VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
   ?? ()
   getCompPluginVTable20090315_imgsvg () from /usr/lib/compiz/libimgsvg.so
   ?? () from /usr/lib/libcompiz_core.so.ABI-20120228
   CompPlugin::load(char const*) () from /usr/lib/libcompiz_core.so.ABI-20120228
   compiz::private_screen::PluginManager::updatePlugins() () from /usr/lib/libcompiz_core.so.ABI-20120228
  Title: compiz crashed with SIGSEGV in getCompPluginVTable20090315_imgsvg()
  UpgradeStatus: Upgraded to precise on 2012-03-05 (10 days ago)
  UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 02/18/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1701
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 1000H
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1701:bd02/18/2009:svnASUSTeKComputerINC.:pn1000H:pvrx.x:rvnASUSTeKComputerINC.:rn1000H:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: 1000H
  dmi.product.version: x.x
  dmi.sys.vendor: ASUSTeK Computer INC.
  version.compiz: compiz 1:0.9.7.0+bzr3035-0ubuntu1
  version.libdrm2: libdrm2 2.4.30-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu4
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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https://bugs.launchpad.net/bugs/956986

Title:
  compiz crashed with SIGSEGV when imgsvg is loaded, in
  getCompPluginVTable20090315_imgsvg() from dlloaderLoadPlugin() from
  CompPlugin::load()

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