** Changed in: unity
Importance: Undecided => Medium
** Changed in: unity
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1245571
Title:
Compiz crashes when iconifying window with applied input mask
Status in Unity:
Triaged
Status in “compiz” package in Ubuntu:
Triaged
Status in “unity” package in Ubuntu:
Triaged
Bug description:
This crash happens for me always when I apply input mask to a window
and trying to iconify this window (even with alt+space menu)
I've attached a simplified test case which reproduces the issue
To run:
gcc main.c `pkg-config --cflags --libs gtk+-2.0` -o main && ./main
It uses gdk_window_input_shape_combine_region() to apply input mask,
but if you rewrite an app to use gtk_widget_input_shape_combine_mask()
or XShapeCombineMask() (with ShapeInput parameter) compiz will crash
as well.
Ubuntu 13.04
Compiz 0.9.9.0
What you expected to happen:
Successful iconification of a window
What happened instead:
compiz crashed
I am able to reproduce this issue on Ubuntu 13.04, 13.10. It works
fine for me on Ubuntu 12.04, I did not try 12.10.
ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: unity 7.0.0daily13.06.19~13.04-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-32.47-generic 3.8.13.10
Uname: Linux 3.8.0-32-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
CrashCounter: 1
Date: Mon Oct 28 20:11:36 2013
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2013-10-08 (20 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
ProcCmdline: compiz --replace
SegvAnalysis:
Segfault happened at: 0x7f900a1a2c2d: cmp 0x18(%rax),%r12
PC (0x7f900a1a2c2d) ok
source "0x18(%rax)" (0x0000004a) not located in a known VMA region (needed
readable region)!
destination "%r12" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
?? () from /lib/x86_64-linux-gnu/libc.so.6
?? () from /lib/x86_64-linux-gnu/libc.so.6
XFree () from /usr/lib/x86_64-linux-gnu/libX11.so.6
?? () from /usr/lib/compiz/libunityshell.so
unity::UnityWindow::UnityWindow(CompWindow*) () from
/usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in XFree()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
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