unity-2d-panel crashed with SIGSEGV in QPainter::drawTiledPixmap()

[Ken Pratt]

Buffer overun? I logged in and blamo.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-2d-panel 4.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Fri Sep 9 06:15:01 2011
ExecutablePath: /usr/bin/unity-2d-panel
ProcCmdline: unity-2d-panel
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f62d1eff955: movdqa %xmm1,(%rcx)
 PC (0x7f62d1eff955) ok
 source "%xmm1" ok
 destination "(%rcx)" (0x7f62d2b49000) in non-writable VMA region: 0x7f62d2b49000-0x7f62d2b64000 r--p /usr/share/glib-2.0/schemas/gschemas.compiled
SegvReason: writing VMA /usr/share/glib-2.0/schemas/gschemas.compiled
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 QPainter::drawTiledPixmap(QRectF const&, QPixmap const&, QPointF const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
Title: unity-2d-panel crashed with SIGSEGV in QPainter::drawTiledPixmap()
UpgradeStatus: Upgraded to oneiric on 2011-08-29 (10 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 _mm_store_si128 (__B=<optimized out>, __P=<optimized out>) at /usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.6.1/include/emmintrin.h:697
 comp_func_SourceOver_sse2 (destPixels=0x7f62d2b49000, srcPixels=0x21344d0, length=100, const_alpha=<optimized out>) at painting/qdrawhelper_sse2.cpp:156
 blend_tiled_generic<(SpanMethod)0> (count=<optimized out>, spans=0x7fffaad4b6f0, userData=0x21902e0) at painting/qdrawhelper.cpp:5255
 fillRect_normalized (r=<optimized out>, data=0x21902e0, pe=<optimized out>) at painting/qpaintengine_raster.cpp:1511
 QRasterPaintEngine::drawTiledPixmap (this=<optimized out>, r=..., pixmap=<optimized out>, sr=...) at painting/qpaintengine_raster.cpp:2864