Some memory corruption happens there. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffd8849700 (LWP 8809)] 0x00007fffdb5d9be9 in size (this=0x7fffd8847f70) at /usr/include/QtCore/qbitarray.h:67 67 inline int size() const { return (d.size() << 3) - *d.constData(); } (gdb) bt #0 0x00007fffdb5d9be9 in size (this=0x7fffd8847f70) at /usr/include/QtCore/qbitarray.h:67 #1 QBitArray::testBit (this=0x7fffd8847f70, i=3) at /usr/include/QtCore/qbitarray.h:119 #2 0x00007fffdb94a05a in KoCompositeOpBase<KoBgrU16Traits, KoCompositeOpGenericSC<KoBgrU16Traits, &(unsigned short cfSoftLight<unsigned short>(unsigned short, unsigned short))> >::composite (this=<optimized out>, params=...) at /home/devel/kde-src/calligra/libs/pigment/compositeops/KoCompositeOpBase.h:62 #3 0x00007ffff3f4e262 in KoColorSpace::bitBlt (this=0x4408d10, srcSpace=0x7fffa3733b40, params=..., op=0x91754c0, renderingIntent= KoColorConversionTransformation::IntentPerceptual, conversionFlags=...) at /home/devel/kde-src/calligra/libs/pigment/KoColorSpace.cpp:309 #4 0x00007ffff6b09740 in bitBltImpl<false> (srcHeight=448, srcWidth=448, srcY=64, srcX=64, srcDev=..., dstY=64, dstX=64, this=0x7fffd88484a0) at /home/devel/kde-src/calligra/krita/image/kis_painter.cc:602 #5 KisPainter::bitBlt (this=0x7fffd88484a0, dstX=<optimized out>, dstY=<optimized out>, srcDev=<optimized out>, srcX=<optimized out>, srcY=<optimized out>, srcWidth=448, srcHeight=448) at /home/devel/kde-src/calligra/krita/image/kis_painter.cc:624 #6 0x00007ffff6b09ccb in KisPainter::bitBlt (this=0x7fffd88484a0, pos=..., srcDev=<optimized out>, srcRect=<optimized out>) at /home/devel/kde-src/calligra/krita/image/kis_painter.cc:630 #7 0x00007ffff6be771c in KisAsyncMerger::compositeWithProjection (this=0x7a425f0, layer=..., rect=<optimized out>) at /home/devel/kde-src/calligra/krita/image/kis_async_merger.cpp:368 #8 0x00007ffff6be896c in KisAsyncMerger::startMerge (this=0x7a425f0, walker=..., notifyClones=true) at /home/devel/kde-src/calligra/krita/image/kis_async_merger.cpp:245 #9 0x00007ffff6ac36e6 in runMergeJob (this=0x7a425b0) at /home/devel/kde-build/calligra/krita/image/../../../../kde-src/calligra/krita/image/kis_update_job_item.h:77 #10 KisUpdateJobItem::run (this=0x7a425b0) at /home/devel/kde-build/calligra/krita/image/../../../../kde-src/calligra/krita/image/kis_update_job_item.h:58 #11 0x00007ffff0208e15 in QThreadPoolThread::run (this=0x7fff902f5350) at concurrent/qthreadpool.cpp:106 #12 0x00007ffff0214025 in QThreadPrivate::start (arg=0x7fff902f5350) at thread/qthread_unix.cpp:331 #13 0x00007fffeff83f05 in start_thread () from /lib64/libpthread.so.0 #14 0x00007fffef2f653d in clone () from /lib64/libc.so.6
The same happens on a clean build of 2.8. Upgrading to Grave.
Preliminary results of bisecting: Crashes: b0a4fcd58253a7e0819398b8daf3a06 Doesn't crash: 08a157054a16278b2ed877
The failing commit: c42aa8266818d05a6af24c719 The copy-constructor should be implemented for structures having pointers BUG:321935,320651
Git commit b937eec6868ef2924e48e39ebcb71a43cf648ef6 by Dmitry Kazakov. Committed on 30/12/2013 at 11:19. Pushed by dkazakov into branch 'master'. Fix memory corruption issue caused by memcpy'ing of a QBitArray M +13 -1 libs/pigment/KoCompositeOp.cpp http://commits.kde.org/calligra/b937eec6868ef2924e48e39ebcb71a43cf648ef6
Git commit 9aaa37daf671adfe3428dd13ea3f501c5afdac99 by Dmitry Kazakov. Committed on 30/12/2013 at 11:19. Pushed by dkazakov into branch 'calligra/2.8'. Fix memory corruption issue caused by memcpy'ing of a QBitArray M +13 -1 libs/pigment/KoCompositeOp.cpp http://commits.kde.org/calligra/9aaa37daf671adfe3428dd13ea3f501c5afdac99