Bug 358219

Summary: Chrash on openstreetmap.org
Product: [Unmaintained] rekonq Reporter: Carioca <h6zb8-kdebugs20120801>
Component: generalAssignee: Andrea Diamantini <adjam7>
Status: RESOLVED UNMAINTAINED    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 2.4.2   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Carioca 2016-01-19 18:20:10 UTC 
Application: rekonq (2.4.2)
KDE Platform Version: 4.14.13
Qt Version: 4.8.6
Operating System: Linux 4.2.0-23-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
On http://www.openstreetmap.org/, when I drag the end point for a route on the map, it crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f129d8f7840 (LWP 4288))]

Thread 6 (Thread 0x7f1283f6b700 (LWP 4289)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f129c5f78cd in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f129d08a6b4 <WTF::pageheap_memory+57556>) at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/FastMalloc.cpp:2575
#2  0x00007f129c5f7929 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f129d08a6b4 <WTF::pageheap_memory+57556>) at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/FastMalloc.cpp:1771
#3  0x00007f1293dce6aa in start_thread (arg=0x7f1283f6b700) at pthread_create.c:333
#4  0x00007f129d1a6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f1241d6f700 (LWP 4291)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f129c319ca1 in JSC::BlockAllocator::blockFreeingThreadMain (this=0x7f12836e0398) at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/JavaScriptCore/heap/BlockAllocator.cpp:128
#2  0x00007f129c62a066 in WTF::wtfThreadEntryPoint (param=0x198ee80) at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/ThreadingPthreads.cpp:196
#3  0x00007f1293dce6aa in start_thread (arg=0x7f1241d6f700) at pthread_create.c:333
#4  0x00007f129d1a6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f123bfff700 (LWP 4292)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f129ba128d4 in WebCore::IconDatabase::syncThreadMainLoop() () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#2  0x00007f129ba12b19 in WebCore::IconDatabase::iconDatabaseSyncThread() () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#3  0x00007f129c62a066 in WTF::wtfThreadEntryPoint (param=0x1a41200) at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/ThreadingPthreads.cpp:196
#4  0x00007f1293dce6aa in start_thread (arg=0x7f123bfff700) at pthread_create.c:333
#5  0x00007f129d1a6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f123b7fe700 (LWP 4293)):
#0  0x00007f1294b18884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1294ad3800 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1294ad411b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1294ad42fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f129755420e in QEventDispatcherGlib::processEvents (this=0x7f12280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0x00007f12975220d1 in QEventLoop::processEvents (this=this@entry=0x7f123b7fdd90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f1297522445 in QEventLoop::exec (this=this@entry=0x7f123b7fdd90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f12974114f9 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:538
#8  0x00007f1297413d1c in QThreadPrivate::start (arg=0x16fc600) at thread/qthread_unix.cpp:349
#9  0x00007f1293dce6aa in start_thread (arg=0x7f123b7fe700) at pthread_create.c:333
#10 0x00007f129d1a6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f123a381700 (LWP 4294)):
#0  0x00007f1294b18884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1294ad3baa in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1294ad4190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1294ad42fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f129755420e in QEventDispatcherGlib::processEvents (this=0x7f122c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0x00007f12975220d1 in QEventLoop::processEvents (this=this@entry=0x7f123a380d40, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f1297522445 in QEventLoop::exec (this=this@entry=0x7f123a380d40, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f12974114f9 in QThread::exec (this=this@entry=0x1973280) at thread/qthread.cpp:538
#8  0x00007f1297502133 in QInotifyFileSystemWatcherEngine::run (this=0x1973280) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f1297413d1c in QThreadPrivate::start (arg=0x1973280) at thread/qthread_unix.cpp:349
#10 0x00007f1293dce6aa in start_thread (arg=0x7f123a381700) at pthread_create.c:333
#11 0x00007f129d1a6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f129d8f7840 (LWP 4288)):
[KCrash Handler]
#6  0x00007f129829282d in QPixmap::hasAlpha (this=0xa53ba90) at image/qpixmap.cpp:1836
#7  0x00007f129b991766 in WebCore::BitmapImage::draw(WebCore::GraphicsContext*, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::ColorSpace, WebCore::CompositeOperator) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#8  0x00007f129b6db590 in WebCore::GraphicsContext::drawImage(WebCore::Image*, WebCore::ColorSpace, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::CompositeOperator, WebCore::RespectImageOrientationEnum, bool) [clone .part.26] [clone .constprop.68] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#9  0x00007f129b6dbfab in WebCore::GraphicsContext::drawImage(WebCore::Image*, WebCore::ColorSpace, WebCore::IntRect const&, WebCore::IntRect const&, WebCore::CompositeOperator, WebCore::RespectImageOrientationEnum, bool) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#10 0x00007f129b99c169 in WebCore::BitmapTextureImageBuffer::updateContents(WebCore::Image*, WebCore::IntRect const&, WebCore::IntPoint const&, WebCore::BitmapTexture::UpdateContentsFlag) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#11 0x00007f129b99acb3 in WebCore::TextureMapperTile::updateContents(WebCore::TextureMapper*, WebCore::Image*, WebCore::IntRect const&, WebCore::BitmapTexture::UpdateContentsFlag) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#12 0x00007f129b99bb80 in WebCore::TextureMapperTiledBackingStore::updateContents(WebCore::TextureMapper*, WebCore::Image*, WebCore::FloatSize const&, WebCore::IntRect const&, WebCore::BitmapTexture::UpdateContentsFlag) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#13 0x00007f129b99bc5b in WebCore::TextureMapperTiledBackingStore::updateContentsFromImageIfNeeded(WebCore::TextureMapper*) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#14 0x00007f129b99bcef in WebCore::TextureMapperTiledBackingStore::paintToTextureMapper(WebCore::TextureMapper*, WebCore::FloatRect const&, WebCore::TransformationMatrix const&, float, WebCore::BitmapTexture*) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#15 0x00007f129b99e4a5 in WebCore::TextureMapperLayer::paintSelf(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#16 0x00007f129b99f2e1 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#17 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#18 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#19 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#20 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#21 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#22 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#23 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#24 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#25 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#26 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#27 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#28 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#29 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#30 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#31 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#32 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#33 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#34 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#35 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#36 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#37 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#38 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#39 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#40 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#41 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#42 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#43 0x00007f129b99f267 in WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&) [clone .part.55] [clone .constprop.82] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#44 0x00007f129b99f550 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#45 0x00007f129b99eb68 in WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#46 0x00007f129b99f020 in WebCore::TextureMapperLayer::paint() () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#47 0x00007f129af94a0c in QWebFramePrivate::renderCompositedLayers(WebCore::GraphicsContext*, WebCore::IntRect const&) [clone .part.57] () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#48 0x00007f129af97d99 in QWebFramePrivate::renderRelativeCoords(WebCore::GraphicsContext*, QFlags<QWebFrame::RenderLayer>, QRegion const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#49 0x00007f129af97fb7 in QWebFrame::render(QPainter*, QRegion const&) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#50 0x00007f129afb6a00 in QWebView::paintEvent(QPaintEvent*) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#51 0x00007f129d568362 in WebView::paintEvent (this=0x18f9140, event=<optimized out>) at /build/buildd/rekonq-2.4.2/src/webtab/webview.cpp:752
#52 0x00007f1298209e20 in QWidget::event (this=0x18f9140, event=0x7ffdd3d16580) at kernel/qwidget.cpp:8775
#53 0x00007f129afb7897 in QWebView::event(QEvent*) () at /build/qtwebkit-source-HZiiC7/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#54 0x00007f12981b5cdc in QApplicationPrivate::notify_helper (this=this@entry=0x16ff4e0, receiver=receiver@entry=0x18f9140, e=e@entry=0x7ffdd3d16580) at kernel/qapplication.cpp:4570
#55 0x00007f12981bcc16 in QApplication::notify (this=this@entry=0x7ffdd3d17030, receiver=receiver@entry=0x18f9140, e=e@entry=0x7ffdd3d16580) at kernel/qapplication.cpp:4356
#56 0x00007f129a549a2a in KApplication::notify (this=0x7ffdd3d17030, receiver=0x18f9140, event=0x7ffdd3d16580) at ../../kdeui/kernel/kapplication.cpp:311
#57 0x00007f129752385d in QCoreApplication::notifyInternal (this=0x7ffdd3d17030, receiver=receiver@entry=0x18f9140, event=event@entry=0x7ffdd3d16580) at kernel/qcoreapplication.cpp:955
#58 0x00007f1298204477 in QCoreApplication::sendSpontaneousEvent (event=0x7ffdd3d16580, receiver=0x18f9140) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#59 QWidgetPrivate::drawWidget (this=this@entry=0x18fa590, pdev=0x191c9c0, rgn=..., offset=..., flags=68, flags@entry=-741251456, sharedPainter=sharedPainter@entry=0x0, backingStore=0x19dd470) at kernel/qwidget.cpp:5599
#60 0x00007f12983d8a18 in QWidgetBackingStore::sync (this=0x19dd470) at painting/qbackingstore.cpp:1365
#61 0x00007f12981f7180 in QWidgetPrivate::syncBackingStore (this=0x18e8ed0) at kernel/qwidget.cpp:1894
#62 0x00007f1298209f08 in QWidget::event (this=0x18c48d0, event=0x1d13cf0) at kernel/qwidget.cpp:8693
#63 0x00007f12981b5cdc in QApplicationPrivate::notify_helper (this=this@entry=0x16ff4e0, receiver=receiver@entry=0x18c48d0, e=e@entry=0x1d13cf0) at kernel/qapplication.cpp:4570
#64 0x00007f12981bcc16 in QApplication::notify (this=this@entry=0x7ffdd3d17030, receiver=receiver@entry=0x18c48d0, e=e@entry=0x1d13cf0) at kernel/qapplication.cpp:4356
#65 0x00007f129a549a2a in KApplication::notify (this=0x7ffdd3d17030, receiver=0x18c48d0, event=0x1d13cf0) at ../../kdeui/kernel/kapplication.cpp:311
#66 0x00007f129752385d in QCoreApplication::notifyInternal (this=0x7ffdd3d17030, receiver=receiver@entry=0x18c48d0, event=event@entry=0x1d13cf0) at kernel/qcoreapplication.cpp:955
#67 0x00007f1297527316 in QCoreApplication::sendEvent (event=0x1d13cf0, receiver=0x18c48d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#68 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x16bd620) at kernel/qcoreapplication.cpp:1579
#69 0x00007f12975275f3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472
#70 0x00007f129755407e in QCoreApplication::sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#71 postEventSourceDispatch (s=0x16ebc30) at kernel/qeventdispatcher_glib.cpp:300
#72 0x00007f1294ad3ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#73 0x00007f1294ad4250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#74 0x00007f1294ad42fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007f12975541ee in QEventDispatcherGlib::processEvents (this=0x16bef30, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#76 0x00007f1298260c26 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#77 0x00007f12975220d1 in QEventLoop::processEvents (this=this@entry=0x7ffdd3d16f20, flags=...) at kernel/qeventloop.cpp:149
#78 0x00007f1297522445 in QEventLoop::exec (this=this@entry=0x7ffdd3d16f20, flags=...) at kernel/qeventloop.cpp:204
#79 0x00007f1297528429 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#80 0x00007f12981b3f2c in QApplication::exec () at kernel/qapplication.cpp:3828
#81 0x00007f129d587b1d in kdemain (argc=1, argv=0x7ffdd3d17188) at /build/buildd/rekonq-2.4.2/src/main.cpp:242
#82 0x00007f129d0c0a40 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=1, argv=0x7ffdd3d17188, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdd3d17178) at libc-start.c:289
#83 0x00000000004006fe in _start ()

Reported using DrKonqi
Comment 1 Nate Graham 2018-05-11 16:21:23 UTC 
Development on Rekonq ceased four years ago, and it has been unmaintained since then. KDE recommends using Falkon instead.