[okular] [Bug 411130] Searching CHM files crashes Okular

Wed Aug 21 08:50:13 BST 2019

https://bugs.kde.org/show_bug.cgi?id=411130

--- Comment #2 from Enmk <v.nemkov at gmail.com> ---
Backtrace of doing the same in '100%' zoom mode:

Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff1480c8200 (LWP 444))]

Thread 7 (Thread 0x7ff112ffd700 (LWP 498)):
#0  0x00007ff140ad4ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7ff112ffcbe0, expected=0, futex_word=0x56105d01db94) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7ff112ffcca0, mutex=0x56105d01db40,
cond=0x56105d01db68) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x56105d01db68, mutex=0x56105d01db40,
abstime=0x7ff112ffcca0) at pthread_cond_wait.c:667
#3  0x00007ff14443ed36 in QWaitConditionPrivate::wait_relative
(this=0x56105d01db40, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x56105d01db40) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=<optimized out>, mutex=0x56105c166e60,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ff14443f096 in QWaitCondition::wait (this=this at entry=0x56105b73dce0,
mutex=mutex at entry=0x56105c166e60, time=<optimized out>) at
thread/qwaitcondition_unix.cpp:209
#7  0x00007ff14443c740 in QThreadPoolThread::run (this=0x56105b73dcd0) at
thread/qthreadpool.cpp:139
#8  0x00007ff144437c72 in QThreadPrivate::start (arg=0x56105b73dcd0) at
thread/qthread_unix.cpp:361
#9  0x00007ff140ace6db in start_thread (arg=0x7ff112ffd700) at
pthread_create.c:463
#10 0x00007ff143d3788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7ff113fff700 (LWP 497)):
#0  0x00007ff140ad4ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7ff113ffebe0, expected=0, futex_word=0x56105b079d14) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7ff113ffeca0, mutex=0x56105b079cc0,
cond=0x56105b079ce8) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x56105b079ce8, mutex=0x56105b079cc0,
abstime=0x7ff113ffeca0) at pthread_cond_wait.c:667
#3  0x00007ff14443ed36 in QWaitConditionPrivate::wait_relative
(this=0x56105b079cc0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x56105b079cc0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=<optimized out>, mutex=0x56105c166e60,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ff14443f096 in QWaitCondition::wait (this=this at entry=0x56105b777ec0,
mutex=mutex at entry=0x56105c166e60, time=<optimized out>) at
thread/qwaitcondition_unix.cpp:209
#7  0x00007ff14443c740 in QThreadPoolThread::run (this=0x56105b777eb0) at
thread/qthreadpool.cpp:139
#8  0x00007ff144437c72 in QThreadPrivate::start (arg=0x56105b777eb0) at
thread/qthread_unix.cpp:361
#9  0x00007ff140ace6db in start_thread (arg=0x7ff113fff700) at
pthread_create.c:463
#10 0x00007ff143d3788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7ff1137fe700 (LWP 496)):
#0  0x00007ff140ad4ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7ff1137fdbe0, expected=0, futex_word=0x56105c175734) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7ff1137fdca0, mutex=0x56105c1756e0,
cond=0x56105c175708) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x56105c175708, mutex=0x56105c1756e0,
abstime=0x7ff1137fdca0) at pthread_cond_wait.c:667
#3  0x00007ff14443ed36 in QWaitConditionPrivate::wait_relative
(this=0x56105c1756e0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x56105c1756e0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=<optimized out>, mutex=0x56105c166e60,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ff14443f096 in QWaitCondition::wait (this=this at entry=0x56105c1d11e0,
mutex=mutex at entry=0x56105c166e60, time=<optimized out>) at
thread/qwaitcondition_unix.cpp:209
#7  0x00007ff14443c740 in QThreadPoolThread::run (this=0x56105c1d11d0) at
thread/qthreadpool.cpp:139
#8  0x00007ff144437c72 in QThreadPrivate::start (arg=0x56105c1d11d0) at
thread/qthread_unix.cpp:361
#9  0x00007ff140ace6db in start_thread (arg=0x7ff1137fe700) at
pthread_create.c:463
#10 0x00007ff143d3788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff11baed700 (LWP 449)):
#0  0x00007ff140ad49f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x561059d53b98) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561059d53b48,
cond=0x561059d53b70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561059d53b70, mutex=0x561059d53b48) at
pthread_cond_wait.c:655
#3  0x00007ff11c6d00aa in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007ff11c6cfdd7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007ff140ace6db in start_thread (arg=0x7ff11baed700) at
pthread_create.c:463
#6  0x00007ff143d3788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff12d6a4700 (LWP 448)):
#0  0x00007ff143d2abf9 in __GI___poll (fds=0x7ff128004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff13e79c5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff13e79c6dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff14466ddcb in QEventDispatcherGlib::processEvents
(this=0x7ff128000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007ff14460f03a in QEventLoop::exec (this=this at entry=0x7ff12d6a3d70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#5  0x00007ff1444364ca in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007ff144adc015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007ff144437c72 in QThreadPrivate::start (arg=0x7ff144d53d80) at
thread/qthread_unix.cpp:361
#8  0x00007ff140ace6db in start_thread (arg=0x7ff12d6a4700) at
pthread_create.c:463
#9  0x00007ff143d3788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff13630a700 (LWP 447)):
#0  0x00007ff143d2abf9 in __GI___poll (fds=0x7ff136309ca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff141550747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff14155236a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff1390f1578 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ff144437c72 in QThreadPrivate::start (arg=0x561059aaf110) at
thread/qthread_unix.cpp:361
#5  0x00007ff140ace6db in start_thread (arg=0x7ff13630a700) at
pthread_create.c:463
#6  0x00007ff143d3788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff1480c8200 (LWP 444)):
[KCrash Handler]
#6  QObject::parent (this=0x56105c264ae0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:408
#7  QWidget::parentWidget (this=0x56105c264ae0) at
../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:860
#8  QWidget::window (this=0x56105c264ae0) at kernel/qwidget.cpp:4329
#9  0x00007ff1456d8e4c in QWidgetPrivate::sharedPainter (this=0x56105b23d0b0)
at
../../include/QtWidgets/5.12.3/QtWidgets/private/../../../../../src/widgets/kernel/qwidget_p.h:985
#10 QWidget::render (this=this at entry=0x56105c264ae0,
painter=painter at entry=0x7fff0d8bb150, targetOffset=..., sourceRegion=...,
renderFlags=renderFlags at entry=...) at kernel/qwidget.cpp:5185
#11 0x00007ff1456d995b in QWidget::render (this=this at entry=0x56105c264ae0,
target=target at entry=0x56105b61d890, targetOffset=..., sourceRegion=...,
renderFlags=..., renderFlags at entry=...) at kernel/qwidget.cpp:5126
#12 0x00007ff11a579e42 in copyWidget (r=..., p=p at entry=0x7fff0d8bb7d8,
widget=widget at entry=0x56105c264ae0, tx=tx at entry=20, ty=ty at entry=6112,
buffer=0x56105b61d890, buffered=true) at
./src/rendering/render_replaced.cpp:744
#13 0x00007ff11a57a371 in khtml::RenderWidget::paintWidget (pI=...,
widget=0x56105c264ae0, tx=20, ty=6112, buffer=buffer at entry=0x56105aeb1b20) at
./src/rendering/render_replaced.cpp:818
#14 0x00007ff11a558787 in khtml::RenderLayer::paintScrollbars
(this=this at entry=0x56105aeb1ac0, pI=...) at
./src/rendering/render_layer.cpp:1082
#15 0x00007ff11a55d5a8 in khtml::RenderLayer::paintLayer (this=0x56105aeb1ac0,
rootLayer=rootLayer at entry=0x56105ad21cb0, p=<optimized out>,
paintDirtyRect=..., selectionOnly=selectionOnly at entry=false) at
./src/rendering/render_layer.cpp:1179
#16 0x00007ff11a55d0b6 in khtml::RenderLayer::paintLayer (this=0x56105ad21e30,
rootLayer=rootLayer at entry=0x56105ad21cb0, p=<optimized out>,
paintDirtyRect=..., selectionOnly=selectionOnly at entry=false) at
./src/rendering/render_layer.cpp:1231
#17 0x00007ff11a55d14b in khtml::RenderLayer::paintLayer
(this=this at entry=0x56105ad21cb0, rootLayer=rootLayer at entry=0x56105ad21cb0,
p=<optimized out>, p at entry=0x7fff0d8bb7d8, paintDirtyRect=...,
selectionOnly=selectionOnly at entry=false) at
./src/rendering/render_layer.cpp:1238
#18 0x00007ff11a55d7e2 in khtml::RenderLayer::paint
(this=this at entry=0x56105ad21cb0, p=p at entry=0x7fff0d8bb7d8, damageRect=...,
selectionOnly=selectionOnly at entry=false) at
./src/rendering/render_layer.cpp:1098
#19 0x00007ff11a3dd719 in KHTMLView::paint (this=0x56105ac18550,
p=0x7fff0d8bb7d8, rc=..., yOff=0, more=0x7fff0d8bb7d7) at
./src/khtmlview.cpp:3381
#20 0x00007ff11b099a4c in CHMGenerator::slotCompleted (this=0x56105a0fd250) at
./generators/chm/generator_chm.cpp:205
#21 0x00007ff144640875 in QMetaObject::activate (sender=0x56105abc0da0,
signalOffset=<optimized out>, local_signal_index=<optimized out>,
argv=<optimized out>) at kernel/qobject.cpp:3795
#22 0x00007ff11a3e21f5 in KHTMLView::timerEvent (this=0x56105ac18550,
e=<optimized out>) at ./src/khtmlview.cpp:4252
#23 0x00007ff14464139b in QObject::event (this=this at entry=0x56105ac18550,
e=e at entry=0x7fff0d8bbf90) at kernel/qobject.cpp:1282
#24 0x00007ff1456dc0db in QWidget::event (this=this at entry=0x56105ac18550,
event=event at entry=0x7fff0d8bbf90) at kernel/qwidget.cpp:9388
#25 0x00007ff14577e7ee in QFrame::event (this=this at entry=0x56105ac18550,
e=e at entry=0x7fff0d8bbf90) at widgets/qframe.cpp:550
#26 0x00007ff145781523 in QAbstractScrollArea::event (this=0x56105ac18550,
e=0x7fff0d8bbf90) at widgets/qabstractscrollarea.cpp:1168
#27 0x00007ff11a3e3acf in KHTMLView::event (this=0x56105ac18550,
e=0x7fff0d8bbf90) at ./src/khtmlview.cpp:558
#28 0x00007ff14569b65c in QApplicationPrivate::notify_helper
(this=this at entry=0x561059a8e0f0, receiver=receiver at entry=0x56105ac18550,
e=e at entry=0x7fff0d8bbf90) at kernel/qapplication.cpp:3736
#29 0x00007ff1456a2b90 in QApplication::notify (this=0x7fff0d8bc2c0,
receiver=0x56105ac18550, e=0x7fff0d8bbf90) at kernel/qapplication.cpp:3483
#30 0x00007ff144610d18 in QCoreApplication::notifyInternal2
(receiver=0x56105ac18550, event=0x7fff0d8bbf90) at
kernel/qcoreapplication.cpp:1060
#31 0x00007ff14466d219 in QTimerInfoList::activateTimers (this=0x561059aeb420)
at kernel/qtimerinfo_unix.cpp:643
#32 0x00007ff14466d9e1 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:182
#33 0x00007ff13e79c417 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ff13e79c650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ff13e79c6dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ff14466ddaf in QEventDispatcherGlib::processEvents
(this=0x561059afa0a0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007ff14460f03a in QEventLoop::exec (this=this at entry=0x7fff0d8bc1e0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#38 0x00007ff144618170 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1363
#39 0x0000561057c4e8f7 in main (argc=<optimized out>, argv=<optimized out>) at
./shell/main.cpp:90

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