[okular] [Bug 410844] New: Okular segfault

Mon Aug 12 11:09:40 BST 2019

https://bugs.kde.org/show_bug.cgi?id=410844

            Bug ID: 410844
           Summary: Okular segfault
           Product: okular
           Version: 1.7.3
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: kristoffer.justad at gmail.com
  Target Milestone: ---

Application: okular (1.7.3)

Qt Version: 5.12.3
Frameworks Version: 5.61.0
Operating System: Linux 4.15.0-55-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
- What I was doing when the application crashed:

I tried opening a *.mobi file. However, Okular segfaults repeatedly.

The crash can be reproduced every time.

-- Backtrace:
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 0x7faa6ec5a200 (LWP 8541))]

Thread 4 (Thread 0x7faa42637700 (LWP 8544)):
#0  0x00007faa6765e9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x561c35ce2658) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561c35ce2608,
cond=0x561c35ce2630) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561c35ce2630, mutex=0x561c35ce2608) at
pthread_cond_wait.c:655
#3  0x00007faa4321a31a in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007faa4321a047 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007faa676586db in start_thread (arg=0x7faa42637700) at
pthread_create.c:463
#6  0x00007faa6a8c088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7faa54217700 (LWP 8543)):
#0  0x00007faa6a8b3c08 in __GI___poll (fds=0x7faa4c004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007faa653265c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007faa653266dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007faa6b1f6dcb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007faa6b19803a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007faa6afbf4ca in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007faa6b665015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007faa6afc0c72 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007faa676586db in start_thread (arg=0x7faa54217700) at
pthread_create.c:463
#9  0x00007faa6a8c088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7faa5ce43700 (LWP 8542)):
#0  0x00007faa6a8b3bf9 in __GI___poll (fds=0x7faa5ce42ca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007faa680d9747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007faa680db36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007faa5fc2a578 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007faa6afc0c72 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007faa676586db in start_thread (arg=0x7faa5ce43700) at
pthread_create.c:463
#6  0x00007faa6a8c088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7faa6ec5a200 (LWP 8541)):
[KCrash Handler]
#6  0x00007faa525bdf3f in std::__atomic_base<int>::load
(__m=std::memory_order_relaxed, this=0xc40c758) at
/usr/include/c++/7/bits/atomic_base.h:396
#7  QAtomicOps<int>::load<int> (_q_value=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:227
#8  QBasicAtomicInteger<int>::load (this=0xc40c758) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:103
#9  QtPrivate::RefCount::isShared (this=0xc40c758) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:101
#10 QLinkedList<Okular::ObjectRect*>::detach (this=0x7faa6b233be8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlinkedlist.h:106
#11 QLinkedList<Okular::ObjectRect*>::append (this=this at entry=0x7faa6b233be8,
t=@0x7ffd159660e0: 0x561c360e1730) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlinkedlist.h:394
#12 0x00007faa525c4398 in
Okular::TextDocumentGenerator::loadDocumentWithPassword (this=<optimized out>,
fileName=..., pagesVector=..., password=...) at
./core/textdocumentgenerator.cpp:342
#13 0x00007faa5259e0ba in Okular::DocumentPrivate::openDocumentInternal
(this=0x7faa58004e00, offer=..., isstdin=isstdin at entry=false, docFile=...,
filedata=..., password=...) at ./core/document.cpp:875
#14 0x00007faa5259e75d in Okular::Document::openDocument
(this=this at entry=0x561c35b59780, docFile=..., url=..., _mime=..., password=...)
at ./core/document.cpp:2446
#15 0x00007faa528cb6db in Okular::Part::doOpenFile
(this=this at entry=0x561c35b12550, mimeA=..., fileNameToOpenA=...,
isCompressedFile=isCompressedFile at entry=0x7ffd159665c7) at ./part.cpp:1415
#16 0x00007faa528cbd27 in Okular::Part::openFile (this=0x561c35b12550) at
./part.cpp:1549
#17 0x00007faa6e833a56 in KParts::ReadOnlyPartPrivate::openLocalFile
(this=this at entry=0x561c35b099d0) at ./src/readonlypart.cpp:190
#18 0x00007faa6e8348e1 in KParts::ReadOnlyPart::openUrl
(this=this at entry=0x561c35b12550, url=...) at ./src/readonlypart.cpp:153
#19 0x00007faa528bde06 in Okular::Part::openUrl (this=0x561c35b12550, _url=...,
swapInsteadOfOpening=<optimized out>) at ./part.cpp:1755
#20 0x0000561c34dd2ae2 in Shell::openUrl (this=this at entry=0x561c35ac8700,
url=..., serializedOptions=...) at ./shell/shell.cpp:280
#21 0x0000561c34dd2d72 in Shell::openDocument (this=this at entry=0x561c35ac8700,
url=..., serializedOptions=...) at ./shell/shell.cpp:221
#22 0x0000561c34dd2e16 in Shell::openDocument (this=this at entry=0x561c35ac8700,
url=..., serializedOptions=...) at ./shell/shell.cpp:208
#23 0x0000561c34dcc306 in Okular::main (paths=..., serializedOptions=...) at
./shell/okular_main.cpp:176
#24 0x0000561c34dcb955 in main (argc=<optimized out>, argv=<optimized out>) at
./shell/main.cpp:77

Possible duplicates by query: bug 410345, bug 409515, bug 409110, bug 408851,
bug 408818.

Reported using DrKonqi

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