[okular] [Bug 402397] New: Okular crashes while trying to re-open already deleted document at startup

[Matthias Heizmann]

https://bugs.kde.org/show_bug.cgi?id=402397

            Bug ID: 402397
           Summary: Okular crashes while trying to re-open already deleted
                    document at startup
           Product: okular
           Version: 1.5.3
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: matthias at heizmann.name
  Target Milestone: ---

Application: okular (1.5.3)
 (Compiled from sources)
Qt Version: 5.11.1
Frameworks Version: 5.52.0
Operating System: Linux 4.15.15-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
At startup the desktop environment tries to re-open all documents that were
opened when I logged out from the desktop environent (good).
This includes pdfs that firefox downloaded and saved to /tmp.
However after a reboot these documents are gone (good).
Now Okular should show an error that the document does not exist, instead
Okular crashes with a segfault (bad)

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa9eb310280 (LWP 4725))]

Thread 3 (Thread 0x7fa9c35f0700 (LWP 4732)):
#0  0x00007fa9e435057c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa9c3d97f0b in util_queue_thread_func () from
/usr/lib64/dri/i965_dri.so
#2  0x00007fa9c3d97c37 in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007fa9e434996a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa9e70e31af in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fa9ce981700 (LWP 4730)):
#0  0x00007fa9e70d2cd0 in read () from /lib64/libc.so.6
#1  0x00007fa9e2064440 in g_wakeup_acknowledge () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007fa9e201fa37 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa9e201fef0 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007fa9e202005c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007fa9e7a3aaeb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#6  0x00007fa9e79e6a4a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007fa9e7848bda in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007fa9e7e73de5 in QDBusConnectionManager::run() () from
/usr/lib64/libQt5DBus.so.5
#9  0x00007fa9e785263f in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#10 0x00007fa9e434996a in start_thread () from /lib64/libpthread.so.0
#11 0x00007fa9e70e31af in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fa9eb310280 (LWP 4725)):
[KCrash Handler]
#6  0x00007fa9e7854626 in qstrcmp(QByteArray const&, QByteArray const&) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007fa9e95269ed in QMapData<KEntryKey, KEntry>::findNode(KEntryKey
const&) const () from /usr/lib64/libKF5ConfigCore.so.5
#8  0x00007fa9e952bcab in KEntryMap::findEntry(QByteArray const&, QByteArray
const&, QFlags<KEntryMap::SearchFlag>) const () from
/usr/lib64/libKF5ConfigCore.so.5
#9  0x00007fa9e95202f7 in KConfigPrivate::lookupData(QByteArray const&, char
const*, QFlags<KEntryMap::SearchFlag>) const () from
/usr/lib64/libKF5ConfigCore.so.5
#10 0x00007fa9e95357dc in KConfigGroup::readEntry(char const*, QVariant const&)
const () from /usr/lib64/libKF5ConfigCore.so.5
#11 0x000055783ab42de3 in Shell::readProperties(KConfigGroup const&) ()
#12 0x00007fa9ea4aca48 in KMainWindow::readPropertiesInternal(KConfig*, int) ()
from /usr/lib64/libKF5XmlGui.so.5
#13 0x00007fa9ea4aca92 in KMainWindow::restore(int, bool) () from
/usr/lib64/libKF5XmlGui.so.5
#14 0x000055783ab3e0db in void kRestoreMainWindows<Shell>() ()
#15 0x000055783ab3b822 in main ()

Possible duplicates by query: bug 395539.

Reported using DrKonqi

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