[okular] [Bug 443057] Okular crashes on markdown files with an image without alt text

[Luigi Toscano]

https://bugs.kde.org/show_bug.cgi?id=443057

Luigi Toscano <luigi.toscano at tiscali.it> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |luigi.toscano at tiscali.it

--- Comment #2 from Luigi Toscano <luigi.toscano at tiscali.it> ---
It would be useful to have the stack trace from the crash, but then ArchLinux
doesn't make it easy as far as I know.

I can reproduce it on Okular 21.08.1, libmarkdown2 2.2.7, and I get the
following backtrace:

[KCrash Handler]
#4  0x00007f1a84531b93 in QTextBlock::iterator::operator++() () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x00007f1a750823a3 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_md.so
#6  0x00007f1a750828a5 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_md.so
#7  0x00007f1a75082a08 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_md.so
#8  0x00007f1a75082c01 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_md.so
#9  0x00007f1a7c43ccab in
Okular::TextDocumentGenerator::loadDocumentWithPassword(QString const&,
QVector<Okular::Page*>&, QString const&) () from
/usr/lib/x86_64-linux-gnu/libOkular5Core.so.9
#10 0x00007f1a7c41c4ae in ?? () from
/usr/lib/x86_64-linux-gnu/libOkular5Core.so.9
#11 0x00007f1a7c41cb91 in Okular::Document::openDocument(QString const&, QUrl
const&, QMimeType const&, QString const&) () from
/usr/lib/x86_64-linux-gnu/libOkular5Core.so.9
#12 0x00007f1a7c5aa535 in Okular::Part::doOpenFile(QMimeType const&, QString
const&, bool*) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#13 0x00007f1a7c5ab2bb in Okular::Part::openFile() () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
#14 0x00007f1a856ba505 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#15 0x00007f1a856bb5de in KParts::ReadOnlyPart::openUrl(QUrl const&) () from
/usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#16 0x00007f1a7c59bbf3 in Okular::Part::openUrl(QUrl const&, bool) () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okularpart.so
[...]



Which version of libmarkdown do you both have?

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