Please find attached a sample PDF demonstrating the problem.
It was produced by pdflatex on this file:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% -*- compile-command: "pdflatex t1-test && evince t1-test.pdf" -*-
\documentclass[12pt,a4paper]{article}
% \usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\begin{document}
Just a little test:
Try to select some text in evince!
\end{document}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
** Attachment added: "sample pdf"
https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/1855596/+attachment/5311733/+files/t1-test.pdf
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https://bugs.launchpad.net/bugs/1855596
Title:
NULL ptr dereference in TextSelectionPainter::hasGlyphLessFont() with
certain PDF
Status in poppler package in Ubuntu:
Confirmed
Bug description:
When viewing a certain PDF (which I unfortunately can't share) using
evince, a see a crash in libpoppler90. It's a NULL pointer dereference
in TextSelectionPainter::hasGlyphLessFont(), because in this certain
PDF, for whatever reason, sel->word->getFontName(0) may return NULL.
Attached you'll find a proposed patch increasing the robustness in
this case.
Cheers,
Enrik
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