[okular] [Bug 383784] Okular crash while opening PDF in MediaRendition::copy()

[Kyrylo Bohdanenko]

https://bugs.kde.org/show_bug.cgi?id=383784

--- Comment #2 from Kyrylo Bohdanenko <kirill.bogdanenko at gmail.com> ---
After installing debug sybols for libpoppler I've got this backtrace:
Core dump: https://www.dropbox.com/s/y5synleuap2jb5t/core.7924?dl=0

#0  MediaRendition::copy (this=0x0) at Rendition.cc:390
#1  0x00007fffd1bb8e38 in Poppler::PageData::convertLinkActionToLink
(a=0xc8d9f0, parentDoc=<optimized out>, linkArea=...) at poppler-page.cc:208
#2  0x00007fffd1bdc77f in Poppler::FormField::activationAction
(this=this at entry=0xd519d0) at poppler-form.cc:149
#3  0x00007fffd1e41990 in PopplerFormFieldButton::PopplerFormFieldButton
(this=0xd63480, field=0xd519d0) at
/workspace/build/generators/poppler/formfields.cpp:36
#4  0x00007fffd1e3cc18 in PDFGenerator::addFormFields
(this=this at entry=0xb8e840, popplerPage=popplerPage at entry=0xbc3470,
page=page at entry=0xd50a50)
    at /workspace/build/generators/poppler/generator_pdf.cpp:1628
#5  0x00007fffd1e3dedd in PDFGenerator::loadPages (this=this at entry=0xb8e840,
pagesVector=..., rotation=rotation at entry=0, clear=clear at entry=false)
    at /workspace/build/generators/poppler/generator_pdf.cpp:658
#6  0x00007fffd1e3e457 in PDFGenerator::init (this=this at entry=0xb8e840,
pagesVector=..., password=...) at
/workspace/build/generators/poppler/generator_pdf.cpp:583
#7  0x00007fffd1e3e603 in PDFGenerator::loadDocumentWithPassword
(this=0xb8e840, filePath=..., pagesVector=..., password=...) at
/workspace/build/generators/poppler/generator_pdf.cpp:538
#8  0x00007fffd6dc6961 in ?? () from
/usr/lib/x86_64-linux-gnu/libOkular5Core.so.7
#9  0x00007fffd6dc6e34 in Okular::Document::openDocument(QString const&, QUrl
const&, QMimeType const&, QString const&) () from
/usr/lib/x86_64-linux-gnu/libOkular5Core.so.7
#10 0x00007fffd70d432e in Okular::Part::doOpenFile (this=this at entry=0x72a070,
mimeA=..., fileNameToOpenA=...,
isCompressedFile=isCompressedFile at entry=0x7fffffffd59f)
    at /workspace/build/part.cpp:1292
#11 0x00007fffd70d56e6 in Okular::Part::openFile (this=0x72a070) at
/workspace/build/part.cpp:1414
#12 0x00007ffff7b97001 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#13 0x00007ffff7b97f0c in KParts::ReadOnlyPart::openUrl(QUrl const&) () from
/usr/lib/x86_64-linux-gnu/libKF5Parts.so.5
#14 0x00007fffd70c79d9 in Okular::Part::openUrl (this=0x72a070, _url=...) at
/workspace/build/part.cpp:1567
#15 0x00000000004127dc in Shell::openUrl (this=this at entry=0x731b10, url=...,
serializedOptions=...) at /workspace/build/shell/shell.cpp:277
#16 0x00000000004150a6 in Shell::openDocument (this=this at entry=0x731b10,
url=..., serializedOptions=...) at /workspace/build/shell/shell.cpp:218
#17 0x00000000004151d6 in Shell::openDocument (this=this at entry=0x731b10,
url=..., serializedOptions=...) at /workspace/build/shell/shell.cpp:205
#18 0x000000000040c0bf in Okular::main (paths=..., serializedOptions=...) at
/workspace/build/shell/okular_main.cpp:170
#19 0x000000000040bac3 in main (argc=2, argv=<optimized out>) at
/workspace/build/shell/main.cpp:69

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