https://bugs.kde.org/show_bug.cgi?id=386394
Bug ID: 386394
Summary: Crash in auto-indenter
Product: frameworks-ktexteditor
Version: 5.38.0
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: kwrite-bugs-n...@kde.org
Reporter: mwoehlke.fl...@gmail.com
Target Milestone: ---
I'm experiencing a reproducible crash when trying to edit a Javascript file.
GDB and the bug reporting wizard are having problems generating a stack trace.
Valgrind reports:
==4284== Invalid read of size 8
==4284== at 0x35816C79: ???
==4284== by 0xA387305: ??? (in /usr/lib64/libQt5Qml.so.5.7.1)
==4284== by 0xA3EF7D6:
QV4::Runtime::callActivationProperty(QV4::ExecutionEngine*, int,
QV4::CallData*) (in /usr/lib64/libQt5Qml.so.5.7.1)
==4284== by 0x2F6CA9F1: ???
==4284== by 0xA387305: ??? (in /usr/lib64/libQt5Qml.so.5.7.1)
==4284== by 0xA3EF7D6:
QV4::Runtime::callActivationProperty(QV4::ExecutionEngine*, int,
QV4::CallData*) (in /usr/lib64/libQt5Qml.so.5.7.1)
==4284== by 0x2F6C9DA0: ???
==4284== by 0xA387305: ??? (in /usr/lib64/libQt5Qml.so.5.7.1)
==4284== by 0xA2ED235: QJSValue::call(QList<QJSValue> const&) (in
/usr/lib64/libQt5Qml.so.5.7.1)
==4284== by 0x4F67E2D:
KateIndentScript::indent(KTextEditor::ViewPrivate*, KTextEditor::Cursor const&,
QChar, int) (kateindentscript.cpp:75)
==4284== by 0x50258BD:
KateAutoIndent::scriptIndent(KTextEditor::ViewPrivate*, KTextEditor::Cursor
const&, QChar) (kateautoindent.cpp:278)
==4284== by 0x5026935:
KateAutoIndent::userTypedChar(KTextEditor::ViewPrivate*, KTextEditor::Cursor
const&, QChar) (kateautoindent.cpp:453)
==4284== Address 0xb5bd04d8 is not stack'd, malloc'd or (recently) free'd
To reproduce:
- Open
https://raw.githubusercontent.com/Kitware/vaui/84ba21ecce5fb64388b1510b50c8cbb8c9bda3e1/web_external/Viewer/ImageViewerWidgetWrapper/VauiGeoJSImageViewer.js
- Move the caret to the end of line 36 (`var pendingNext = false;`)
- Press enter
Curiously, if I paste the file contents into an empty document and set HL to
'javascript', no crash...
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