Bug report: SIGSEGV when copying cross-reference from "description" layout on LyX 2.4.0 beta 5

[Anders Ekberg]

Can repeat on Mac Ventura 13.5.2.

/Anders

> On 15 Sep 2023, at 10:45, Léo de Souza <leo.de_souza at minesparis.psl.eu> wrote:
> 
> Hello,
> 
> I would like to report that LyX crashes with SIGSEGV when copying a cross reference from a "labeled list" or "description" layout on LyX 2.4.0 beta 5.
> 
> Environment:
> 
> I compiled LyX 2.4.0 beta 5 on Ubuntu 22.04 with Qt6 enabled and my Tex Live install is up to date.
> 
> Steps to reproduce:
> 
> 1. Create new document: File > New
> 2. Insert label: Insert > Label...
> 3. On a new line, switch layout to "Labeling" or "Description"
> 4. Insert cross-reference: Insert > Cross-Reference...
> 5. Try copying this cross-reference
> 
> Expected result (LyX 2.3.6): The cross-reference is copied to the clipboard.
> 
> Actual result (LyX 2.4.0 beta 5): LyX crashes with the message "SIGSEGV signal caught!"
> 
> Log:
> 
> ```
> (  1) lyx-devel: lyx::frontend::Alert::doError(std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&, bool)
> (  2) lyx-devel: lyx::frontend::Alert::error(std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&, bool)
> (  3) lyx-devel: lyx-devel(+0x4d49c7) [0x561db228f9c7]
> (  4) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-gnu/libc.so.6(+0x42520) [0x7f7669100520]
> (  5) lyx-devel: lyx::InsetRef::xhtml[abi:cxx11](lyx::XMLStream&, lyx::OutputParams const&) const
> (  6) lyx-devel: lyx::Paragraph::firstWordLyXHTML(lyx::XMLStream&, lyx::OutputParams const&) const
> (  7) lyx-devel: lyx-devel(+0x522df7) [0x561db22dddf7]
> (  8) lyx-devel: lyx::xhtmlParagraphs(lyx::Text const&, lyx::Buffer const&, lyx::XMLStream&, lyx::OutputParams const&)
> (  9) lyx-devel: lyx::Buffer::writeLyXHTMLSource(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >&, lyx::OutputParams const&, lyx::Buffer::OutputWhat) const
> ( 10) lyx-devel: lyx-devel(+0x45f751) [0x561db221a751]
> ( 11) lyx-devel: lyx::cap::copySelection(lyx::Cursor const&, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&)
> ( 12) lyx-devel: lyx::cap::copySelection(lyx::Cursor const&)
> ( 13) lyx-devel: lyx::BufferView::dispatch(lyx::FuncRequest const&, lyx::DispatchResult&)
> ( 14) lyx-devel: lyx::frontend::GuiView::dispatchToBufferView(lyx::FuncRequest const&, lyx::DispatchResult&)
> ( 15) lyx-devel: lyx::frontend::GuiView::dispatch(lyx::FuncRequest const&, lyx::DispatchResult&)
> ( 16) lyx-devel: lyx::frontend::GuiApplication::dispatch(lyx::FuncRequest const&, lyx::DispatchResult&)
> ( 17) lyx-devel: lyx::frontend::GuiApplication::dispatch(lyx::FuncRequest const&)
> ( 18) lyx-devel: lyx::frontend::GuiApplication::processKeySym(lyx::KeySymbol const&, unsigned int)
> ( 19) /lib/x86_64-linux-gnu/libQt6Core.so.6: /lib/x86_64-linux-gnu/libQt6Core.so.6(+0x1ac273) [0x7f76697c7273]
> ( 20) lyx-devel: lyx::frontend::CompressorProxy::signal(lyx::KeySymbol, unsigned int)
> ( 21) lyx-devel: lyx::frontend::CompressorProxy::slot(lyx::KeySymbol, unsigned int, bool)
> ( 22) lyx-devel: lyx-devel(+0x91bcf9) [0x561db26d6cf9]
> ( 23) /lib/x86_64-linux-gnu/libQt6Core.so.6: QObject::event(QEvent*)
> ( 24) /lib/x86_64-linux-gnu/libQt6Widgets.so.6: QApplicationPrivate::notify_helper(QObject*, QEvent*)
> ( 25) lyx-devel: lyx::frontend::GuiApplication::notify(QObject*, QEvent*)
> ( 26) /lib/x86_64-linux-gnu/libQt6Core.so.6: QCoreApplication::notifyInternal2(QObject*, QEvent*)
> ( 27) /lib/x86_64-linux-gnu/libQt6Core.so.6: QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)
> ( 28) /lib/x86_64-linux-gnu/libQt6Core.so.6: /lib/x86_64-linux-gnu/libQt6Core.so.6(+0x37c637) [0x7f7669997637]
> ( 29) /lib/x86_64-linux-gnu/libglib-2.0.so.0: /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x26b) [0x7f7668fd2d3b]
> ( 30) /lib/x86_64-linux-gnu/libglib-2.0.so.0: /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0xab258) [0x7f7669028258]
> ( 31) /lib/x86_64-linux-gnu/libglib-2.0.so.0: /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x33) [0x7f7668fd03e3]
> ( 32) /lib/x86_64-linux-gnu/libQt6Core.so.6: QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
> ( 33) /lib/x86_64-linux-gnu/libQt6Core.so.6: QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
> ( 34) /lib/x86_64-linux-gnu/libQt6Core.so.6: QCoreApplication::exec()
> ( 35) lyx-devel: lyx::LyX::exec(int&, char**)
> ( 36) lyx-devel: lyx-devel(main+0x59) [0x561db2124229]
> ( 37) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-gnu/libc.so.6(+0x29d90) [0x7f76690e7d90]
> ( 38) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80) [0x7f76690e7e40]
> ( 39) lyx-devel: lyx-devel(_start+0x25) [0x561db2132c65]
> ```
> -- 
> lyx-devel mailing list
> lyx-devel at lists.lyx.org
> http://lists.lyx.org/mailman/listinfo/lyx-devel