Hi,
I get the crash in majority of cases when using the following recipy:
1. launch lyx & open introduction manual
2. open new window via file -> new window
3. view->hidden->introduction
4. kaboom
/usr/include/c++/10/debug/vector:434:
In function:
std::__debug::vector<_Tp, _Allocator>::const_reference
std::__debug::vector<_Tp,
_Allocator>::operator[](std::__debug::vector<_Tp,
_Allocator>::size_type) const [with _Tp = lyx::TocItem; _Allocator =
std::allocator<lyx::TocItem>; std::__debug::vector<_Tp,
_Allocator>::const_reference = const lyx::TocItem&;
std::__debug::vector<_Tp, _Allocator>::size_type = long unsigned int]
Error: attempt to subscript container with out-of-bounds index 0, but
container only holds 0 elements.
Objects involved in the operation:
sequence "this" @ 0x0x555557f3b0d0 {
type = std::__debug::vector<lyx::TocItem, std::allocator<lyx::TocItem> >;
}
Thread 1 "lyx" received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff6aa4537 in __GI_abort () at abort.c:79
#2 0x00007ffff694eeb1 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x0000555556100051 in lyx::frontend::TocModel::tocItem(QModelIndex const&)
const ()
#4 0x0000555556102cbc in lyx::frontend::TocModels::currentItem(QString const&,
QModelIndex const&) const ()
#5 0x00005555563080c4 in lyx::frontend::TocWidget::filterContents() ()
#6 0x000055555630856f in lyx::frontend::TocWidget::finishUpdateView() ()
#7 0x000055555630947b in
lyx::frontend::TocWidget::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**) ()
bisect leads to:
commit 4d7f4762a1af2bbe4d2051bd86e45c35361f0cfc
Author: Juergen Spitzmueller <sp...@lyx.org>
Date: Sun Mar 15 10:46:35 2020 +0100
Outliner: Add filter combo for non-output items
Addresses #11442, #10786
Looking at the backtrace and commit it seems that
+ TocItem const & item =
+ gui_view_.tocModels().currentItem(current_type_, index);
triggers the crash.
Juergen, can you reproduce?
Pavel
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