http://www.lyx.org/trac/ticket/6503
This crash is caused by an infinite loop in Encodings::initMath, which
recursively calls itself if a document includes itself (we already issue a
warning about that, but in the given case, LyX crashes before the warning
can be issued).
The fix is obviously to test whether child and parent are identical. I see
two ways of doing this: either directly in the function (patch a) or
upstream in Buffer::isChildren (patch b).
Which, if any, do you prefer?
Jürgen
Index: src/Encoding.cpp
===================================================================
--- src/Encoding.cpp (Revision 33282)
+++ src/Encoding.cpp (Arbeitskopie)
@@ -557,7 +557,8 @@
BufferList::iterator bit = theBufferList().begin();
BufferList::iterator const bend = theBufferList().end();
for (; bit != bend; ++bit)
- if (buffer.isChild(*bit))
+ // avoid recursive includes
+ if (buffer.isChild(*bit) && *bit != &buffer)
initUnicodeMath(**bit, false);
#endif
}
Index: src/Buffer.cpp
===================================================================
--- src/Buffer.cpp (Revision 33282)
+++ src/Buffer.cpp (Arbeitskopie)
@@ -1804,6 +1804,9 @@
bool Buffer::isChild(Buffer * child) const
{
+ // avoid recursive includes
+ if (child == this)
+ return false;
return d->children_positions.find(child) != d->children_positions.end();
}
