https://bugs.freedesktop.org/show_bug.cgi?id=58267
Priority: medium
Bug ID: 58267
Assignee: libreoffice-bugs@lists.freedesktop.org
Summary: weakref / lifecycle nightmare on calc draw shape load
Severity: blocker
Classification: Unclassified
OS: All
Reporter: michael.me...@novell.com
Hardware: Other
Status: UNCONFIRMED
Version: 4.0.0.0.beta1
Component: Libreoffice
Product: LibreOffice
I thought the svdoashp.cxx speedup gift had stopped giving - but it seems the
fix for fdo#56980 indirectly causes a crash-on-load of an (internal) .xlsx file
we have here.
It -seems- that this is via some nastily obscure UNO weak referencing nightmare
of doom; crash is:
Crash is:
#0 SdrObject::ApplyNotPersistAttr (this=0x0, rAttr=...) at
/ssd/opt/libreoffice/master/svx/source/svdraw/svdobj.cxx:2024
#1 0xb088de03 in SvxShape::ObtainSettingsFromPropertySet (this=0x9277e18,
rPropSet=...)
at /ssd/opt/libreoffice/master/svx/source/unodraw/unoshape.cxx:674
#2 0xb088df59 in SvxShape::Create (this=0x9277e18, pNewObj=0x9275768) at
/ssd/opt/libreoffice/master/svx/source/unodraw/unoshape.cxx:450
#3 0xb088e055 in SvxShapeText::Create (this=0x9277e18, pNewObj=0x9275768,
pNewPage=0x8f7cd20)
at /ssd/opt/libreoffice/master/svx/source/unodraw/unoshape.cxx:4022
#4 0xb08762ca in SvxCustomShape::Create (this=0x9277e18, pNewObj=0x9275768,
pNewPage=0x8f7cd20)
at /ssd/opt/libreoffice/master/svx/source/unodraw/unoshap2.cxx:1733
Cause is that mpObj is suddenly null between calls:
void SvxShape::ObtainSettingsFromPropertySet(const SvxItemPropertySet&
rPropSet)
{
...
mpObj->SetMergedItemSetAndBroadcast(aSet); // mpObj is valid
mpObj->ApplyNotPersistAttr( aSet ); // mpObj is nil
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