Need help for bug 158451

[Caolán McNamara]

On Mon, 2023-12-11 at 03:15 +0100, Regina Henschel wrote:
> Steps before the crash are
>      SwTextFormatter::NewPortion()
>      SwTextFormatter::CalcFlyWidth()
>      SwTextFly::GetFrame()
>      SwTextFly::ForEach()
>      SwAnchoredObject::GetObjRectWithSpaces()

It is possible that this is also been recently picked up
with a document I added to crashtesting
https://wiki.documentfoundation.org/Development/Crashtesting

Try running it under valgrind and see if it is a use-after-free and get
those backtraces for the bug, Use valgrind --num-callers=50 or some
large enough number to get useful info.