CTLayout class in VCL/quartz has member mpTextStyle of type CoreTextStyle class which is initialised from AquaSalGraphics. But during pdf export, Drawlayout function calculates font matric which temporarily replace font with another font for matric calculation. thus mpTextStyle pointer get released and AquaSalGraphics creates another CoreTextStyle for same font and CTLayout has illegal memory. So CTLayout mpTextStyle should be pointer to pointer instead of simple pointer. It may be substitution related issue.
Please provide more information on the issue you are seeing. To diagnose the issue, it would be useful if you could attach: - A sample document to reproduce the issue - A backtrace from the crash It seems from your comment that you already have a theory about the cause of the crash. If so, it would also be helpful if you could mention the specific source files and line numbers involved
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I created a thread here http://nabble.documentfoundation.org/About-tdf-81054-MacOs-Random-crash-td4146733.html but we really need more information. 1) A file to reproduce the problem 2) A step by step process to reproduce the crash Since I've got a Mac, I can give a try and may retrieve a bt.
Dear Bug Submitter, Please read this message in its entirety before proceeding. Your bug report is being closed as INVALID due to inactivity and a lack of information which is needed in order to accurately reproduce and confirm the problem. We encourage you to retest your bug against the latest release. If the issue is still present in the latest stable release, we need the following information (please ignore any that you've already provided): a) Provide details of your system including your operating system and the latest version of LibreOffice that you have confirmed the bug to be present b) Provide easy to reproduce steps – the simpler the better c) Provide any test case(s) which will help us confirm the problem d) Provide screenshots of the problem if you think it might help e) Read all comments and provide any requested information Once all of this is done, please set the bug back to UNCONFIRMED and we will attempt to reproduce the issue. Please do not: a) respond via email b) update the version field in the bug or any of the other details on the top section of our bug tracker -- The LibreOffice QA Team This INVALID Message was generated on: 2015-05-06 Warm Regards, QA Team