[Dev-luatex] LuaTeX segfaults on invalid UTF-8 csnames

Taco Hoekwater taco at elvenkind.com
Mon Jan 14 09:58:41 CET 2013


On 01/13/2013 08:48 PM, Bruno Le Floch wrote:
> Hello,
>
> LuaTeX doesn't segfault on invalid UTF-8 appearing in a file: this
> simply leads to a fatal error.  However, one can build invalid UTF-8
> using the bytes ^^^^^^110000 to ^^^^^^1100ff.  If one builds a control
> sequence whose name is invalid UTF-8, then try to convert this
> sequence to a string, LuaTeX segfaults.  Namely, both  ...

Thanks for the report. Tracker item added:

    http://tracker.luatex.org/view.php?id=802

Best wishes,
Taco




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