Re: [ft-devel] Dynamic limits for TrueType bytecode execution

[Marek Kasik]

On 06/01/2017 07:13 AM, Werner LEMBERG wrote:
> 
>> a problematic font was encountered by reporter of this downstream bug:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1456585.
>>
>> The font there is Padauk-Bold.ttf (version 3.002 (it works with current
>> upstream)). It has exc->cvtSize == 35 so the exc->loopcall_counter_max
>> == 350 but exc->loopcall_counter == 523.
>>
>> Do you consider this a problem of the font (which is fixed in
>> current master of the font - but it doesn't seem that they targeted
>> this issue specifically) or something because of which the limits
>> should be adjusted?
> 
> Sigh, the culprit is (again) a buggy version of ttfautohint.  Given
> that I'm the author, I *have* to fix this in FreeType :-)

I see now :).

> A patch is now in git.  Thanks for the report!
> 
> 
>     Werner

Thank you for the patch!

Marek