[ragel] Ragel sanitise output - memory leaks

[Samuel Williams]

Any update to this? Still causing problems for me.

On 9 October 2017 at 10:34, Samuel Williams <space.ship.traveller at gmail.com>
wrote:

> Here is some log output from a build which invokes ragel to generate
> several parsers. I've cut out (most) unimportant output.
>
> The source code for the parsers: https://github.com/
> kurocha/async-http/tree/master/source/Async/HTTP/V1
>
> The results from running Ragel several times with LLVM sanitisers:
> https://gist.github.com/ioquatix/2e50ffb09697107338f8f75083400143
>
> The main issue I can see are memory leaks, but there could be other issues.
>
> Since Ragel is a one-shot "compiler", perhaps it's not important to
> address these, except as a matter of correctness.
>
> I think there are potential problem with memory leaks and they might be
> covering up bigger issues - there might be cases where memory is being
> accessed incorrectly but it's not causing a crash because it's not freed at
> the right point etc.
>
> I'd suggest that if there is a test suite for Ragel, it's updated to run
> with the undefined behaviour sanitiser and address sanitiser - both provide
> useful output IMHO.
>
> Happy to provide more feedback.
>
> Kind regards,
> Samuel
>
>
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