[ragel] Ragel sanitise output - memory leaks

Samuel Williams space.ship.traveller at gmail.com
Thu Nov 9 01:08:55 UTC 2017

Any update to this? Still causing problems for me.

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

> 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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.colm.net/pipermail/ragel-users/attachments/20171109/a0e3297e/attachment-0002.html>

More information about the ragel-users mailing list