linux-kernel - Re: [PATCH 4/5] kselftest: add fixture parameters

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 13 Mar 2020 17:05:22 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     shuah@...nel.org, luto@...capital.net, wad@...omium.org,
        linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH 4/5] kselftest: add fixture parameters

On Fri, Mar 13, 2020 at 04:52:02PM -0700, Jakub Kicinski wrote:
> On Fri, 13 Mar 2020 16:31:25 -0700 Kees Cook wrote:
> > > @@ -326,7 +387,8 @@
> > >  	} \
> > >  	static void fixture_name##_##test_name( \
> > >  		struct __test_metadata __attribute__((unused)) *_metadata, \
> > > -		FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
> > > +		FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
> > > +		const FIXTURE_PARAMS(fixture_name) __attribute__((unused)) *params)  
> > 
> > Could this be done without expanding the function arguments? (i.e. can
> > the params just stay attached to the __test_metadata, perhaps having the
> > test runner adjust a new "current_param" variable to point to the
> > current param? Having everything attached to the single __test_metadata
> > makes a lot of things easier, IMO.
> 
> Sure! I felt a little awkward dereferencing _metadata in the test,
> so I followed the example of self. But I can change.
> 
> Can I add a macro like CURRENT_PARAM() that would implicitly use
> _metadata?

Yeah, that seems cleaner. Thanks! This is very cool. :)

-- 
Kees Cook