linux-kernel - Re: [Cocci] [PATCH] coccinelle: misc: add array_size_dup script to detect missed overlow checks

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Message-ID: <alpine.DEB.2.22.394.2006172252080.3083@hadrien>
Date:   Wed, 17 Jun 2020 22:52:16 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Denis Efremov <efremov@...ux.com>
cc:     Kees Cook <keescook@...omium.org>, cocci@...teme.lip6.fr,
        linux-kernel@...r.kernel.org
Subject: Re: [Cocci] [PATCH] coccinelle: misc: add array_size_dup script to
 detect missed overlow checks



On Wed, 17 Jun 2020, Denis Efremov wrote:

>
>
> On 6/17/20 11:30 PM, Julia Lawall wrote:
> >
> >
> > On Mon, 15 Jun 2020, Denis Efremov wrote:
> >
> >> Detect an opencoded expression that is used before or after
> >> array_size()/array3_size()/struct_size() to compute the same size.
> >
> > This would benefit from the assignemnt operator metavariables as well.
> >
> > Also, it could be better to put the python rules up next the SmPL pattern
> > matching rules that they are associated with.
> >
>
> Thanks, I will send v2.
> Here is the KSPP ticket with patches https://github.com/KSPP/linux/issues/83

Thanks!

julia