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

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Message-ID: <7c7b22f8-722c-60f5-db5d-290bea2b499c@linux.com>
Date:   Wed, 17 Jun 2020 23:50:30 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     Julia Lawall <julia.lawall@...ia.fr>
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 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