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Date: Thu, 9 Apr 2020 10:41:02 +0200
From: Markus Elfring <>
To: Alexander Popov <>,,
 Gilles Muller <>, Hans Verkuil <>,
 Jann Horn <>, Julia Lawall <>,
 Kees Cook <>, Mauro Carvalho Chehab
 <>, Michal Marek <>,
 Nicolas Palix <>
Subject: Re: [Cocci] Coccinelle rule for CVE-2019-18683

> Do you have any idea how to improve it?

I see further software development possibilities of varying relevance
also for this script of the semantic patch language.

* The SmPL variables “lock_p”, “unlock_p” and “stop_p” could be declared
  in a more succinct way just by listing them in the same statement.

* The source code search pattern can be too generic.
  How do you think about to consider additional constraints
  for safer data control flow analysis?

* Other operation modes might become helpful.


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