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* Re: [PATCH v4] coccinelle: misc: add array_size_dup script to detect missed overflow checks
@ 2020-06-23  6:12 Markus Elfring
  2020-06-23  7:02 ` Julia Lawall
  0 siblings, 1 reply; 3+ messages in thread
From: Markus Elfring @ 2020-06-23  6:12 UTC (permalink / raw)
  To: Denis Efremov, Coccinelle, Gilles Muller, Julia Lawall,
	Masahiro Yamada, Michal Marek, Nicolas Palix
  Cc: linux-kernel, kernel-janitors, Gustavo A. R. Silva, Kees Cook

> Changes in v2:
> - assignment operator used

I prefer the distinction for the application of corresponding metavariables.

> Changes in v3:
>  - \(&E1\|&E2\) changed to &\(E1\|E2\)

Would it be more helpful to mention the movement of the ampersand
before SmPL disjunctions?

>+/// Three types of patterns for these functions:

Will another adjustment be needed according to your information “duplicates warning removed”?

> +virtual context
> +virtual report
> +virtual org

Can the following SmPL code variant ever become more attractive?

+virtual context, report, org

> +expression subE1 <= as.E1;
> +expression subE2 <= as.E2;
> +expression as.E1, as.E2, E3;

How do you think about the following SmPL code variant?

+expression subE1 <= as.E1,
+           subE2 <= as.E2,
+           as.E1, as.E2, E3;

> +msg = "WARNING: array_size is used later (line %s) to compute the same size" % (p2[0].line)
>[0], msg)

Please omit the extra Python variable “msg” for the passing of such simple message objects.

What does hinder you to take the proposed script variants better into account?


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-06-23  9:42 UTC | newest]

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2020-06-23  6:12 [PATCH v4] coccinelle: misc: add array_size_dup script to detect missed overflow checks Markus Elfring
2020-06-23  7:02 ` Julia Lawall
2020-06-23  9:42   ` [v4] " Markus Elfring

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