Re: [PATCH 2/2] [v2] net/mlx5: fix possible stack overflows

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On Tue, Feb 20, 2024, at 09:06, Simon Horman wrote:
> On Mon, Feb 19, 2024 at 11:04:56AM +0100, Arnd Bergmann wrote:

> Hi Arnd,
>
> With patch 1/2 in place this code goes on as:
>
> 	switch (action->action_type) {
> 	case DR_ACTION_TYP_DROP:
> 		memset(buff, 0, sizeof(buff));
>
> buff is now a char * rather than an array of char.
> siceof(buff) doesn't seem right here anymore.
>
> Flagged by Coccinelle.

Rihgt, that would be bad. It sounds like we won't use patch 1/2
after all though, so I think it's going to be fine after all.
If the mlx5 maintainers still want both patches, I'll rework
it to use the fixed size.

     Arnd




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