Re: [PATCH v2 2/3] mm/page_owner: Use scnprintf() to avoid excessive buffer overrun check

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On (22/01/29 15:53), Waiman Long wrote:
> The snprintf() function can return a length greater than the given
> input size. That will require a check for buffer overrun after each
> invocation of snprintf(). scnprintf(), on the other hand, will never
> return a greater length. By using scnprintf() in selected places, we
> can avoid some buffer overrun checks except after stack_depot_snprint()
> and after the last snprintf().
> 
> Signed-off-by: Waiman Long <longman@xxxxxxxxxx>

Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>



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