Re: [PATCH] ima: drop vla in ima_audit_measurement()

From: Andy Shevchenko
Date: Thu Mar 08 2018 - 12:47:44 EST


On Thu, Mar 8, 2018 at 7:14 PM, Tycho Andersen <tycho@xxxxxxxx> wrote:
> In keeping with the directive to get rid of VLAs [1], let's drop the VLA
> from ima_audit_measurement(). We need to adjust the return type of
> ima_audit_measurement, because now this function can fail if an allocation
> fails.



> + algo_hash_len = hash_len + strlen(algo_name) + 2;
> + algo_hash = kzalloc(algo_hash_len, GFP_KERNEL);

> - snprintf(algo_hash, sizeof(algo_hash), "%s:%s", algo_name, hash);
> + snprintf(algo_hash, algo_hash_len, "%s:%s", algo_name, hash);

kasprintf() ?

--
With Best Regards,
Andy Shevchenko