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Date: Thu, 8 Mar 2018 19:47:37 +0200
From: Andy Shevchenko <>
To: Tycho Andersen <>
Cc: Mimi Zohar <>, Dmitry Kasatkin <>,, 
	Linux Kernel Mailing List <>,
Subject: Re: [PATCH] ima: drop vla in ima_audit_measurement()

On Thu, Mar 8, 2018 at 7:14 PM, Tycho Andersen <> 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

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