linux-kernel - Re: [kernel-hardening] [PATCH] use get_random

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Message-ID: <1493906699.29205.1.camel@redhat.com>
Date:   Thu, 04 May 2017 10:04:59 -0400
From:   Rik van Riel <riel@...hat.com>
To:     Daniel Micay <danielmicay@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Arjan van Ven <arjan@...ux.intel.com>,
        Ingo Molnar <mingo@...e.hu>,
        kernel-hardening@...ts.openwall.com,
        LKML <linux-kernel@...r.kernel.org>
Cc:     stable@...r.kernel.org
Subject: Re: [kernel-hardening] [PATCH] use get_random_long for the per-task
 stack canary

On Thu, 2017-05-04 at 09:32 -0400, Daniel Micay wrote:
> The stack canary is an unsigned long and should be fully initialized
> to
> random data rather than only 32 bits of random data.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Daniel Micay <danielmicay@...il.com>
> 
Acked-by: Rik van Riel <riel@...hat.com>