netdev - Re: [PATCH net] bpf: rather use get_random

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Message-ID: <1463581068.18194.111.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Wed, 18 May 2016 07:17:48 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	Daniel Borkmann <daniel@...earbox.net>, davem@...emloft.net,
	alexei.starovoitov@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net] bpf: rather use get_random_int for randomizations

On Wed, 2016-05-18 at 15:28 +0200, Hannes Frederic Sowa wrote:

> I don't consider this a big thing, I just mentioned that we probably
> shouldn't use prandom_u32 if the value somehow could leak to user space
> and should be used for security.

Yes, I was mostly trying to understand if you had real security issues
there or some general concerns ;)