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From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Zhouyi Zhou <yizhouzhou@ict.ac.cn>,
	Zhouyi Zhou <zhouzhouyi@gmail.com>,
	pablo@netfilter.org, kaber@trash.net, kadlec@blackhole.kfki.hu,
	davem@davemloft.net, netfilter-devel@vger.kernel.org,
	coreteam@netfilter.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] netfilter: h323: avoid potential attack
Date: Thu, 28 Jan 2016 14:15:57 +0000	[thread overview]
Message-ID: <20160128141557.74ad75f0@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <1453989650.7627.30.camel@edumazet-glaptop2.roam.corp.google.com>

On Thu, 28 Jan 2016 06:00:50 -0800
Eric Dumazet <eric.dumazet@gmail.com> wrote:

> On Thu, 2016-01-28 at 21:14 +0800, Zhouyi Zhou wrote:
> 
> > My patch is intend to prevent kernel panic, to prevent reading garbage
> > or read data from a prior frame and leak secrets, the prototypes of the 
> > get_h2x5_addr functions and the functions that call get_h2x5_addr should
> > be changed, should we do this?   
> 
> In term of security, panics are better than allowing attacker to read
> data from other people, like a password.
> 
> BTW, are you able to trigger any panic ?

We have a smattering of panics in this code in bugzilla going back years.

https://bugzilla.kernel.org/show_bug.cgi?id=12473

etc

Alan

  parent reply	other threads:[~2016-01-28 14:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1453971597-4811-1-git-send-email-zhouzhouyi@gmail.com>
     [not found] ` <1453985821.7627.17.camel@edumazet-glaptop2.roam.corp.google.com>
2016-01-28 13:14   ` Zhouyi Zhou
2016-01-28 14:00     ` Eric Dumazet
2016-01-28 14:07       ` Eric Dumazet
2016-01-28 14:15       ` One Thousand Gnomes [this message]
     [not found] ` <20160128142959.GB30994@breakpoint.cc>
2016-01-28 15:13   ` Zhouyi Zhou
2016-01-28  9:34 Zhouyi Zhou

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