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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Sabrina Dubroca <sd@queasysnail.net>
Cc: Netdev <netdev@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	David Miller <davem@davemloft.net>,
	stable@vger.kernel.org, security@kernel.org
Subject: Re: [PATCH] macsec: avoid heap overflow in skb_to_sgvec
Date: Tue, 25 Apr 2017 17:13:39 +0200	[thread overview]
Message-ID: <CAHmME9rZ29X=R-quViXaEO_ouxeB2EpzR2bkR93rrN4n--QDqw@mail.gmail.com> (raw)
In-Reply-To: <20170425151248.GB25241@bistromath.localdomain>

On Tue, Apr 25, 2017 at 5:12 PM, Sabrina Dubroca <sd@queasysnail.net> wrote:
>> https://patchwork.ozlabs.org/patch/754861/
>
> Yes, that prevents the overflow, but now you're just dropping
> packets.

Right, it's a so-called "defense-in-depth" measure.

> I'll review that later, let's fix the overflow without
> breaking connectivity for now.

Agreed.

  reply	other threads:[~2017-04-25 15:15 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-21 21:14 [PATCH] macsec: avoid heap overflow in skb_to_sgvec Jason A. Donenfeld
2017-04-24 11:02 ` David Laight
2017-04-24 12:15   ` Jason A. Donenfeld
2017-04-24 17:47 ` David Miller
2017-04-25 14:53 ` Sabrina Dubroca
2017-04-25 15:08   ` Jason A. Donenfeld
2017-04-25 15:12     ` Sabrina Dubroca
2017-04-25 15:13       ` Jason A. Donenfeld [this message]
2017-04-25 15:23         ` [PATCH] macsec: dynamically allocate space for sglist Jason A. Donenfeld
2017-04-25 16:36           ` Sabrina Dubroca
2017-04-25 17:08             ` [PATCH v2] " Jason A. Donenfeld
2017-04-25 20:35               ` Sabrina Dubroca
2017-04-26 18:42               ` David Miller

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