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Message-ID: <063D6719AE5E284EB5DD2968C1650D6DCFFE0675@AcuExch.aculab.com>
Date: Thu, 27 Apr 2017 14:54:14 +0000
From: David Laight <David.Laight@...LAB.COM>
To: "'Jason A. Donenfeld'" <Jason@...c4.com>, Sabrina Dubroca
<sd@...asysnail.net>
CC: Netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
David Miller <davem@...emloft.net>
Subject: RE: [PATCH v6 1/5] skbuff: return -EMSGSIZE in skb_to_sgvec to
prevent overflow
From: Jason A. Donenfeld
> On Thu, Apr 27, 2017 at 1:30 PM, Sabrina Dubroca <sd@...asysnail.net> wrote:
> > Hmm, I think this can actually happen:
>
> Alright, perhaps better to err on the side of caution, then.
You only need to recurse if both pointers are set.
David
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