netdev - Re: user-controllable kmalloc size in sctp_getsockopt_local

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Message-ID: <20151130163637.GA6091@mrl.redhat.com>
Date:	Mon, 30 Nov 2015 14:36:37 -0200
From:	Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:	Dmitry Vyukov <dvyukov@...gle.com>
Cc:	Vlad Yasevich <vyasevich@...il.com>,
	Neil Horman <nhorman@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-sctp@...r.kernel.org, netdev <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	syzkaller <syzkaller@...glegroups.com>,
	Kostya Serebryany <kcc@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: user-controllable kmalloc size in sctp_getsockopt_local_addrs

On Sat, Nov 28, 2015 at 01:40:08PM +0100, Dmitry Vyukov wrote:
> Hello,
> 
> The following program triggers WARNING in kmalloc:
> 

I messed up with the in-reply-to, put an extra c on it, but I just
posted a patch for this, subject:
[PATCH] sctp: use GFP_USER for user-controlled kmalloc

Thanks,
Marcelo

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