From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: Possible netfilter-related memory corruption in 2.6.37 Date: Mon, 14 Feb 2011 16:11:23 +0100 Message-ID: <1297696283.2996.33.camel@edumazet-laptop> References: <4D594313.4050009@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netfilter-devel@vger.kernel.org, Marcelo Tosatti , nicolas prochazka , KVM list , netdev To: Avi Kivity Return-path: In-Reply-To: <4D594313.4050009@redhat.com> Sender: netfilter-devel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Le lundi 14 f=C3=A9vrier 2011 =C3=A0 16:58 +0200, Avi Kivity a =C3=A9cr= it : > We see severe memory corruption in kvm while used in conjunction with= =20 > bridge/netfilter. Enabling slab debugging points the finger at a=20 > netfilter chain invoked from the bridge code. >=20 > Can someone take a look? >=20 > https://bugzilla.kernel.org/show_bug.cgi?id=3D27052 >=20 CC netdev Does a revert of commit ca44ac386181ba7 help a bit ? (net: don't reallocate skb->head unless the current one hasn't the needed extra size or is shared) -- To unsubscribe from this list: send the line "unsubscribe netfilter-dev= el" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html