From: Dmitry Mishin <dim@openvz.org>
Date: Thu, 31 Aug 2006 22:28:39 +0000 (-0700)
Subject: [NET]: Fix sk->sk_filter field access
X-Git-Tag: v2.6.19-rc1~1272^2~79
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fda9ef5d679b07c9d9097aaf6ef7f069d794a8f9;p=pandora-kernel.git

[NET]: Fix sk->sk_filter field access

Function sk_filter() is called from tcp_v{4,6}_rcv() functions with arg
needlock = 0, while socket is not locked at that moment. In order to avoid
this and similar issues in the future, use rcu for sk->sk_filter field read
protection.

Signed-off-by: Dmitry Mishin <dim@openvz.org>
Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
---

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