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[NET]: Fix sk->sk_filter field access
authorDmitry Mishin <dim@openvz.org>
Thu, 31 Aug 2006 22:28:39 +0000 (15:28 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Fri, 22 Sep 2006 22:18:47 +0000 (15:18 -0700)
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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