Commit 14458630 authored Jul 28, 2009 by Eric Dumazet Committed by David S. Miller Aug 02, 2009

net: net_assign_generic() fix



memcpy() should take into account size of pointers,
not only number of pointers to copy.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 446e72f3

net/core/net_namespace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -488,7 +488,7 @@ int net_assign_generic(struct net net, int id, void data)
		*/

		ng->len = id;
		memcpy(&ng->ptr, &old_ng->ptr, old_ng->len);
		memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*));

		rcu_assign_pointer(net->gen, ng);
		call_rcu(&old_ng->rcu, net_generic_release);