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/openbmc/linux/net/core/ |
H A D | neighbour.c | 170d6f99 Wed Jun 19 21:01:33 CDT 2013 Gao feng <gaofeng@cn.fujitsu.com> neigh: only allow init_net to change the default neigh_parms
Though we don't export the /proc/sys/net/ipv[4,6]/neigh/default/ directory to the un-init_net, but we can still use cmd such as "ip ntable change name arp_cache locktime 129" to change the locktime of default neigh_parms.
This patch disallows the un-init_net to find out the neigh_table.parms. So the un-init_net will failed to influence the init_net.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net> 170d6f99 Wed Jun 19 21:01:33 CDT 2013 Gao feng <gaofeng@cn.fujitsu.com> neigh: only allow init_net to change the default neigh_parms Though we don't export the /proc/sys/net/ipv[4,6]/neigh/default/ directory to the un-init_net, but we can still use cmd such as "ip ntable change name arp_cache locktime 129" to change the locktime of default neigh_parms. This patch disallows the un-init_net to find out the neigh_table.parms. So the un-init_net will failed to influence the init_net. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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