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net: Add missing extra2 parameter for ip_default_ttl sysctl

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Commit 76e6ebfb40 ("netns: add namespace
parameter to rt_cache_flush") acceses the extra2 parameter of the
ip_default_ttl ctl_table, but it is never set to a meaningful
value. When e84f84f276 ("netns: place
rt_genid into struct net") is applied, we'll oops in
rt_cache_invalidate(). Set extra2 to init_net, to avoid that.

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sven Wegener 2008-08-03 14:06:44 -07:00 committed by David S. Miller
parent e5a4a72d4f
commit adf044c877
1 changed files with 1 additions and 0 deletions
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1
net/ipv4/sysctl_net_ipv4.c
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@ -232,6 +232,7 @@ static struct ctl_table ipv4_table[] = {
.mode = 0644, .mode = 0644,
.proc_handler = &ipv4_doint_and_flush, .proc_handler = &ipv4_doint_and_flush,
.strategy = &ipv4_doint_and_flush_strategy, .strategy = &ipv4_doint_and_flush_strategy,
.extra2 = &init_net,
}, },
{ {
.ctl_name = NET_IPV4_NO_PMTU_DISC, .ctl_name = NET_IPV4_NO_PMTU_DISC,