From cb1cb5c47457ff2b604dac2da44cab4d39d11459 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 18 Aug 2008 21:31:24 -0700 Subject: [PATCH] netfilter: ctnetlink: fix sleep in read-side lock section Fix allocation with GFP_KERNEL in ctnetlink_create_conntrack() under read-side lock sections. This problem was introduced in 2.6.25. Signed-off-by: Pablo Neira Ayuso Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/netfilter/nf_conntrack_netlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index d1fb2f8555e8..a5b95ccb3ce7 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1139,7 +1139,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[], rcu_read_lock(); helper = __nf_ct_helper_find(rtuple); if (helper) { - help = nf_ct_helper_ext_add(ct, GFP_KERNEL); + help = nf_ct_helper_ext_add(ct, GFP_ATOMIC); if (help == NULL) { rcu_read_unlock(); err = -ENOMEM; -- GitLab