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authorJorge Boncompte [DTI2] <jorge@dti2.net>2009-03-18 23:26:11 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-18 23:26:11 -0700
commit2bad35b7c9588eb5e65c03bcae54e7eb6b1a6504 (patch)
tree1a0dff781b3d756470845b58cade9c9b074fadb4 /net/ipv4
parente4a389a9b5c892446b5de2038bdc0cca8703c615 (diff)
netns: oops in ip[6]_frag_reasm incrementing stats
dev can be NULL in ip[6]_frag_reasm for skb's coming from RAW sockets. Quagga's OSPFD sends fragmented packets on a RAW socket, when netfilter conntrack reassembles them on the OUTPUT path you hit this code path. You can test it with something like "hping2 -0 -d 2000 -f AA.BB.CC.DD" With help from Jarek Poplawski. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ip_fragment.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 6659ac000ee..7985346653b 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -463,6 +463,7 @@ err:
static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
struct net_device *dev)
{
+ struct net *net = container_of(qp->q.net, struct net, ipv4.frags);
struct iphdr *iph;
struct sk_buff *fp, *head = qp->q.fragments;
int len;
@@ -548,7 +549,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
iph = ip_hdr(head);
iph->frag_off = 0;
iph->tot_len = htons(len);
- IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMOKS);
+ IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS);
qp->q.fragments = NULL;
return 0;