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| author | Jorge Boncompte [DTI2] <jorge@dti2.net> | 2009-03-18 23:26:11 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-18 23:26:11 -0700 |
| commit | 2bad35b7c9588eb5e65c03bcae54e7eb6b1a6504 (patch) | |
| tree | 1a0dff781b3d756470845b58cade9c9b074fadb4 | |
| parent | e4a389a9b5c892446b5de2038bdc0cca8703c615 (diff) | |
| download | linux-2bad35b7c9588eb5e65c03bcae54e7eb6b1a6504.tar.bz2 | |
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>
| -rw-r--r-- | net/ipv4/ip_fragment.c | 3 | ||||
| -rw-r--r-- | net/ipv6/reassembly.c | 7 |
2 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 6659ac000eeb..7985346653bd 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; diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 3c575118fca5..e9ac7a12f595 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -452,6 +452,7 @@ err: static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, struct net_device *dev) { + struct net *net = container_of(fq->q.net, struct net, ipv6.frags); struct sk_buff *fp, *head = fq->q.fragments; int payload_len; unsigned int nhoff; @@ -551,8 +552,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, head->csum); rcu_read_lock(); - IP6_INC_STATS_BH(dev_net(dev), - __in6_dev_get(dev), IPSTATS_MIB_REASMOKS); + IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMOKS); rcu_read_unlock(); fq->q.fragments = NULL; return 1; @@ -566,8 +566,7 @@ out_oom: printk(KERN_DEBUG "ip6_frag_reasm: no memory for reassembly\n"); out_fail: rcu_read_lock(); - IP6_INC_STATS_BH(dev_net(dev), - __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS); + IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS); rcu_read_unlock(); return -1; } |