diff options
author | Konstantin Khlebnikov <koct9i@gmail.com> | 2015-12-01 01:14:48 +0300 |
---|---|---|
committer | Jiri Slaby <jslaby@suse.cz> | 2016-01-05 16:11:15 +0100 |
commit | 18e7027fea6a8487e2dd627624de1ade82e793a5 (patch) | |
tree | b8c204fb4f7bd6e65f78dd2016cfec814e8df75f /net/core | |
parent | 71781d1f85bc02bcdb29b18e9e76f1d49118ddc8 (diff) |
net/neighbour: fix crash at dumping device-agnostic proxy entries
[ Upstream commit 6adc5fd6a142c6e2c80574c1db0c7c17dedaa42e ]
Proxy entries could have null pointer to net-device.
Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Fixes: 84920c1420e2 ("net: Allow ipv6 proxies and arp proxies be shown with iproute2")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/neighbour.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 7453923dc507..7957daa334cc 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2210,7 +2210,7 @@ static int pneigh_fill_info(struct sk_buff *skb, struct pneigh_entry *pn, ndm->ndm_pad2 = 0; ndm->ndm_flags = pn->flags | NTF_PROXY; ndm->ndm_type = NDA_DST; - ndm->ndm_ifindex = pn->dev->ifindex; + ndm->ndm_ifindex = pn->dev ? pn->dev->ifindex : 0; ndm->ndm_state = NUD_NONE; if (nla_put(skb, NDA_DST, tbl->key_len, pn->key)) @@ -2284,7 +2284,7 @@ static int pneigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb, if (h > s_h) s_idx = 0; for (n = tbl->phash_buckets[h], idx = 0; n; n = n->next) { - if (dev_net(n->dev) != net) + if (pneigh_net(n) != net) continue; if (idx < s_idx) goto next; |