summaryrefslogtreecommitdiff
path: root/net/ipv6
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c5
-rw-r--r--net/ipv6/ip6_fib.c14
-rw-r--r--net/ipv6/ip6_gre.c3
-rw-r--r--net/ipv6/netfilter/ip6_tables.c4
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c2
-rw-r--r--net/ipv6/udp.c2
-rw-r--r--net/ipv6/udp_offload.c8
7 files changed, 20 insertions, 18 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 247bd4d8ee45..92db9b474f2b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5416,10 +5416,11 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
err = 0;
if (fillargs.ifindex) {
- err = -ENODEV;
dev = dev_get_by_index_rcu(tgt_net, fillargs.ifindex);
- if (!dev)
+ if (!dev) {
+ err = -ENODEV;
goto done;
+ }
idev = __in6_dev_get(dev);
if (idev)
err = in6_dump_addrs(idev, skb, cb,
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 5c558dc1c683..7209419cfb0e 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -651,19 +651,19 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
if (!w) {
/* New dump:
*
- * 1. hook callback destructor.
- */
- cb->args[3] = (long)cb->done;
- cb->done = fib6_dump_done;
-
- /*
- * 2. allocate and initialize walker.
+ * 1. allocate and initialize walker.
*/
w = kzalloc(sizeof(*w), GFP_ATOMIC);
if (!w)
return -ENOMEM;
w->func = fib6_dump_node;
cb->args[2] = (long)w;
+
+ /* 2. hook callback destructor.
+ */
+ cb->args[3] = (long)cb->done;
+ cb->done = fib6_dump_done;
+
}
arg.skb = skb;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index ca7e77e84283..c89aef524df9 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -528,6 +528,9 @@ static int ip6erspan_rcv(struct sk_buff *skb,
struct ip6_tnl *tunnel;
u8 ver;
+ if (unlikely(!pskb_may_pull(skb, sizeof(*ershdr))))
+ return PACKET_REJECT;
+
ipv6h = ipv6_hdr(skb);
ershdr = (struct erspan_base_hdr *)skb->data;
ver = ershdr->ver;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index fd9f049d6d41..636b360311c5 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1125,6 +1125,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct ip6t_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
@@ -1501,6 +1503,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct ip6t_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 1a51a44571c3..d0dcbaca1994 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -294,6 +294,7 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb,
}
skb_dst_drop(skb);
+ skb_orphan(skb);
return -EINPROGRESS;
insert_error:
@@ -469,7 +470,6 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
hdr = ipv6_hdr(skb);
fhdr = (struct frag_hdr *)skb_transport_header(skb);
- skb_orphan(skb);
fq = fq_find(net, fhdr->identification, user, hdr,
skb->dev ? skb->dev->ifindex : 0);
if (fq == NULL) {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 7c1e6469d091..8b1dd7f51249 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -447,7 +447,7 @@ csum_copy_err:
goto try_again;
}
-DEFINE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
+DECLARE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
void udpv6_encap_enable(void)
{
static_branch_inc(&udpv6_encap_needed_key);
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 312bcaeea96f..bbd347de00b4 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -174,13 +174,7 @@ INDIRECT_CALLABLE_SCOPE int udp6_gro_complete(struct sk_buff *skb, int nhoff)
skb_shinfo(skb)->gso_type |= (SKB_GSO_FRAGLIST|SKB_GSO_UDP_L4);
skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;
- if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
- if (skb->csum_level < SKB_MAX_CSUM_LEVEL)
- skb->csum_level++;
- } else {
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->csum_level = 0;
- }
+ __skb_incr_checksum_unnecessary(skb);
return 0;
}