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Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_multicast.c28
-rw-r--r--net/bridge/br_stp_bpdu.c2
-rw-r--r--net/can/bcm.c4
-rw-r--r--net/ipv4/route.c8
4 files changed, 28 insertions, 14 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index f03e2e98cd44..f701a21acb34 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1451,7 +1451,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
struct net_bridge_port *port,
struct sk_buff *skb)
{
- struct sk_buff *skb2 = skb;
+ struct sk_buff *skb2;
struct ipv6hdr *ip6h;
struct icmp6hdr *icmp6h;
u8 nexthdr;
@@ -1490,15 +1490,15 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
if (!skb2)
return -ENOMEM;
+ err = -EINVAL;
+ if (!pskb_may_pull(skb2, offset + sizeof(struct icmp6hdr)))
+ goto out;
+
len -= offset - skb_network_offset(skb2);
__skb_pull(skb2, offset);
skb_reset_transport_header(skb2);
- err = -EINVAL;
- if (!pskb_may_pull(skb2, sizeof(*icmp6h)))
- goto out;
-
icmp6h = icmp6_hdr(skb2);
switch (icmp6h->icmp6_type) {
@@ -1537,7 +1537,12 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
switch (icmp6h->icmp6_type) {
case ICMPV6_MGM_REPORT:
{
- struct mld_msg *mld = (struct mld_msg *)icmp6h;
+ struct mld_msg *mld;
+ if (!pskb_may_pull(skb2, sizeof(*mld))) {
+ err = -EINVAL;
+ goto out;
+ }
+ mld = (struct mld_msg *)skb_transport_header(skb2);
BR_INPUT_SKB_CB(skb2)->mrouters_only = 1;
err = br_ip6_multicast_add_group(br, port, &mld->mld_mca);
break;
@@ -1550,15 +1555,18 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
break;
case ICMPV6_MGM_REDUCTION:
{
- struct mld_msg *mld = (struct mld_msg *)icmp6h;
+ struct mld_msg *mld;
+ if (!pskb_may_pull(skb2, sizeof(*mld))) {
+ err = -EINVAL;
+ goto out;
+ }
+ mld = (struct mld_msg *)skb_transport_header(skb2);
br_ip6_multicast_leave_group(br, port, &mld->mld_mca);
}
}
out:
- __skb_push(skb2, offset);
- if (skb2 != skb)
- kfree_skb(skb2);
+ kfree_skb(skb2);
return err;
}
#endif
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 3d9a55d3822f..289646ec9b7b 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -50,6 +50,8 @@ static void br_send_bpdu(struct net_bridge_port *p,
llc_mac_hdr_init(skb, p->dev->dev_addr, p->br->group_addr);
+ skb_reset_mac_header(skb);
+
NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
dev_queue_xmit);
}
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 6faa8256e10c..9d5e8accfab1 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -125,7 +125,7 @@ struct bcm_sock {
struct list_head tx_ops;
unsigned long dropped_usr_msgs;
struct proc_dir_entry *bcm_proc_read;
- char procname [20]; /* pointer printed in ASCII with \0 */
+ char procname [32]; /* inode number in decimal with \0 */
};
static inline struct bcm_sock *bcm_sk(const struct sock *sk)
@@ -1521,7 +1521,7 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len,
if (proc_dir) {
/* unique socket address as filename */
- sprintf(bo->procname, "%p", sock);
+ sprintf(bo->procname, "%lu", sock_i_ino(sk));
bo->bcm_proc_read = proc_create_data(bo->procname, 0644,
proc_dir,
&bcm_proc_fops, sk);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f1defb7d88e8..351dc4e85242 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2626,8 +2626,12 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp,
}
if (res.type == RTN_LOCAL) {
- if (!fl.fl4_src)
- fl.fl4_src = fl.fl4_dst;
+ if (!fl.fl4_src) {
+ if (res.fi->fib_prefsrc)
+ fl.fl4_src = res.fi->fib_prefsrc;
+ else
+ fl.fl4_src = fl.fl4_dst;
+ }
dev_out = net->loopback_dev;
fl.oif = dev_out->ifindex;
res.fi = NULL;