[NETLINK]: Missing initializations in dumped data

Mostly missing initialization of padding fields of 1 or 2 bytes length,
two instances of uninitialized nlmsgerr->msg of 16 bytes length.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 8 insertions, 0 deletions

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 851eb927ed97..1beb782ac41b 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1598,6 +1598,8 @@ static int neightbl_fill_info(struct neigh_table *tbl, struct sk_buff *skb,
 
         read_lock_bh(&tbl->lock);
         ndtmsg->ndtm_family = tbl->family;
+        ndtmsg->ndtm_pad1   = 0;
+        ndtmsg->ndtm_pad2   = 0;
 
         RTA_PUT_STRING(skb, NDTA_NAME, tbl->id);
         RTA_PUT_MSECS(skb, NDTA_GC_INTERVAL, tbl->gc_interval);
@@ -1683,6 +1685,8 @@ static int neightbl_fill_param_info(struct neigh_table *tbl,
 
         read_lock_bh(&tbl->lock);
         ndtmsg->ndtm_family = tbl->family;
+        ndtmsg->ndtm_pad1   = 0;
+        ndtmsg->ndtm_pad2   = 0;
         RTA_PUT_STRING(skb, NDTA_NAME, tbl->id);
 
         if (neightbl_fill_parms(skb, parms) < 0)
@@ -1872,6 +1876,8 @@ static int neigh_fill_info(struct sk_buff *skb, struct neighbour *n,
         struct ndmsg *ndm = NLMSG_DATA(nlh);
 
         ndm->ndm_family  = n->ops->family;
+        ndm->ndm_pad1    = 0;
+        ndm->ndm_pad2    = 0;
         ndm->ndm_flags   = n->flags;
         ndm->ndm_type    = n->type;
         ndm->ndm_ifindex = n->dev->ifindex;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 879237c378f8..4b1bb30e6381 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -189,6 +189,7 @@ static int rtnetlink_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
         nlh = NLMSG_NEW(skb, pid, seq, type, sizeof(*r), flags);
         r = NLMSG_DATA(nlh);
         r->ifi_family = AF_UNSPEC;
+        r->__ifi_pad = 0;
         r->ifi_type = dev->type;
         r->ifi_index = dev->ifindex;
         r->ifi_flags = dev_get_flags(dev);
diff --git a/net/core/wireless.c b/net/core/wireless.c
index b2fe378dfbf8..3ff5639c0b78 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -1102,6 +1102,7 @@ static inline int rtnetlink_fill_iwinfo(struct sk_buff *	skb,
         nlh = NLMSG_PUT(skb, 0, 0, type, sizeof(*r));
         r = NLMSG_DATA(nlh);
         r->ifi_family = AF_UNSPEC;
+        r->__ifi_pad = 0;
         r->ifi_type = dev->type;
         r->ifi_index = dev->ifindex;
         r->ifi_flags = dev->flags;