summaryrefslogtreecommitdiff
path: root/net/x25/x25_dev.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-20 22:15:20 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-20 22:15:20 +0300
commit505f48b53478d3816d1f3b001815703cfd7afa09 (patch)
tree9ed8ce0cf58811c70f064c6862cfb68d98178fd8 /net/x25/x25_dev.c
parent486cf46f3f9be5f2a966016c1a8fe01e32cde09e (diff)
parentafaef734e5f0004916d07ecf7d86292cdd00d59b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: fib_rules: fix unresolved_rules counting r8169: fix wrong eee setting for rlt8111evl r8169: fix driver shutdown WoL regression. ehea: Change maintainer to me pptp: pptp_rcv_core() misses pskb_may_pull() call tproxy: copy transparent flag when creating a time wait pptp: fix skb leak in pptp_xmit() bonding: use local function pointer of bond->recv_probe in bond_handle_frame smsc911x: Add support for SMSC LAN89218 tg3: negate USE_PHYLIB flag check netconsole: enable netconsole can make net_device refcnt incorrent bluetooth: Properly clone LSM attributes to newly created child connections l2tp: fix a potential skb leak in l2tp_xmit_skb() bridge: fix hang on removal of bridge via netlink x25: Prevent skb overreads when checking call user data x25: Handle undersized/fragmented skbs x25: Validate incoming call user data lengths udplite: fast-path computation of checksum coverage IPVS netns shutdown/startup dead-lock netfilter: nf_conntrack: fix event flooding in GRE protocol tracker
Diffstat (limited to 'net/x25/x25_dev.c')
-rw-r--r--net/x25/x25_dev.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index e547ca1578c..fa2b41888bd 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -32,6 +32,9 @@ static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb)
unsigned short frametype;
unsigned int lci;
+ if (!pskb_may_pull(skb, X25_STD_MIN_LEN))
+ return 0;
+
frametype = skb->data[2];
lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);
@@ -115,6 +118,9 @@ int x25_lapb_receive_frame(struct sk_buff *skb, struct net_device *dev,
goto drop;
}
+ if (!pskb_may_pull(skb, 1))
+ return 0;
+
switch (skb->data[0]) {
case X25_IFACE_DATA: