2.6.36-stable review patch.  If anyone has any objections, please let us know.

------------------

From: andrew hendry <[email protected]>

commit a6331d6f9a4298173b413cf99a40cc86a9d92c37 upstream.

Signed-of-by: Andrew Hendry <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 net/x25/x25_facilities.c |    8 ++++----
 net/x25/x25_in.c         |    2 ++
 2 files changed, 6 insertions(+), 4 deletions(-)

--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -134,15 +134,15 @@ int x25_parse_facilities(struct sk_buff
                case X25_FAC_CLASS_D:
                        switch (*p) {
                        case X25_FAC_CALLING_AE:
-                               if (p[1] > X25_MAX_DTE_FACIL_LEN)
-                                       break;
+                               if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
+                                       return 0;
                                dte_facs->calling_len = p[2];
                                memcpy(dte_facs->calling_ae, &p[3], p[1] - 1);
                                *vc_fac_mask |= X25_MASK_CALLING_AE;
                                break;
                        case X25_FAC_CALLED_AE:
-                               if (p[1] > X25_MAX_DTE_FACIL_LEN)
-                                       break;
+                               if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
+                                       return 0;
                                dte_facs->called_len = p[2];
                                memcpy(dte_facs->called_ae, &p[3], p[1] - 1);
                                *vc_fac_mask |= X25_MASK_CALLED_AE;
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -119,6 +119,8 @@ static int x25_state1_machine(struct soc
                                                &x25->vc_facil_mask);
                        if (len > 0)
                                skb_pull(skb, len);
+                       else
+                               return -1;
                        /*
                         *      Copy any Call User Data.
                         */


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