1 files changed, 8 insertions, 1 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 8225e4257258..f37a50e55b68 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -435,7 +435,14 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
         int nsize, old_factor;
         u16 flags;
 
-        BUG_ON(len >= skb->len);
+        if (unlikely(len >= skb->len)) {
+                printk(KERN_DEBUG "TCP: seg_size=%u, mss=%u, seq=%u, "
+                       "end_seq=%u, skb->len=%u.\n", len, mss_now,
+                       TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq,
+                       skb->len);
+                WARN_ON(1);
+                return 0;
+        }
 
         nsize = skb_headlen(skb) - len;
         if (nsize < 0)