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-rw-r--r--net/ipv4/tcp_output.c9
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)