From: Shakya Sundar Das <shakya....@samsung.com>
This patch will check segs for being NULL in tcp_gso_segment()
before calling skb_shinfo(segs) from skb_is_gso(segs), otherwise
kernel can run into a NULL-pointer dereference.
Signed-off-by: Shakya Sundar Das <shakya....@samsung.com>
---
net/ipv4/tcp_offload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index bc68da3..93feefd 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -96,7 +96,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
skb->ooo_okay = 0;
segs = skb_segment(skb, features);
- if (IS_ERR(segs))
+ if (IS_ERR_OR_NULL(segs))
goto out;
/* Only first segment might have ooo_okay set */
--
1.7.9.5
