VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

More than 9999 Commits   33 Branches   55 Tags
author: Taehee Yoo <ap420073@gmail.com> 2021-07-09 17:35:18 +0000 committer: David S. Miller <davem@davemloft.net> 2021-07-09 13:55:53 -0700 commit: 67a9c94317402b826fc3db32afc8f39336803d97 parent: 9992a078b1771da354ac1f9737e1e639b687caa2
Commit Summary:
net: validate lwtstate->data before returning from skb_tunnel_info()
Diffstat:
1 file changed, 3 insertions, 1 deletion
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index 56cb3c38569a..14efa0ded75d 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -45,7 +45,9 @@ skb_tunnel_info(const struct sk_buff *skb)
 		return &md_dst->u.tun_info;
 
 	dst = skb_dst(skb);
-	if (dst && dst->lwtstate)
+	if (dst && dst->lwtstate &&
+	    (dst->lwtstate->type == LWTUNNEL_ENCAP_IP ||
+	     dst->lwtstate->type == LWTUNNEL_ENCAP_IP6))
 		return lwt_tun_info(dst->lwtstate);
 
 	return NULL;