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authorThomas Gleixner <tglx@linutronix.de>2018-05-19 13:55:40 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-05-19 13:55:40 +0200
commitb563ea676a46f3a297b1e64b6ece25b934aafba5 (patch)
tree7b18cca93a853b253375d0a3f1cb5af242771768 /net/nsh/nsh.c
parent4fe581d7f114d56f31f392448477cff5a4394065 (diff)
parent73fcb1a370c76b202d406e95d9dabb76eaccf484 (diff)
downloadlwn-b563ea676a46f3a297b1e64b6ece25b934aafba5.tar.gz
lwn-b563ea676a46f3a297b1e64b6ece25b934aafba5.zip
Merge branch 'linus' into timers/2038
Merge upstream to pick up changes on which pending patches depend on.
Diffstat (limited to 'net/nsh/nsh.c')
-rw-r--r--net/nsh/nsh.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/nsh/nsh.c b/net/nsh/nsh.c
index d7da99a0b0b8..9696ef96b719 100644
--- a/net/nsh/nsh.c
+++ b/net/nsh/nsh.c
@@ -57,6 +57,8 @@ int nsh_pop(struct sk_buff *skb)
return -ENOMEM;
nh = (struct nshhdr *)(skb->data);
length = nsh_hdr_len(nh);
+ if (length < NSH_BASE_HDR_LEN)
+ return -EINVAL;
inner_proto = tun_p_to_eth_p(nh->np);
if (!pskb_may_pull(skb, length))
return -ENOMEM;
@@ -90,6 +92,8 @@ static struct sk_buff *nsh_gso_segment(struct sk_buff *skb,
if (unlikely(!pskb_may_pull(skb, NSH_BASE_HDR_LEN)))
goto out;
nsh_len = nsh_hdr_len(nsh_hdr(skb));
+ if (nsh_len < NSH_BASE_HDR_LEN)
+ goto out;
if (unlikely(!pskb_may_pull(skb, nsh_len)))
goto out;