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| author | Wolfram Sang <wsa@the-dreams.de> | 2018-05-17 16:29:19 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-05-17 16:29:19 +0200 |
| commit | 3d8b7a4ea310f3621a19d50cbe6cbc89bb23b82f (patch) | |
| tree | 51a261418928d8499ecade36f74e74fc92396503 /net/nsh | |
| parent | i2c: stm32f7: fix documentation typo (diff) | |
| parent | i2c: pnx: move header into the driver (diff) | |
| download | linux-3d8b7a4ea310f3621a19d50cbe6cbc89bb23b82f.tar.xz linux-3d8b7a4ea310f3621a19d50cbe6cbc89bb23b82f.zip | |
Merge branch 'i2c/platform_data-immutable' into i2c/for-4.18
Diffstat (limited to 'net/nsh')
| -rw-r--r-- | net/nsh/nsh.c | 4 |
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; |