diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2020-12-03 15:42:13 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-03 15:44:09 -0800 |
| commit | 55fd59b003f6e8fd88cf16590e79823d7ccf3026 (patch) | |
| tree | f23b2225f1a00b80632d612428708d5a57ad330b /net/core/skbuff.c | |
| parent | a4390e966f952510808b10ce7ae2a7dd2a08c0e5 (diff) | |
| parent | bbe2ba04c5a92a49db8a42c850a5a2f6481e47eb (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:
drivers/net/ethernet/ibm/ibmvnic.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 90d3423e6017..bfa5c9969393 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -5794,6 +5794,9 @@ int skb_mpls_dec_ttl(struct sk_buff *skb) if (unlikely(!eth_p_mpls(skb->protocol))) return -EINVAL; + if (!pskb_may_pull(skb, skb_network_offset(skb) + MPLS_HLEN)) + return -ENOMEM; + lse = be32_to_cpu(mpls_hdr(skb)->label_stack_entry); ttl = (lse & MPLS_LS_TTL_MASK) >> MPLS_LS_TTL_SHIFT; if (!--ttl) |