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-rw-r--r--net/ipv4/xfrm4_mode_beet.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/xfrm4_mode_beet.c b/net/ipv4/xfrm4_mode_beet.c
index 16efc66a7c3..f8544b7f02d 100644
--- a/net/ipv4/xfrm4_mode_beet.c
+++ b/net/ipv4/xfrm4_mode_beet.c
@@ -54,6 +54,8 @@ static int xfrm4_beet_output(struct xfrm_state *x, struct sk_buff *skb)
ph->padlen = 4 - (optlen & 4);
ph->hdrlen = (optlen + ph->padlen + sizeof(*ph)) / 8;
ph->nexthdr = top_iph->protocol;
+ if (ph->padlen)
+ memset(ph + 1, IPOPT_NOP, ph->padlen);
top_iph->protocol = IPPROTO_BEETPH;
top_iph->ihl = sizeof(struct iphdr) / 4;