2019-07-11 22:34:41 +08:00
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--- a/net/netfilter/nf_nat_core.c
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+++ b/net/netfilter/nf_nat_core.c
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2020-04-14 19:58:06 +08:00
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@@ -95,6 +95,8 @@ int nf_xfrm_me_harder(struct net *net, s
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2019-07-11 22:34:41 +08:00
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return err;
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dst = skb_dst(skb);
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+ if (!dst)
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+ return -EHOSTUNREACH;
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if (dst->xfrm)
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dst = ((struct xfrm_dst *)dst)->route;
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if (!dst_hold_safe(dst))
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