Nest: Fix corner case in recursive next hop lookup
Thanks to Svenne Krap for the bugreport.
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1 changed files with 6 additions and 6 deletions
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@ -2392,12 +2392,13 @@ static int
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rt_update_hostentry(rtable *tab, struct hostentry *he)
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{
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rta *old_src = he->src;
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int direct = 0;
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int pxlen = 0;
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/* Reset the hostentry */
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he->src = NULL;
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he->nexthop_linkable = 0;
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he->dest = RTD_UNREACHABLE;
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he->nexthop_linkable = 0;
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he->igp_metric = 0;
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net_addr he_addr;
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@ -2417,9 +2418,7 @@ rt_update_hostentry(rtable *tab, struct hostentry *he)
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goto done;
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}
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he->dest = a->dest;
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he->nexthop_linkable = 1;
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if (he->dest == RTD_UNICAST)
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if (a->dest == RTD_UNICAST)
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{
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for (struct nexthop *nh = &(a->nh); nh; nh = nh->next)
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if (ipa_zero(nh->gw))
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@ -2432,12 +2431,13 @@ rt_update_hostentry(rtable *tab, struct hostentry *he)
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goto done;
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}
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he->nexthop_linkable = 0;
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break;
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direct++;
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}
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}
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he->src = rta_clone(a);
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he->dest = a->dest;
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he->nexthop_linkable = !direct;
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he->igp_metric = rt_get_igp_metric(e);
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}
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