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Merge pull request #18254 from LabNConsulting/aceelindem/ospf6-abr-calc-addr-sanity

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ospf6d: Fix use after free of router in OSPFv3 ABR route calculation.
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Donald Sharp 2025-02-26 12:47:57 -05:00 committed by GitHub
commit 598eaf37f8
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1 changed files with 6 additions and 0 deletions
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6
ospf6d/ospf6_intra.c
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@ -2194,9 +2194,15 @@ void ospf6_intra_brouter_calculation(struct ospf6_area *oa)
zlog_info("%s: brouter %s appears via area %s",
__func__, brouter_name, oa->name);
ospf6_route_lock(brouter);
/* newly added */
if (hook_add)
(*hook_add)(brouter);
if (CHECK_FLAG(brouter->flag, OSPF6_ROUTE_WAS_REMOVED)) {
ospf6_route_unlock(brouter);
brouter = NULL;
} else
ospf6_route_unlock(brouter);
} else {
if (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ID(
brouter_id)