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Merge pull request #12765 from FRRouting/mergify/bp/dev/8.5/pr-12761

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bgpd: fix use-after-free crash for evpn (backport #12761)
This commit is contained in:
Donatas Abraitis 2023-02-08 13:54:29 +02:00 committed by GitHub
commit fb2c52d15d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 7 deletions
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25
bgpd/bgp_evpn_vty.c
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@ -6896,15 +6896,17 @@ DEFUN (bgp_evpn_vni_rt,
return CMD_WARNING;
}
ecomadd = ecommunity_str2com(argv[2]->arg, ECOMMUNITY_ROUTE_TARGET, 0);
if (!ecomadd) {
vty_out(vty, "%% Malformed Route Target list\n");
return CMD_WARNING;
}
ecommunity_str(ecomadd);
/* Add/update the import route-target */
if (rt_type == RT_TYPE_BOTH || rt_type == RT_TYPE_IMPORT) {
/* Note that first of the two RTs is created for "both" type */
ecomadd = ecommunity_str2com(argv[2]->arg,
ECOMMUNITY_ROUTE_TARGET, 0);
if (!ecomadd) {
vty_out(vty, "%% Malformed Route Target list\n");
return CMD_WARNING;
}
ecommunity_str(ecomadd);
/* Do nothing if we already have this import route-target */
if (!bgp_evpn_rt_matches_existing(vpn->import_rtl, ecomadd))
evpn_configure_import_rt(bgp, vpn, ecomadd);
@ -6912,6 +6914,15 @@ DEFUN (bgp_evpn_vni_rt,
/* Add/update the export route-target */
if (rt_type == RT_TYPE_BOTH || rt_type == RT_TYPE_EXPORT) {
/* Note that second of the two RTs is created for "both" type */
ecomadd = ecommunity_str2com(argv[2]->arg,
ECOMMUNITY_ROUTE_TARGET, 0);
if (!ecomadd) {
vty_out(vty, "%% Malformed Route Target list\n");
return CMD_WARNING;
}
ecommunity_str(ecomadd);
/* Do nothing if we already have this export route-target */
if (!bgp_evpn_rt_matches_existing(vpn->export_rtl, ecomadd))
evpn_configure_export_rt(bgp, vpn, ecomadd);