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Merge pull request #18558 from spoignant-proton/master

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bgpd: flowspec: remove sizelimit check applied to the wrong length field (issue 18557)
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Donatas Abraitis 2025-04-07 03:27:02 +03:00 committed by GitHub
parent 259ffe1dfe 2cee5567bc
commit 5e092d0e25
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3 changed files with 0 additions and 9 deletions
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7
bgpd/bgp_flowspec.c
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@ -105,13 +105,6 @@ int bgp_nlri_parse_flowspec(struct peer *peer, struct attr *attr,
if (!attr)
withdraw = true;
if (packet->length >= FLOWSPEC_NLRI_SIZELIMIT_EXTENDED) {
flog_err(EC_BGP_FLOWSPEC_PACKET,
"BGP flowspec nlri length maximum reached (%u)",
packet->length);
return BGP_NLRI_PARSE_ERROR_FLOWSPEC_NLRI_SIZELIMIT;
}
for (; pnt < lim; pnt += psize) {
/* Clear prefix structure. */
memset(&p, 0, sizeof(p));

1
bgpd/bgp_flowspec_private.h
View file

@ -7,7 +7,6 @@
#define _FRR_BGP_FLOWSPEC_PRIVATE_H
#define FLOWSPEC_NLRI_SIZELIMIT 240
#define FLOWSPEC_NLRI_SIZELIMIT_EXTENDED 4095
/* Flowspec raffic action bit*/
#define FLOWSPEC_TRAFFIC_ACTION_TERMINAL 1

1
bgpd/bgp_route.h
View file

@ -88,7 +88,6 @@ enum bgp_show_adj_route_type {
#define BGP_NLRI_PARSE_ERROR_EVPN_TYPE4_SIZE -9
#define BGP_NLRI_PARSE_ERROR_EVPN_TYPE5_SIZE -10
#define BGP_NLRI_PARSE_ERROR_FLOWSPEC_IPV6_NOT_SUPPORTED -11
#define BGP_NLRI_PARSE_ERROR_FLOWSPEC_NLRI_SIZELIMIT -12
#define BGP_NLRI_PARSE_ERROR_FLOWSPEC_BAD_FORMAT -13
#define BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY -14
#define BGP_NLRI_PARSE_ERROR_EVPN_TYPE1_SIZE -15