Cid 1636504 (backport #18062) #18124
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Remove the num_labels variable, the received bgp_update() and bgp_withdraw() function will read the message as including one label or vni value. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com> (cherry picked from commit 82d28f1)
The following static analysis can be seen : > *** CID 1636504: (ARRAY_VS_SINGLETON) > /bgpd/bgp_evpn_mh.c: 1241 in bgp_evpn_type1_route_process() > 1235 build_evpn_type1_prefix(&p, eth_tag, &esi, vtep_ip); > 1236 /* Process the route. */ > 1237 if (attr) { > 1238 bgp_update(peer, (struct prefix *)&p, addpath_id, attr, afi, safi, ZEBRA_ROUTE_BGP, > 1239 BGP_ROUTE_NORMAL, &prd, &label, num_labels, 0, NULL); > 1240 } else { > >>> CID 1636504: (ARRAY_VS_SINGLETON) > >>> Passing "&label" to function "bgp_withdraw" which uses it as an array. This might corrupt or misinterpret adjacent memory locations. > 1241 bgp_withdraw(peer, (struct prefix *)&p, addpath_id, afi, safi, ZEBRA_ROUTE_BGP, > 1242 BGP_ROUTE_NORMAL, &prd, &label, num_labels); > 1243 } > 1244 return 0; > 1245 } > 1246 > /bgpd/bgp_evpn_mh.c: 1238 in bgp_evpn_type1_route_process() > 1232 * table > 1233 */ > 1234 vtep_ip.s_addr = INADDR_ANY; > 1235 build_evpn_type1_prefix(&p, eth_tag, &esi, vtep_ip); > 1236 /* Process the route. */ > 1237 if (attr) { > >>> CID 1636504: (ARRAY_VS_SINGLETON) > >>> Passing "&label" to function "bgp_update" which uses it as an array. This might corrupt or misinterpret adjacent memory locations. > 1238 bgp_update(peer, (struct prefix *)&p, addpath_id, attr, afi, safi, ZEBRA_ROUTE_BGP, > 1239 BGP_ROUTE_NORMAL, &prd, &label, num_labels, 0, NULL); > 1240 } else { > 1241 bgp_withdraw(peer, (struct prefix *)&p, addpath_id, afi, safi, ZEBRA_ROUTE_BGP, > 1242 BGP_ROUTE_NORMAL, &prd, &label, num_labels); > 1243 } Fix this by declaring a label array instead of a single array. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com> (cherry picked from commit ba462af)
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The following static analysis can be seen :
Fix this by declaring a label array instead of a single array.
This is an automatic backport of pull request #18062 done by [Mergify](https://mergify.com).