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eigrpd: Fix possible use after free in nbr deletion

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Coverity is complaining about use after free's in
clearing eigrp neighbors.  Clean the code
up to not have the problem.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2025-03-27 09:03:52 -04:00
parent 2de45ca1b4
commit 694fb7f48f
1 changed files with 2 additions and 2 deletions
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4
eigrpd/eigrp_vty.c
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@ -333,7 +333,7 @@ DEFPY (clear_ip_eigrp_neighbors,
eigrp_hello_send(ei, EIGRP_HELLO_GRACEFUL_SHUTDOWN, NULL);
/* iterate over all neighbors on eigrp interface */
frr_each (eigrp_nbr_hash, &ei->nbr_hash_head, nbr) {
frr_each_safe (eigrp_nbr_hash, &ei->nbr_hash_head, nbr) {
if (nbr->state != EIGRP_NEIGHBOR_DOWN) {
zlog_debug(
"Neighbor %pI4 (%s) is down: manually cleared",
@ -393,7 +393,7 @@ DEFPY (clear_ip_eigrp_neighbors_int,
eigrp_hello_send(ei, EIGRP_HELLO_GRACEFUL_SHUTDOWN, NULL);
/* iterate over all neighbors on eigrp interface */
frr_each (eigrp_nbr_hash, &ei->nbr_hash_head, nbr) {
frr_each_safe (eigrp_nbr_hash, &ei->nbr_hash_head, nbr) {
if (nbr->state != EIGRP_NEIGHBOR_DOWN) {
zlog_debug(
"Neighbor %pI4 (%s) is down: manually cleared",