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zebra: delete ipv6 RA prefix entries when zebra is killed

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Memory leak found where ipv6 global prefixes added to the router
advertisement prefix lists were not deleted when the process was
killed.

Signed-off-by: Don Slice <dslice@cumulusnetworks.com>
This commit is contained in:
Don Slice 2020-03-10 10:57:30 +00:00
parent e14175b8a1
commit 5a7aea851d
1 changed files with 15 additions and 2 deletions
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17
zebra/rtadv.c
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@ -1118,18 +1118,31 @@ void rtadv_stop_ra(struct interface *ifp)
}
/*
* send router lifetime value of zero in RAs on all interfaces since we're
* Send router lifetime value of zero in RAs on all interfaces since we're
* ceasing to advertise globally and want to let all of our neighbors know
* RFC 4861 secion 6.2.5
*
* Delete all ipv6 global prefixes added to the router advertisement prefix
* lists prior to ceasing.
*/
void rtadv_stop_ra_all(void)
{
struct vrf *vrf;
struct interface *ifp;
struct listnode *node, *nnode;
struct zebra_if *zif;
struct rtadv_prefix *rprefix;
RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name)
FOR_ALL_INTERFACES (vrf, ifp)
FOR_ALL_INTERFACES (vrf, ifp) {
zif = ifp->info;
for (ALL_LIST_ELEMENTS(zif->rtadv.AdvPrefixList,
node, nnode, rprefix))
rtadv_prefix_reset(zif, rprefix);
rtadv_stop_ra(ifp);
}
}
void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS)