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Use RTA_MAX_SIZE in rta_do_cow()

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This allows to modify MPLS label stack in filters. Fixes a bug in
handling of 'gw_mpls' attribute.
This commit is contained in:
Ondrej Zajicek 2023-03-14 16:02:32 +01:00
parent 108c4cfaf3
commit 63f1c4d918
1 changed files with 1 additions and 1 deletions
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2
nest/rt-attr.c
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@ -1264,7 +1264,7 @@ rta__free(rta *a)
rta * rta *
rta_do_cow(rta *o, linpool *lp) rta_do_cow(rta *o, linpool *lp)
{ {
rta *r = lp_alloc(lp, rta_size(o)); rta *r = lp_alloc(lp, RTA_MAX_SIZE);
memcpy(r, o, rta_size(o)); memcpy(r, o, rta_size(o));
for (struct nexthop **nhn = &(r->nh.next), *nho = o->nh.next; nho; nho = nho->next) for (struct nexthop **nhn = &(r->nh.next), *nho = o->nh.next; nho; nho = nho->next)
{ {