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- Fix that malloc failure in auth-zone insert rr does

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not create an empty node and does not cause an infinite
  loop. Thanks to Qifan Zhang, Palo Alto Networks, for
  the report.
This commit is contained in:
W.C.A. Wijngaards
2026-06-17 15:16:21 +02:00
parent b47b1d048d
commit 78d9cfffd8
2 changed files with 9 additions and 1 deletions
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doc/Changelog
+4
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@@ -7,6 +7,10 @@
- Fix that unbound-checkconf checks if an auth-zone download
can overwrite another file, by filename collision.
Thanks to Qifan Zhang, Palo Alto Networks, for the report.
- Fix that malloc failure in auth-zone insert rr does
not create an empty node and does not cause an infinite
loop. Thanks to Qifan Zhang, Palo Alto Networks, for
the report.
16 June 2026: Wouter
- Fix to disallow $INCLUDE for secondary zones. Start up
services/authzone.c
+5 -1
View File
@@ -1204,6 +1204,10 @@ az_insert_rr(struct auth_zone* z, uint8_t* rr, size_t rr_len,
if(!az_domain_add_rr(node, rr_type, rr_ttl, rdata, rdatalen,
duplicate)) {
log_err("cannot add RR to domain");
if(node->rrsets == NULL) {
(void)rbtree_delete(&z->data, node);
auth_data_delete(node);
}
return 0;
}
if(z->rpz) {
@@ -2703,7 +2707,7 @@ az_empty_nonterminal(struct auth_zone* z, struct query_info* qinfo,
while(next && (rbnode_type*)next != RBTREE_NULL && next->rrsets == NULL) {
/* the next name has empty rrsets, is an empty nonterminal
* itself, see if there exists something below it */
next = (struct auth_data*)rbtree_next(&node->node);
next = (struct auth_data*)rbtree_next(&next->node);
}
if((rbnode_type*)next == RBTREE_NULL || !next) {
/* there is no next node, so something below it cannot