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Searching catzs->zones requires a read lock

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Lock the catzs->lock mutex before searching in the catzs->zones
hash table.

(cherry picked from commit 0ef0c86632)
This commit is contained in:
Aram Sargsyan 2023-01-27 18:04:41 +00:00 committed by Arаm Sаrgsyаn
parent a719647023
commit 00569f62b3
1 changed files with 2 additions and 0 deletions
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2
lib/dns/catz.c
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@ -890,8 +890,10 @@ dns_catz_get_zone(dns_catz_zones_t *catzs, const dns_name_t *name) {
REQUIRE(DNS_CATZ_ZONES_VALID(catzs));
REQUIRE(ISC_MAGIC_VALID(name, DNS_NAME_MAGIC));
LOCK(&catzs->lock);
result = isc_ht_find(catzs->zones, name->ndata, name->length,
(void **)&found);
UNLOCK(&catzs->lock);
if (result != ISC_R_SUCCESS) {
return (NULL);
}