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use read lock in rdataset_getownercase()

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we were incorrectly write-locking the node when retrieving
the owner case of an rdataset.
This commit is contained in:
Evan Hunt 2023-08-03 12:51:41 -07:00
parent c3fbcda5a1
commit b3c2b64662
1 changed files with 2 additions and 2 deletions
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4
lib/dns/rdataslab.c
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@ -1476,7 +1476,7 @@ rdataset_getownercase(const dns_rdataset_t *rdataset, dns_name_t *name) {
uint8_t mask = (1 << 7);
uint8_t bits = 0;
dns_db_locknode(header->db, header->node, isc_rwlocktype_write);
dns_db_locknode(header->db, header->node, isc_rwlocktype_read);
if (!CASESET(header)) {
goto unlock;
@ -1499,5 +1499,5 @@ rdataset_getownercase(const dns_rdataset_t *rdataset, dns_name_t *name) {
}
unlock:
dns_db_unlocknode(header->db, header->node, isc_rwlocktype_write);
dns_db_unlocknode(header->db, header->node, isc_rwlocktype_read);
}