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Clear qctx->zversion

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Clear qctx->zversion when clearing qctx->zrdataset et al in
lib/ns/query.c:qctx_freedata.  The uncleared pointer could lead to
an assertion failure if zone data needed to be re-saved which could
happen with stale data support enabled.

(cherry picked from commit 179fb3532ab8d4898ab070b2db54c0ce872ef709)
This commit is contained in:
Mark Andrews 2024-01-16 14:25:27 +11:00 committed by Nicki Křížek
parent 1e6cf868dd
commit 9cfd20cd90
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lib/ns/query.c
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@ -5325,6 +5325,7 @@ qctx_freedata(query_ctx_t *qctx) {
ns_client_releasename(qctx->client, &qctx->zfname);
dns_db_detachnode(qctx->zdb, &qctx->znode);
dns_db_detach(&qctx->zdb);
qctx->zversion = NULL;
}
if (qctx->event != NULL && !qctx->client->nodetach) {