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Destroy task first when destroying catzs.

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When freeing catzs structures we need to kill the updater task first.
    Otherwise we might race with the updater and there might be a crash
    on shutdown.
This commit is contained in:
Ondřej Surý 2018-10-30 13:41:07 +01:00
parent 541872bf3b
commit c1d111cd2e
1 changed files with 2 additions and 2 deletions
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4
lib/dns/catz.c
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@ -795,7 +795,7 @@ dns_catz_catzs_detach(dns_catz_zones_t **catzsp) {
*catzsp = NULL;
if (isc_refcount_decrement(&catzs->refs) == 1) {
isc_refcount_destroy(&catzs->refs);
isc_task_destroy(&catzs->updater);
DESTROYLOCK(&catzs->lock);
if (catzs->zones != NULL) {
isc_ht_iter_t *iter = NULL;
@ -815,7 +815,7 @@ dns_catz_catzs_detach(dns_catz_zones_t **catzsp) {
INSIST(isc_ht_count(catzs->zones) == 0);
isc_ht_destroy(&catzs->zones);
}
isc_task_destroy(&catzs->updater);
isc_refcount_destroy(&catzs->refs);
isc_mem_putanddetach(&catzs->mctx, catzs, sizeof(*catzs));
}
}