From: W.C.A. Wijngaards <wouter@nlnetlabs.nl>
Date: Thu, 22 Oct 2020 11:20:00 +0000 (+0200)
Subject: zonemd, fix to harden against failure in pickup zonemd lookups.
X-Git-Tag: release-1.13.2rc1~269^2~36
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=6ea1ae17f71327ad7ec21a0948d847bb1cc6fe29;p=thirdparty%2Funbound.git

zonemd, fix to harden against failure in pickup zonemd lookups.
---

diff --git a/services/authzone.c b/services/authzone.c
index 4adf90c4f..29780e72f 100644
--- a/services/authzone.c
+++ b/services/authzone.c
@@ -8171,6 +8171,8 @@ void auth_zones_pickup_zonemd_verify(struct auth_zones* az,
 		key.namelen = savezname_len;
 		key.name = savezname;
 		z = (struct auth_zone*)rbtree_search(&az->ztree, &key);
+		if(!z)
+			break;
 	}
 	lock_rw_unlock(&az->lock);
 }