From: Robin Geuze <robing@transip.nl>
Date: Wed, 16 Dec 2020 19:37:58 +0000 (+0100)
Subject: Clear the LMDB set state when performing a new lookup or list to prevent corruption... 
X-Git-Tag: auth-4.4.0^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F9884%2Fhead;p=thirdparty%2Fpdns.git

Clear the LMDB set state when performing a new lookup or list to prevent corruption cases
---

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index 020a275f17..2497eb63e1 100644
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -670,6 +670,11 @@ bool LMDBBackend::list(const DNSName &target, int id, bool include_disabled)
   }
 
   d_lookupdomain = target;
+
+  // Make sure we start with fresh data
+  d_currentrrset.clear();
+  d_currentrrsetpos = 0;
+
   return true;
 }
 
@@ -730,6 +735,10 @@ void LMDBBackend::lookup(const QType &type, const DNSName &qdomain, int zoneId,
   }
 
   d_lookupdomain = hunt;
+
+  // Make sure we start with fresh data
+  d_currentrrset.clear();
+  d_currentrrsetpos = 0;
 }