From: Robin Geuze <robing@transip.nl>
Date: Wed, 16 Dec 2020 19:45:37 +0000 (+0100)
Subject: Clear the LMDB set state when performing a new lookup or list to prevent corruption... 
X-Git-Tag: dnsdist-1.6.0-alpha1~29^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8e7491c099daf2643cecbc2b4565803e2696642;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 9f31242eae..241303d182 100644
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -679,6 +679,11 @@ 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;
 }
 
@@ -739,6 +744,10 @@ 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;
 }