From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 7 Dec 2021 16:41:22 +0000 (+0100)
Subject: dnsdist: Fix a double-free when a DoH cross-protocol response is dropped
X-Git-Tag: auth-4.7.0-alpha1~122^2~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbd2a418d299891e5af3b2376f41bb7464dae45d;p=thirdparty%2Fpdns.git

dnsdist: Fix a double-free when a DoH cross-protocol response is dropped
---

diff --git a/pdns/dnsdistdist/doh.cc b/pdns/dnsdistdist/doh.cc
index 3bfd66a008..6c125fdf24 100644
--- a/pdns/dnsdistdist/doh.cc
+++ b/pdns/dnsdistdist/doh.cc
@@ -459,6 +459,7 @@ public:
 
     if (!processResponse(du->response, localRespRuleActions, dr, false, false)) {
       du->release();
+      du = nullptr;
       return;
     }