From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 3 May 2023 15:55:34 +0000 (+0200)
Subject: dnsdist: Add a TSAN suppression for the backend re-connection code
X-Git-Tag: rec-4.9.0-beta1~7^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F12726%2Fhead;p=thirdparty%2Fpdns.git

dnsdist: Add a TSAN suppression for the backend re-connection code
---

diff --git a/pdns/dnsdistdist/dnsdist-tsan.supp b/pdns/dnsdistdist/dnsdist-tsan.supp
index d597a72af7..8443ab5319 100644
--- a/pdns/dnsdistdist/dnsdist-tsan.supp
+++ b/pdns/dnsdistdist/dnsdist-tsan.supp
@@ -17,3 +17,8 @@ race:DownstreamState::stop
 race:DownstreamState::submitHealthCheckResult
 race:DownstreamState::healthCheckRequired
 race:carbonDumpThread
+# There is a slight race when we detect an error and
+# re-connect a backend, where the UDP responder thread
+# can still be looking at the existing socket descriptors.
+# Actually writing to these is protected by a mutex, though.
+race:DownstreamState::reconnect