Add release note for #1937

diff --git a/doc/notes/notes-9.16.5.rst b/doc/notes/notes-9.16.5.rst
index 87a619b3411d8b9741a00b323e9f253a13680cbd..5fe8c43cf0824156bb281d0d2fb489cd847967d5 100644 (file)
--- a/doc/notes/notes-9.16.5.rst
+++ b/doc/notes/notes-9.16.5.rst
@@ -21,6 +21,11 @@ New Features
 Bug Fixes
 ~~~~~~~~~
 
+- A race condition could occur if a TCP socket connection was closed
+  while ``named`` was waiting for a recursive response. The attempt to
+  send a response over the closing connection triggered an assertion
+  failure in the function ``isc__nm_tcpdns_send()``. [GL #1937]
+
 - The DS RRset returned by ``dns_keynode_dsset()`` was used in a
   non-thread-safe manner. This could result in an INSIST being
   triggered. [GL #1926]