From 185bbd23d58e56c702620c9e633ee75c197c9574 Mon Sep 17 00:00:00 2001
From: Gustavo Almeida <gustavo.abcdef@hotmail.com>
Date: Mon, 27 Jul 2026 11:55:28 +0100
Subject: [PATCH] MT#55283 fix: add guard to avoid packet sent on shutdown on
 already dead streams

closes #2147
closes #2146

Change-Id: Id94e5ed52dbfe0a8e86b5f90c425edd3832116ea
(cherry picked from commit f99cffb24589a7af89504b6691d83accbda38d9b)
(cherry picked from commit af1013b7ad5cf62da5ebcf4ea51d0d6563dfb0d7)
---
 daemon/dtls.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/daemon/dtls.c b/daemon/dtls.c
index ed0639597..3bc827602 100644
--- a/daemon/dtls.c
+++ b/daemon/dtls.c
@@ -646,6 +646,8 @@ static long dtls_bio_callback(BIO *bio, int oper, const char *argp, size_t len,
 	struct stream_fd *sfd = d->sfd;
 	if (!sfd)
 		return ret;
+	if (!sfd->socket.family)
+		return ret;
 
 	__DBG("dtls packet output: len %zu %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
 		len,