From 6506693f0b5a46f18ac63f792036c69a33031faa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@des.dev>
Date: Sun, 19 Apr 2026 18:09:29 +0200
Subject: [PATCH] lib1960: fix test failure

On platforms where struct sockaddr has a length field, the current code
leaves it uninitialized, resulting in a test failure when valgrind is
used.

Closes #21377
---
 tests/libtest/lib1960.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/libtest/lib1960.c b/tests/libtest/lib1960.c
index 1e31cc5b3a..2ce9a7540d 100644
--- a/tests/libtest/lib1960.c
+++ b/tests/libtest/lib1960.c
@@ -100,6 +100,7 @@ static CURLcode test_lib1960(const char *URL)
     goto test_cleanup;
   }
 
+  memset(&serv_addr, 0, sizeof(serv_addr));
   serv_addr.sin_family = AF_INET;
   serv_addr.sin_port = htons((unsigned short)port);