From 6fd24eef238349d71ddd5bff7b87b3404e972ba6 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 3 Apr 2020 18:45:46 +0200
Subject: [PATCH] fix #6155

---
 src/util/strings.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/util/strings.c b/src/util/strings.c
index e8d411ea5..be2ec33dc 100644
--- a/src/util/strings.c
+++ b/src/util/strings.c
@@ -104,6 +104,7 @@ GNUNET_STRINGS_pp2s (const struct GNUNET_PeerIdentity *pids,
   size_t off;
   size_t plen = num_pids * 5 + 1;
 
+  GNUNET_assert (num_pids < UINT32_MAX / 5);
   off = 0;
   buf = GNUNET_malloc (plen);
   for (unsigned int i = 0; i < num_pids; i++)
-- 
2.25.1