From 68a4d901347bfa159adfe67e00f149e09800ea22 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 19 Nov 2021 11:47:52 +0100
Subject: -misc bugfixes

---
 src/util/secmod_common.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/util/secmod_common.c')

diff --git a/src/util/secmod_common.c b/src/util/secmod_common.c
index 4a45dd58..0bcf9ae5 100644
--- a/src/util/secmod_common.c
+++ b/src/util/secmod_common.c
@@ -266,6 +266,12 @@ TES_read_work (void *cls,
       continue;
     hdr = (const struct GNUNET_MessageHeader *) buf;
     msize = ntohs (hdr->size);
+    if (msize < sizeof (struct GNUNET_MessageHeader))
+    {
+      GNUNET_break_op (0);
+      return GNUNET_SYSERR;
+    }
+    GNUNET_assert (msize <= sizeof (client->iobuf));
   } while (off < msize);
 
   if (off > msize)
-- 
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