From: Hugo Landau <hlandau@openssl.org>
Date: Fri, 23 Sep 2022 08:41:15 +0000 (+0100)
Subject: Fix BIO_dgram_pair stochastic test failure
X-Git-Tag: openssl-3.2.0-alpha1~2046
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8e90a12ad82dec6d8b683eaa2e4feafa9796d377;p=thirdparty%2Fopenssl.git

Fix BIO_dgram_pair stochastic test failure

Fixes #19267.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19268)
---

diff --git a/test/bio_dgram_test.c b/test/bio_dgram_test.c
index 4dd2893c1b3..f2b1bb6f4bc 100644
--- a/test/bio_dgram_test.c
+++ b/test/bio_dgram_test.c
@@ -530,7 +530,7 @@ static int test_bio_dgram_pair(void)
         if (!TEST_int_eq(random_data(key, scratch, sizeof(scratch), i), 1))
             goto err;
 
-        blen = (*(uint32_t*)scratch) % mtu1;
+        blen = ((*(uint32_t*)scratch) % mtu1) + 1;
         r = BIO_write(bio1, scratch + 4, blen);
         if (r == -1)
             break;
@@ -556,7 +556,7 @@ static int test_bio_dgram_pair(void)
         if (!TEST_int_eq(random_data(key, scratch, sizeof(scratch), i), 1))
             goto err;
 
-        blen = (*(uint32_t*)scratch) % mtu1;
+        blen = ((*(uint32_t*)scratch) % mtu1) + 1;
         r = BIO_read(bio2, scratch2, sizeof(scratch2));
         if (!TEST_int_eq(r, blen))
             goto err;