From: tb <tb@openbsd.org>
Date: Tue, 9 Apr 2024 18:12:11 +0000 (+0000)
Subject: whirlpool_test: avoid calling arc4random_uniform(0)
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=1e30b36946b45e76ba99564ca48a6b246c528dd8;p=openbsd

whirlpool_test: avoid calling arc4random_uniform(0)

This causes a SIGFPE on solaris
Fixes https://github.com/libressl/portable/issues/1042
---

diff --git a/regress/lib/libcrypto/whirlpool/whirlpool_test.c b/regress/lib/libcrypto/whirlpool/whirlpool_test.c
index 940531d49a8..809edbba164 100644
--- a/regress/lib/libcrypto/whirlpool/whirlpool_test.c
+++ b/regress/lib/libcrypto/whirlpool/whirlpool_test.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: whirlpool_test.c,v 1.2 2024/04/09 18:08:43 tb Exp $ */
+/*	$OpenBSD: whirlpool_test.c,v 1.3 2024/04/09 18:12:11 tb Exp $ */
 /*
  * Copyright (c) 2024 Joshua Sing <joshua@joshuasing.dev>
  *
@@ -192,7 +192,9 @@ whirlpool_test(void)
 		}
 
 		for (l = 0; l < wt->in_len;) {
-			in_len = arc4random_uniform(wt->in_len / 2);
+			in_len = 1;
+			if (wt->in_len > 1)
+				in_len = arc4random_uniform(wt->in_len / 2);
 			if (in_len < 1)
 				in_len = 1;
 			if (in_len > wt->in_len - l)