From 017bfdf240fff4c63aac5d693f04304bf1367fc6 Mon Sep 17 00:00:00 2001
From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
Date: Sat, 25 Mar 2023 23:58:43 +0100
Subject: [PATCH] Use php_random_bytes_silent() where possible in
 gmp_init_random()

See GH-10942.
---
 ext/gmp/gmp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c
index 96536ff3bde39..ff2b37ae09f0b 100644
--- a/ext/gmp/gmp.c
+++ b/ext/gmp/gmp.c
@@ -1729,7 +1729,11 @@ static void gmp_init_random(void)
 		/* Initialize */
 		gmp_randinit_mt(GMPG(rand_state));
 		/* Seed */
-		gmp_randseed_ui(GMPG(rand_state), GENERATE_SEED());
+		zend_long seed = 0;
+		if (php_random_bytes_silent(&seed, sizeof(zend_long)) == FAILURE) {
+			seed = GENERATE_SEED();
+		}
+		gmp_randseed_ui(GMPG(rand_state), seed);
 
 		GMPG(rand_initialized) = 1;
 	}