From 4554f0b728ce91289d41ec1e1a90e5d90c38cc8a Mon Sep 17 00:00:00 2001
From: lan1120 <lanming@huawei.com>
Date: Wed, 22 Nov 2023 09:45:25 +0800
Subject: [PATCH] Initialize dstctx->mgf1_md to NULL in rsa_dupctx function

Signed-off-by: lan1120 <lanming@huawei.com>

Reviewed-by: Todd Short <todd.short@me.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22795)

(cherry picked from commit f95e3a09173b13dcfae668be6103e64c02222f08)
---
 providers/implementations/signature/rsa_sig.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/providers/implementations/signature/rsa_sig.c b/providers/implementations/signature/rsa_sig.c
index cd5de6bd518..5876158d27e 100644
--- a/providers/implementations/signature/rsa_sig.c
+++ b/providers/implementations/signature/rsa_sig.c
@@ -1011,6 +1011,7 @@ static void *rsa_dupctx(void *vprsactx)
     *dstctx = *srcctx;
     dstctx->rsa = NULL;
     dstctx->md = NULL;
+    dstctx->mgf1_md = NULL;
     dstctx->mdctx = NULL;
     dstctx->tbuf = NULL;
     dstctx->propq = NULL;
-- 
2.47.2