From 8c040c086ca11a519975c58961a5dc933aa6524a Mon Sep 17 00:00:00 2001
From: Bernd Edlinger <bernd.edlinger@hotmail.de>
Date: Mon, 11 Sep 2023 06:38:31 +0200
Subject: Fix some memory leaks in the openssl app

In some error cases the normal cleanup did not
happen, but instead an exit(1) which caused some
memory leaks, as reported in #22049.

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/22055)
---
 apps/dhparam.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'apps/dhparam.c')

diff --git a/apps/dhparam.c b/apps/dhparam.c
index a41e70fe38..d14c569503 100644
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -233,6 +233,8 @@ int dhparam_main(int argc, char **argv)
         }
 
         tmppkey = app_paramgen(ctx, alg);
+        if (tmppkey == NULL)
+            goto end;
         EVP_PKEY_CTX_free(ctx);
         ctx = NULL;
         if (dsaparam) {
-- 
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