From 98be2e8fb60aaece2e4c3d42e87671fe22c081a2 Mon Sep 17 00:00:00 2001
From: Niels Dossche <niels.dossche@ugent.be>
Date: Wed, 20 Nov 2024 19:57:38 +0100
Subject: [PATCH] Fix potential memory leak on failure of ecx_gen_init()

When ecx_gen_set_params() returns 0, it could have duplicated the memory
for the parameter OSSL_KDF_PARAM_PROPERTIES already in gctx->propq,
leading to a memory leak.

Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26015)
---
 providers/implementations/keymgmt/ecx_kmgmt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/providers/implementations/keymgmt/ecx_kmgmt.c b/providers/implementations/keymgmt/ecx_kmgmt.c
index 5e9b80fc48..b8d316ba8e 100644
--- a/providers/implementations/keymgmt/ecx_kmgmt.c
+++ b/providers/implementations/keymgmt/ecx_kmgmt.c
@@ -510,7 +510,7 @@ static void *ecx_gen_init(void *provctx, int selection,
 #endif
     }
     if (!ecx_gen_set_params(gctx, params)) {
-        OPENSSL_free(gctx);
+        ecx_gen_cleanup(gctx);
         gctx = NULL;
     }
     return gctx;