Fix memory leak in abnormal branch of mlx_kem_dup function

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/29318)

diff --git a/providers/implementations/keymgmt/mlx_kmgmt.c b/providers/implementations/keymgmt/mlx_kmgmt.c
index eb9c7a2aa42fb1950dd9161a5093f14f781e7006..b533468aaa49cffb172d1be87f554ddcd0828b79 100644 (file)
--- a/providers/implementations/keymgmt/mlx_kmgmt.c
+++ b/providers/implementations/keymgmt/mlx_kmgmt.c
@@ -722,6 +722,7 @@ static void *mlx_kem_dup(const void *vkey, int selection)
         if (ret->xkey == NULL)
             return ret;
         /* Fail if the source key is an inconsistent state */
+        OPENSSL_free(ret->propq);
         OPENSSL_free(ret);
         return NULL;
     }