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)

(cherry picked from commit 013e1174df1b3f8a51b393aaa22309dab66d371f)

diff --git a/providers/implementations/keymgmt/mlx_kmgmt.c.in b/providers/implementations/keymgmt/mlx_kmgmt.c.in
index ebedaea030e7f500a455890b74a1971f967ccdde..f266ac007c7837503b312d4e993b1eb28369d55f 100644 (file)
--- a/providers/implementations/keymgmt/mlx_kmgmt.c.in
+++ b/providers/implementations/keymgmt/mlx_kmgmt.c.in
@@ -757,6 +757,7 @@ 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;
     }