mac_legacy_kmgmt.c: Avoid possible memory leak on error

Use mac_gen_cleanup() instead of just freeing the gctx.
Fixes Coverity 1638702

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/26500)

(cherry picked from commit 2455ef2112997d6a366623a209f1d0090ed2d847)

diff --git a/providers/implementations/keymgmt/mac_legacy_kmgmt.c b/providers/implementations/keymgmt/mac_legacy_kmgmt.c
index 1fae4407fca6093a63e14ea17fa7200449e35458..6e4ca49529bec1a4251992535f7da35f9c5b197c 100644 (file)
--- a/providers/implementations/keymgmt/mac_legacy_kmgmt.c
+++ b/providers/implementations/keymgmt/mac_legacy_kmgmt.c
@@ -399,7 +399,7 @@ static void *mac_gen_init(void *provctx, int selection,
     struct mac_gen_ctx *gctx = mac_gen_init_common(provctx, selection);
 
     if (gctx != NULL && !mac_gen_set_params(gctx, params)) {
-        OPENSSL_free(gctx);
+        mac_gen_cleanup(gctx);
         gctx = NULL;
     }
     return gctx;
@@ -411,7 +411,7 @@ static void *cmac_gen_init(void *provctx, int selection,
     struct mac_gen_ctx *gctx = mac_gen_init_common(provctx, selection);
 
     if (gctx != NULL && !cmac_gen_set_params(gctx, params)) {
-        OPENSSL_free(gctx);
+        mac_gen_cleanup(gctx);
         gctx = NULL;
     }
     return gctx;