fix double-free for OpenSSL<3.x (for Github archs action)

run Github archs action on ubuntu-latest

Signed-off-by: Hans Zandbelt <[email protected]>

.github/workflows/archs.yml

@@ -18,14 +18,14 @@ jobs:
 #test/check_cache.c:74:F:core:test_cache_redis:0: Assertion 'value == ((void *)0)' failed: value == 0x4006a290, ((void *)0) == 0
 #test/check_nginx.c:102:E:core:test_request_context:0: (after this point) Test timeout expired
 #test/check_nginx.c:114:E:core:test_nginx_http_response_set:0: (after this point) Received signal 11 (Segmentation fault)
-#          - arch: armv7
-#            distro: ubuntu20.04
+          - arch: armv7
+            distro: ubuntu-latest
           - arch: aarch64
-            distro: ubuntu20.04
+            distro: ubuntu-latest
           - arch: ppc64le
-            distro: ubuntu20.04
+            distro: ubuntu-latest
           - arch: s390x
-            distro: ubuntu20.04
+            distro: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v3

src/jose.c

@@ -1649,10 +1649,12 @@ _oauth2_jose_options_jwk_set_rsa_key(oauth2_log_t *log, EVP_PKEY *pkey,
 	rv = _oauth2_jose_verify_options_jwk_add_jwk(log, jwk, params, verify);
 
 end:
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
 	if (rsa_n)
 		BN_clear_free(rsa_n);
 	if (rsa_e)
 		BN_clear_free(rsa_e);
+#endif
 	if (key_spec.n)
 		oauth2_mem_free(key_spec.n);
 	if (key_spec.e)