EAP-TTLS: Fix a memory leak on error paths

The allocated challenge needs to be freed on these error paths as well.

Signed-off-by: Jouni Malinen <j@w1.fi>

diff --git a/src/eap_peer/eap_ttls.c b/src/eap_peer/eap_ttls.c
index c8a05fdcaff812e4d1cc726ec85d8b3a7686ed7b..f18788ce8cb5c86b57b0fc2af2424a39d8c6c20a 100644 (file)
--- a/src/eap_peer/eap_ttls.c
+++ b/src/eap_peer/eap_ttls.c
@@ -629,6 +629,7 @@ static int eap_ttls_phase2_request_mschap(struct eap_sm *sm,
                        wpa_printf(MSG_ERROR,
                                   "EAP-TTLS/MSCHAP: Failed derive password hash");
                        wpabuf_free(msg);
+                       os_free(challenge);
                        return -1;
                }
 
@@ -641,6 +642,7 @@ static int eap_ttls_phase2_request_mschap(struct eap_sm *sm,
                        wpa_printf(MSG_ERROR,
                                   "EAP-TTLS/MSCHAP: Failed derive password");
                        wpabuf_free(msg);
+                       os_free(challenge);
                        return -1;
                }