From: Jouni Malinen <j@w1.fi>
Date: Sat, 8 Jul 2017 13:21:01 +0000 (+0300)
Subject: EAP-TTLS: Fix a memory leak on error paths
X-Git-Tag: hostap_2_7~1195
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f2ae8cff5dba42fd6514485315043a6684ea049;p=thirdparty%2Fhostap.git

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 c8a05fdca..f18788ce8 100644
--- 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;
 		}