From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Thu, 12 Nov 2020 14:48:30 +0000 (+0100)
Subject: cleanup_gssapi_auth: avoid null pointer dereference
X-Git-Tag: v8.20~386^2~14
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6acf230d4c9cf815a7e8efc97e9717b5981339c0;p=users%2Fdwmw2%2Fopenconnect.git

cleanup_gssapi_auth: avoid null pointer dereference

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
---

diff --git a/gssapi.c b/gssapi.c
index 7a9b90fc..762caea3 100644
--- a/gssapi.c
+++ b/gssapi.c
@@ -158,6 +158,9 @@ void cleanup_gssapi_auth(struct openconnect_info *vpninfo,
 {
 	OM_uint32 minor;
 
+	if (!auth_state)
+		return;
+
 	if (auth_state->gss_target_name != GSS_C_NO_NAME)
 		gss_release_name(&minor, &auth_state->gss_target_name);