libvirt/libvirt-0.6.2-libvirtd-doub...

58 lines
1.7 KiB
Diff

From 2c42e4c96efd390fa7a6957692a5863d30a10828 Mon Sep 17 00:00:00 2001
From: Daniel P. Berrange <berrange@redhat.com>
Date: Fri, 29 May 2009 14:34:35 +0000
Subject: [PATCH] Avoid double-free in daemon client cleanup code
(cherry picked from commit 6c3ef350649b959215cfc5ccfdaba35bf9560066)
Fedora-patch: libvirt-0.6.2-libvirtd-double-free.patch
---
qemud/qemud.c | 22 +++++++++++++++++-----
1 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/qemud/qemud.c b/qemud/qemud.c
index 4f04355..e299a67 100644
--- a/qemud/qemud.c
+++ b/qemud/qemud.c
@@ -1397,7 +1397,10 @@ static int qemudDispatchServer(struct qemud_server *server, struct qemud_socket
* jobs have finished, then clean it up elsehwere
*/
void qemudDispatchClientFailure(struct qemud_client *client) {
- virEventRemoveHandleImpl(client->watch);
+ if (client->watch != -1) {
+ virEventRemoveHandleImpl(client->watch);
+ client->watch = -1;
+ }
/* Deregister event delivery callback */
if(client->conn) {
@@ -1406,12 +1409,21 @@ void qemudDispatchClientFailure(struct qemud_client *client) {
}
#if HAVE_SASL
- if (client->saslconn) sasl_dispose(&client->saslconn);
+ if (client->saslconn) {
+ sasl_dispose(&client->saslconn);
+ client->saslconn = NULL;
+ }
free(client->saslUsername);
+ client->saslUsername = NULL;
#endif
- if (client->tlssession) gnutls_deinit (client->tlssession);
- close(client->fd);
- client->fd = -1;
+ if (client->tlssession) {
+ gnutls_deinit (client->tlssession);
+ client->tlssession = NULL;
+ }
+ if (client->fd != -1) {
+ close(client->fd);
+ client->fd = -1;
+ }
}
--
1.6.2.5