- Fix conflict with NetworkManager-openconnect (rh #489271)

- Fix possible crash when resynchronizing devices if HAL restarts
This commit is contained in:
Daniel Williams 2009-03-09 19:18:08 +00:00
parent 13defc0cdc
commit 7e93001cf9
2 changed files with 55 additions and 2 deletions

View File

@ -0,0 +1,47 @@
commit 21defe6d73853bf19c6ce99d07701d1531e09409
Author: Drew Moseley <dmoseley@mvista.com>
Date: Fri Mar 6 17:19:17 2009 -0500
core: fix use-after-free caused by incorrect HAL device resync code
diff --git a/src/nm-manager.c b/src/nm-manager.c
index a6bac55..d0e5564 100644
--- a/src/nm-manager.c
+++ b/src/nm-manager.c
@@ -1426,12 +1426,11 @@ static void
sync_devices (NMManager *self)
{
NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
- GSList *devices;
+ GSList *devices = NULL;
GSList *iter;
- /* Remove devices which are no longer known to HAL */
- devices = g_slist_copy (priv->devices);
- for (iter = devices; iter; iter = iter->next) {
+ /* Keep devices still known to HAL; get rid of ones HAL no longer knows about */
+ for (iter = priv->devices; iter; iter = iter->next) {
NMDevice *device = NM_DEVICE (iter->data);
const char *udi = nm_device_get_udi (device);
@@ -1440,15 +1439,14 @@ sync_devices (NMManager *self)
nm_device_set_managed (device, TRUE, NM_DEVICE_STATE_REASON_NOW_MANAGED);
else
nm_device_set_managed (device, FALSE, NM_DEVICE_STATE_REASON_NOW_UNMANAGED);
- } else {
- priv->devices = g_slist_delete_link (priv->devices, iter);
+ devices = g_slist_prepend (devices, device);
+ } else
remove_one_device (self, device);
- }
}
+ g_slist_free (priv->devices);
+ priv->devices = devices;
- g_slist_free (devices);
-
- /* Get any new ones */
+ /* Ask HAL for new devices */
nm_hal_manager_query_devices (priv->hal_mgr);
}

View File

@ -18,7 +18,7 @@ Name: NetworkManager
Summary: Network connection manager and user applications
Epoch: 1
Version: 0.7.0.99
Release: 1%{snapshot}%{?dist}
Release: 2%{snapshot}%{?dist}
Group: System Environment/Base
License: GPLv2+
URL: http://www.gnome.org/projects/NetworkManager/
@ -28,6 +28,7 @@ Source1: network-manager-applet-%{version}%{applet_snapshot}.tar.bz2
Source2: nm-system-settings.conf
Patch1: nm-applet-internal-buildfixes.patch
Patch2: explain-dns1-dns2.patch
Patch4: NetworkManager-0.7.0.99-fix-hal-resync.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
PreReq: chkconfig
@ -48,7 +49,7 @@ Obsoletes: dhcdbd
Conflicts: NetworkManager-vpnc < 1:0.7.0.99-1
Conflicts: NetworkManager-openvpn < 1:0.7.0.99-1
Conflicts: NetworkManager-pptp < 1:0.7.0.99-1
Conflicts: NetworkManager-openconnect < 1:0.7.0.99-1
Conflicts: NetworkManager-openconnect < 0:0.7.0.99-1
BuildRequires: dbus-devel >= %{dbus_version}
BuildRequires: dbus-glib-devel >= %{dbus_glib_version}
@ -145,6 +146,7 @@ NetworkManager functionality from applications that use glib.
tar -xjf %{SOURCE1}
%patch1 -p1 -b .buildfix
%patch2 -p1 -b .explain-dns1-dns2
%patch4 -p1 -b .fix-hal-resync
%build
@ -325,6 +327,10 @@ fi
%{_datadir}/gtk-doc/html/libnm-util/*
%changelog
* Mon Mar 9 2009 Dan Williams <dcbw@redhat.com> - 1:0.7.0.99-2
- Fix conflict with NetworkManager-openconnect (rh #489271)
- Fix possible crash when resynchronizing devices if HAL restarts
* Wed Mar 4 2009 Dan Williams <dcbw@redhat.com> - 1:0.7.0.99-1
- nm: make default wired "Auto ethX" connection modifiable if an enabled system settings
plugin supports modifying connections (rh #485555)