Package: libglib2.0-0
Version: 2.30.2-6
Severity: normal
Tags: patch upstream
g_settings_backend() doesn't check if backend is non-NULL before
dereferencing the pointer. The patch is attached.
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 3.2.0-rc7-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) (ignored: LC_ALL
set to en_GB.UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libglib2.0-0 depends on:
ii libc6 2.13-7
ii libffi5 3.0.10-3
ii libpcre3 8.12-4
ii libselinux1 2.0.89-4
ii multiarch-support 2.13-21
ii zlib1g 1:1.2.3.4.dfsg-3
Versions of packages libglib2.0-0 recommends:
ii libglib2.0-data 2.24.2-1
ii shared-mime-info 0.90-1
libglib2.0-0 suggests no packages.
-- no debconf information
Description: Prevent NULL pointer dereference in g_settings_backend_unsubscribe
Check if backend is NULL.
Author: Andrew Shadura <bugzi...@tut.by>
--- a/gio/gsettingsbackend.c
+++ b/gio/gsettingsbackend.c
@@ -855,8 +855,9 @@
g_settings_backend_unsubscribe (GSettingsBackend *backend,
const char *name)
{
- G_SETTINGS_BACKEND_GET_CLASS (backend)
- ->unsubscribe (backend, name);
+ if (backend != NULL)
+ G_SETTINGS_BACKEND_GET_CLASS (backend)
+ ->unsubscribe (backend, name);
}
/*< private >
