File fix-upstream-CVE-2020-12049.patch of Package dbus-1

commit 8bc1381819e5a845331650bfa28dacf6d2ac1748
Author: Simon McVittie <smcv@collabora.com>
Date:   Thu Apr 16 14:41:48 2020 +0100

    fdpass test: Assert that we don't leak file descriptors
    
    This version is for the dbus-1.12 branch, and doesn't rely on dbus!153
    or dbus!120.
    
    Reproduces: dbus#294
    Reproduces: CVE-2020-12049
    Reproduces: GHSL-2020-057
    Signed-off-by: Simon McVittie <smcv@collabora.com>

Index: dbus-1.12.2/test/fdpass.c
===================================================================
--- dbus-1.12.2.orig/test/fdpass.c
+++ dbus-1.12.2/test/fdpass.c
@@ -50,6 +50,14 @@
 
 #include "test-utils-glib.h"
 
+#ifdef DBUS_ENABLE_EMBEDDED_TESTS
+#include <dbus/dbus-message-internal.h>
+#else
+typedef struct _DBusInitialFDs DBusInitialFDs;
+#define _dbus_check_fdleaks_enter() NULL
+#define _dbus_check_fdleaks_leave(fds) do {} while (0)
+#endif
+
 /* Arbitrary; included here to avoid relying on the default */
 #define MAX_MESSAGE_UNIX_FDS 20
 /* This test won't work on Linux unless this is true. */
@@ -91,6 +99,7 @@ typedef struct {
     GQueue messages;
 
     int fd_before;
+    DBusInitialFDs *initial_fds;
 } Fixture;
 
 static void oom (const gchar *doing) G_GNUC_NORETURN;
@@ -172,6 +181,8 @@ test_connect (Fixture *f,
 {
   char *address;
 
+  f->initial_fds = _dbus_check_fdleaks_enter ();
+
   g_assert (f->left_server_conn == NULL);
   g_assert (f->right_server_conn == NULL);
 
@@ -837,6 +848,9 @@ teardown (Fixture *f,
   if (f->fd_before >= 0 && close (f->fd_before) < 0)
     g_error ("%s", g_strerror (errno));
 #endif
+
+  if (f->initial_fds != NULL)
+    _dbus_check_fdleaks_leave (f->initial_fds);
 }
 
 int