File 6b8e9613-avoid-use-after-free.patch of Package libvirt

commit 6b8e961399549c5c8fdf06875e5981c564829ad6
Author: Peter Krempa <pkrempa@redhat.com>
Date:   Fri Mar 12 10:12:51 2021 +0100

    virLockSpacePreExecRestart: Avoid use-after-free
    
    Recent refactor marked 'object' which is returned from the function as
    autofree but forgot to use g_steal_pointer in the return statement to
    prevent freeing it.
    
    Fixes: 9a1651f64d7
    Signed-off-by: Peter Krempa <pkrempa@redhat.com>
    Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

Index: libvirt-6.0.0/src/util/virlockspace.c
===================================================================
--- libvirt-6.0.0.orig/src/util/virlockspace.c
+++ libvirt-6.0.0/src/util/virlockspace.c
@@ -503,7 +503,7 @@ virJSONValuePtr virLockSpacePreExecResta
     VIR_FREE(pairs);
 
     virMutexUnlock(&lockspace->lock);
-    return object;
+    return g_steal_pointer(&object);
 
  error:
     VIR_FREE(pairs);