Merge commit 'origin/master' into next

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index dc9690b4c4c..17cb3295cbf 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -276,12 +276,12 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 
         set_tsk_thread_flag(p, TIF_FORK);
 
-        p->thread.fs = me->thread.fs;
-        p->thread.gs = me->thread.gs;
         p->thread.io_bitmap_ptr = NULL;
 
         savesegment(gs, p->thread.gsindex);
+        p->thread.gs = p->thread.gsindex ? 0 : me->thread.gs;
         savesegment(fs, p->thread.fsindex);
+        p->thread.fs = p->thread.fsindex ? 0 : me->thread.fs;
         savesegment(es, p->thread.es);
         savesegment(ds, p->thread.ds);