--- zzzz-none-000/linux-2.6.39.4/arch/x86/kernel/process_64.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/arch/x86/kernel/process_64.c	2021-11-10 13:23:10.000000000 +0000
@@ -338,6 +338,7 @@
 	regs->cs		= _cs;
 	regs->ss		= _ss;
 	regs->flags		= X86_EFLAGS_IF;
+	set_fs(USER_DS);
 	/*
 	 * Free the old FP and other extended state
 	 */