1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index b795e831afd6..891af1a1b48a 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -533,6 +533,10 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
         regs->ss                = __USER_DS;
         regs->flags             = 0x200;
         set_fs(USER_DS);
+        /*
+         * Free the old FP and other extended state
+         */
+        free_thread_xstate(current);
 }
 EXPORT_SYMBOL_GPL(start_thread);