From a44f51203c43bb4306a225506075740cdacaccfa Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 19 Apr 2011 02:27:45 +0200
Subject: Close call stack on continuation

* i386/i386/locore.S (call_continuation): Push dummy return address instead
of letting the callee get a random one.
---
 i386/i386/locore.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/i386/i386/locore.S b/i386/i386/locore.S
index 8571611..379b219 100644
--- a/i386/i386/locore.S
+++ b/i386/i386/locore.S
@@ -599,6 +599,7 @@ ENTRY(call_continuation)
 	addl	$(-3-IKS_SIZE),%ecx
 	movl	%ecx,%esp			/* pop the stack */
 	xorl	%ebp,%ebp			/* zero frame pointer */
+	pushl	$0				/* Dummy return address */
 	jmp	*%eax				/* goto continuation */
 
 
-- 
cgit v1.2.3