From: Russ Cox <rsc@golang.org>
Date: Sat, 22 Dec 2012 23:23:26 +0000 (-0500)
Subject: runtime: zero d.free field
X-Git-Tag: go1.1rc2~1538
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=403f012534b7042160d26377a70b6624ccfd976c;p=gostls13.git

runtime: zero d.free field

Not programming in Go anymore:
have to clear fields in local variables.

R=ken2
CC=golang-dev
https://golang.org/cl/7002053
---

diff --git a/src/pkg/runtime/cgocall.c b/src/pkg/runtime/cgocall.c
index 7b540951b3..ed859c07b9 100644
--- a/src/pkg/runtime/cgocall.c
+++ b/src/pkg/runtime/cgocall.c
@@ -132,6 +132,7 @@ runtime·cgocall(void (*fn)(void*), void *arg)
 		d.link = g->defer;
 		d.argp = (void*)-1;  // unused because unlockm never recovers
 		d.special = true;
+		d.free = false;
 		g->defer = &d;
 	}
 
@@ -237,6 +238,7 @@ runtime·cgocallbackg(void (*fn)(void), void *arg, uintptr argsize)
 	d.link = g->defer;
 	d.argp = (void*)-1;  // unused because unwindm never recovers
 	d.special = true;
+	d.free = false;
 	g->defer = &d;
 
 	if(raceenabled)