Module Name: src
Committed By: drochner
Date: Thu Jul 14 10:43:55 UTC 2011
Modified Files:
src/sys/net: bpf_filter.c
Log Message:
clear the packet filter's scratch memory before running the filter
program, otherwise kernel memory can be leaked, from Guy Harris
per PR kern/45142
To generate a diff of this commit:
cvs rdiff -u -r1.46 -r1.47 src/sys/net/bpf_filter.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/bpf_filter.c
diff -u src/sys/net/bpf_filter.c:1.46 src/sys/net/bpf_filter.c:1.47
--- src/sys/net/bpf_filter.c:1.46 Sat Feb 19 17:21:48 2011
+++ src/sys/net/bpf_filter.c Thu Jul 14 10:43:55 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: bpf_filter.c,v 1.46 2011/02/19 17:21:48 christos Exp $ */
+/* $NetBSD: bpf_filter.c,v 1.47 2011/07/14 10:43:55 drochner Exp $ */
/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.46 2011/02/19 17:21:48 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.47 2011/07/14 10:43:55 drochner Exp $");
#if 0
#if !(defined(lint) || defined(KERNEL))
@@ -148,6 +148,7 @@
return (u_int)-1;
A = 0;
X = 0;
+ memset(mem, 0, sizeof(mem));
--pc;
for (;;) {
++pc;
