Module Name: src
Committed By: christos
Date: Thu Jul 21 18:21:27 UTC 2016
Modified Files:
src/sys/fs/puffs: puffs_vnops.c
Log Message:
replace variable stack declaration with a large enough one and KASSERT.
To generate a diff of this commit:
cvs rdiff -u -r1.204 -r1.205 src/sys/fs/puffs/puffs_vnops.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/fs/puffs/puffs_vnops.c
diff -u src/sys/fs/puffs/puffs_vnops.c:1.204 src/sys/fs/puffs/puffs_vnops.c:1.205
--- src/sys/fs/puffs/puffs_vnops.c:1.204 Thu Jul 7 02:55:42 2016
+++ src/sys/fs/puffs/puffs_vnops.c Thu Jul 21 14:21:27 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: puffs_vnops.c,v 1.204 2016/07/07 06:55:42 msaitoh Exp $ */
+/* $NetBSD: puffs_vnops.c,v 1.205 2016/07/21 18:21:27 christos Exp $ */
/*
* Copyright (c) 2005, 2006, 2007 Antti Kantee. All Rights Reserved.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: puffs_vnops.c,v 1.204 2016/07/07 06:55:42 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: puffs_vnops.c,v 1.205 2016/07/21 18:21:27 christos Exp $");
#include <sys/param.h>
#include <sys/buf.h>
@@ -1147,7 +1147,7 @@ puffs_vnop_getattr(void *v)
static void
zerofill_lastpage(struct vnode *vp, voff_t off)
{
- char zbuf[PAGE_SIZE];
+ char zbuf[16384];
struct iovec iov;
struct uio uio;
vsize_t len;
@@ -1160,6 +1160,7 @@ zerofill_lastpage(struct vnode *vp, voff
return;
len = round_page(off) - off;
+ KASSERT(len < sizeof(zbuf));
memset(zbuf, 0, len);
iov.iov_base = zbuf;
