The patch titled
firmware/dcdbas: add size check in smi_data_write
has been added to the -mm tree. Its filename is
firmware-dcdbas-add-size-check-in-smi_data_write.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: firmware/dcdbas: add size check in smi_data_write
From: Doug Warzecha <Douglas_Warzecha@xxxxxxxx>
Add a size check in smi_data_write to prevent possible wrapping problems
with large pos values when calling smi_data_buf_realloc on 32-bit.
Signed-off-by: Doug Warzecha <Douglas_Warzecha@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/firmware/dcdbas.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff -puN drivers/firmware/dcdbas.c~firmware-dcdbas-add-size-check-in-smi_data_write drivers/firmware/dcdbas.c
--- a/drivers/firmware/dcdbas.c~firmware-dcdbas-add-size-check-in-smi_data_write
+++ a/drivers/firmware/dcdbas.c
@@ -8,7 +8,7 @@
*
* See Documentation/dcdbas.txt for more information.
*
- * Copyright (C) 1995-2005 Dell Inc.
+ * Copyright (C) 1995-2006 Dell Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License v2.0 as published by
@@ -40,7 +40,7 @@
#include "dcdbas.h"
#define DRIVER_NAME "dcdbas"
-#define DRIVER_VERSION "5.6.0-2"
+#define DRIVER_VERSION "5.6.0-3.2"
#define DRIVER_DESCRIPTION "Dell Systems Management Base Driver"
static struct platform_device *dcdbas_pdev;
@@ -175,6 +175,9 @@ static ssize_t smi_data_write(struct kob
{
ssize_t ret;
+ if ((pos + count) > MAX_SMI_DATA_BUF_SIZE)
+ return -EINVAL;
+
mutex_lock(&smi_data_lock);
ret = smi_data_buf_realloc(pos + count);
_
Patches currently in -mm which might be from Douglas_Warzecha@xxxxxxxx are
firmware-dcdbas-add-size-check-in-smi_data_write.patch
-
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