linux-kernel - Re: [PATCH 01/13] ACPI/IPMI: Fix potential response buffer overflow

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Message-ID: <20130723145419.GA12065@kroah.com>
Date:	Tue, 23 Jul 2013 07:54:19 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Lv Zheng <lv.zheng@...el.com>
Cc:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Len Brown <len.brown@...el.com>,
	Corey Minyard <minyard@....org>,
	Zhao Yakui <yakui.zhao@...el.com>,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	openipmi-developer@...ts.sourceforge.net
Subject: Re: [PATCH 01/13] ACPI/IPMI: Fix potential response buffer overflow

On Tue, Jul 23, 2013 at 04:08:59PM +0800, Lv Zheng wrote:
> This patch enhances sanity checks on message size to avoid potential buffer
> overflow.
> 
> The kernel IPMI message size is IPMI_MAX_MSG_LENGTH(272 bytes) while the
> ACPI specification defined IPMI message size is 64 bytes.  The difference
> is not handled by the original codes.  This may cause crash in the response
> handling codes.
> This patch fixes this gap and also combines rx_data/tx_data to use single
> data/len pair since they need not be seperated.
> 
> Signed-off-by: Lv Zheng <lv.zheng@...el.com>
> Reviewed-by: Huang Ying <ying.huang@...el.com>
> ---
>  drivers/acpi/acpi_ipmi.c |  100 ++++++++++++++++++++++++++++------------------
>  1 file changed, 61 insertions(+), 39 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>

Same goes for the other patches you sent in this thread...
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