netdev - Re: [PATCH] drivers/isdn: checkng length to be sure not memory overflow

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Message-ID: <513813F5.5040806@asianux.com>
Date:	Thu, 07 Mar 2013 12:13:41 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Jiri Slaby <jslaby@...e.cz>
CC:	Jiri Kosina <jkosina@...e.cz>, isdn@...ux-pingi.de,
	Greg KH <gregkh@...uxfoundation.org>, alan@...ux.intel.com,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] drivers/isdn: checkng length to be sure not memory overflow

于 2013年03月05日 17:34, Jiri Slaby 写道:
>>   what you said is: this patch need improving, is it correct ?
>> >   if it is correct.
>> >     I still prefer to throw the rest contents (but need improving, too)
>> >       for maintaining, we need fix bug, but not need add new features
>> >       so what we should do:
>> >         a) fix the bug (should not memory overflow)
>> >         b) keep the original buffer length no touch
>> >            it is not sizeof(cmd.parm.cmsg.para) - 2)
>> >            it should be sizeof(cmd.param) - sizeof(cmd.param.cmsg) + sizeof(cmd.param.cmsg.para) - 2
>> >         c) need complete the relative document to export the limitation.
>> > 
>> >   is it ok ?
> Yes, it is -- just fix the bug with minimal effort.

  ok, I will send patch v2 for it.

  :-)

-- 
Chen Gang

Asianux Corporation
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