linux-kernel - Re: [Suggestion] drivers/staging/tidspbridge: strcpy and strncpy, src length checking issue.

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Date:	Sat, 5 Jan 2013 05:17:10 -0600
From:	Omar Ramirez Luna <omar.ramirez@...itl.com>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Suggestion] drivers/staging/tidspbridge: strcpy and strncpy, src
 length checking issue.

Hi,

On Thu, Dec 13, 2012 at 9:50 PM, Chen Gang <gang.chen@...anux.com> wrote:
>   in drivers/staging/tidspbridge/rmgr/proc.c:
>
>     if strlen(drv_datap->base_img) == size, will pass checking (line 397)
>     the size is the full length of exec_file (line 382, line 468..469)
>     strcpy causes issue: src len is strlen(drv_datap->base_img) + '\0'. (line 400)

Good catch.

>     strncpy seems also has issue: need use size instead of strlen(iva_img) + 1. (line 402..403)

This code is not used, it is best to remove it.

Cheers,

Omar
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