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

[Chen Gang]

ä 2013å01æ05æ 19:17, Omar Ramirez Luna åé:
> Hi,
> 
> On Thu, Dec 13, 2012 at 9:50 PM, Chen Gang <gang.chen@xxxxxxxxxxx> 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.
> 

  thank you.

  :-)

gchen


> Cheers,
> 
> Omar
> 
> 


-- 
Chen Gang

Asianux Corporation
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/