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Re: [PATCH] arch:arm:mm:Correction in the boundary check for module end address.

From Jungseung Lee <js07.lee@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] arch:arm:mm:Correction in the boundary check for module end address.
Date 2015-11-09 16:40 +0100
Message-ID <qsWI1-8g3-1@gated-at.bofh.it> (permalink)
References <qsPwS-3v4-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi,

2015-11-09 16:57 GMT+09:00 Shailendra Verma <shailendra.v@samung.com>:
> From: Shailendra Verma <Shailendra.v@samsung.com>
>
> The module end boundary check is not proper.The out of bound value
> of module end can produce undesired results.
>
> Signed-off-by: Shailendra Verma <Shailendra.v@samsung.com>
> Reviewed-by: Ravikant Bijendra Sharma <ravikant.s2@samsung.com>
> ---
>  linux-4.3-rc6/arch/arm/mm/pageattr.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/linux-4.3-rc6/arch/arm/mm/pageattr.c b/linux-4.3-rc6/arch/arm/mm/pageattr.c
> index cf30daf..be7fe4b 100644
> --- a/linux-4.3-rc6/arch/arm/mm/pageattr.c
> +++ b/linux-4.3-rc6/arch/arm/mm/pageattr.c
> @@ -52,7 +52,7 @@ static int change_memory_common(unsigned long addr, int numpages,
>         if (start < MODULES_VADDR || start >= MODULES_END)
>                 return -EINVAL;
>
> -       if (end < MODULES_VADDR || start >= MODULES_END)
> +       if (end < MODULES_VADDR || end >= MODULES_END)
>                 return -EINVAL;
>
>         data.set_mask = set_mask;
> --
> 1.7.9.5
>
Same patch with proper format is already submitted by Hillf.
https://lkml.org/lkml/2015/5/3/202

Best Regards,
Jungseung Lee
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Thread

[PATCH] arch:arm:mm:Correction in the boundary check for module end  address. Shailendra Verma <shailendra.v@samung.com> - 2015-11-09 09:00 +0100
  Re: [PATCH] arch:arm:mm:Correction in the boundary check for module  end address. Jungseung Lee <js07.lee@gmail.com> - 2015-11-09 16:40 +0100
    Re: [PATCH] arch:arm:mm:Correction in the boundary check for module  end address. Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-11-09 17:10 +0100
      Re: [PATCH] arch:arm:mm:Correction in the boundary check for module end address. "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2015-11-10 04:00 +0100

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