Re: [PATCH] bcache: Use scnprintf() for avoiding potential buffer overflow

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On 2020/3/20 12:28 上午, Takashi Iwai wrote:
> On Thu, 19 Mar 2020 17:27:47 +0100,
> Coly Li wrote:
>>
>> On 2020/3/19 11:58 下午, Takashi Iwai wrote:
>>> On Wed, 11 Mar 2020 08:45:58 +0100,
>>> Takashi Iwai wrote:
>>>>
>>>> Since snprintf() returns the would-be-output size instead of the
>>>> actual output size, the succeeding calls may go beyond the given
>>>> buffer limit.  Fix it by replacing with scnprintf().
>>>>
>>>> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
>>>
>>> A gentle reminder for this forgotten patch.
>>> Let me know if any further changes are needed.
>>>
>>
>> Hi Takashi,
>>
>> This is in my for-next list already. Sorry for not reply you yet, just
>> busy on the testing with combined with md raid backend.
> 
> OK, thanks.  I just wondered because it didn't appear on linux-next,
> either.

I don't submit the patch set to Jens yet, because my local testing not
finished yet. Hopefully it may finish in next 2 days.

-- 

Coly Li



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