linux-kernel - Re: EDAC list as Trojan Horse distribution ??

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Date:   Tue, 16 Mar 2021 18:55:19 +0100
From:   Hermann Ruckerbauer <Hermann.Ruckerbauer@...KnowHow.de>
To:     He Zhe <zhe.he@...driver.com>, tony.luck@...el.com, bp@...en8.de,
        tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: EDAC list as Trojan Horse distribution ??


> Hello *,
==> one more time as plain text.. 
>
>
> quite some tiem ago i sent a question to the EDAC list..
> I never receveived an answer.
>  
> today i got an answer with my original question quoted  and a .zip
> file attached:
>
> ======================================
>
> from:      nikolay.temizov@...hargemaster.com
>
> Hello,
>
> Sorry, for my late reply to your question. Attached is the document
> you need.
>
> *Thank you*,
>
> ========================================
>
> I assume this is just to install a trojan horse when opening the
> attached zip (also I assume most of you will work on linux and it
> might not be a Problem for you anyhow   ;-) .
>
>  Virus total reports a Trojan horse, but only for with 2 out of 61
> virus scan engines (and I have to admit, I did not knew K7AntiVirus
> and Qihoo-360 before, all other engines reported the file as
> clean!!!!!!! ).
>
> So be careful when you get some feedback to old requests from this list
>
> Hermann
>
>
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> Hello,
>
>
>
>
>
> Am 16.04.2020 um 10:40 schrieb He Zhe:
>> Can this be considered for the moment?
>>
>> Thanks,
>> Zhe
>>
>> On 3/4/20 2:39 PM, zhe.he@...driver.com wrote:
>>> From: He Zhe <zhe.he@...driver.com>
>>>
>>> 32-bit user-space program would get errors like the following from ioctl
>>> syscall due to missing compat_ioctl.
>>> MCE_GET_RECORD_LEN: Inappropriate ioctl for device
>>>
>>> compat_ptr_ioctl is provided as a generic implementation of .compat_ioctl
>>> file operation to ioctl functions that either ignore the argument or pass
>>> a pointer to a compatible data type.
>>>
>>> Signed-off-by: He Zhe <zhe.he@...driver.com>
>>> ---
>>>  arch/x86/kernel/cpu/mce/dev-mcelog.c | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/arch/x86/kernel/cpu/mce/dev-mcelog.c b/arch/x86/kernel/cpu/mce/dev-mcelog.c
>>> index 7c8958d..6c9b91b7 100644
>>> --- a/arch/x86/kernel/cpu/mce/dev-mcelog.c
>>> +++ b/arch/x86/kernel/cpu/mce/dev-mcelog.c
>>> @@ -328,6 +328,7 @@ static const struct file_operations mce_chrdev_ops = {
>>>  	.write			= mce_chrdev_write,
>>>  	.poll			= mce_chrdev_poll,
>>>  	.unlocked_ioctl		= mce_chrdev_ioctl,
>>> +	.compat_ioctl		= compat_ptr_ioctl,
>>>  	.llseek			= no_llseek,
>>>  };
>>>  
>