linux-kernel - Re: [PATCH v4] ntfs : fix shift-out-of-bounds in ntfs

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Message-ID: <CAKYAXd9-NjSjt-TrJ6fYcPDHcaUm-L=-h5OU98DTw97J2qwmXA@mail.gmail.com>
Date:   Mon, 28 Aug 2023 12:00:24 +0900
From:   Namjae Jeon <linkinjeon@...nel.org>
To:     Manas Ghandat <ghandatmanas@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Linux-kernel-mentees@...ts.linuxfoundation.org, anton@...era.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net,
        syzbot+4768a8f039aa677897d0@...kaller.appspotmail.com
Subject: Re: [PATCH v4] ntfs : fix shift-out-of-bounds in ntfs_iget

2023-08-18 15:34 GMT+09:00, Manas Ghandat <ghandatmanas@...il.com>:
> Sorry for the last reply Greg. The last tag specifies the commit id.
> Also, I have sent the v5 of the patch in which I have made some critical
> changes. Please take a look at that.
Have you checked build error report from kernel test robot ?

>
> On 17/08/23 00:45, Greg KH wrote:
>> On Sun, Aug 13, 2023 at 11:29:49AM +0530, Manas Ghandat wrote:
>>> Currently there is not check for ni->itype.compressed.block_size when
>>> a->data.non_resident.compression_unit is present and NInoSparse(ni) is
>>> true. Added the required check to calculation of block size.
>>>
>>> Signed-off-by: Manas Ghandat <ghandatmanas@...il.com>
>>> Reported-by: syzbot+4768a8f039aa677897d0@...kaller.appspotmail.com
>>> Closes: https://syzkaller.appspot.com/bug?extid=4768a8f039aa677897d0
>>> Fix-commit-ID: upstream f40ddce88593482919761f74910f42f4b84c004b
>> What is this last tag for?  That's a kernel release version, what can be
>> done with that?
>>
>> confused,
>>
>> greg k-h
>