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SubjectRe: [syzbot] KASAN: use-after-free Read in disk_part_iter_next (2)
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On 3/21/21 7:35 PM, Ming Lei wrote:
> On Mon, Mar 22, 2021 at 7:03 AM Bart Van Assche <bvanassche@acm.org> wrote:
>>
>> On 3/14/21 4:08 AM, syzbot wrote:
>>> syzbot found the following issue on:
>>>
>>> HEAD commit: 280d542f Merge tag 'drm-fixes-2021-03-05' of git://anongit..
>>> git tree: upstream
>>> console output: https://syzkaller.appspot.com/x/log.txt?x=15ade5aed00000
>>> kernel config: https://syzkaller.appspot.com/x/.config?x=952047a9dbff6a6a
>>> dashboard link: https://syzkaller.appspot.com/bug?extid=8fede7e30c7cee0de139
>>
>> #syz test: https://github.com/bvanassche/linux a5f35387ebdc
>
> It should be the same issue which was addressed by
>
> aebf5db91705 block: fix use-after-free in disk_part_iter_next
>
> but converting to xarray introduced the issue again.

Hi Ming,

Since that patch does not re-apply cleanly, do you want to convert that
patch to the latest kernel version or do you perhaps expect me to do that?

Thanks,

Bart.

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