On 1/27/21 7:50 PM, Andrey Konovalov wrote:
> On Wed, Jan 27, 2021 at 6:44 PM Mark Brown <[email protected]> wrote:
>>
>> On Wed, Jan 27, 2021 at 06:14:13PM +0100, Dmitry Vyukov wrote:
>>> On Wed, Jan 27, 2021 at 5:58 PM syzbot
>>> <[email protected]> wrote:
>>>>
>>>> Hello,
>>>>
>>>> syzbot found the following issue on:
>>>>
>>>> HEAD commit: 2ab38c17 mailmap: remove the "repo-abbrev" comment
>>>> git tree: upstream
>>>> console output: https://syzkaller.appspot.com/x/log.txt?x=12eb4ad8d00000
>>>> kernel config: https://syzkaller.appspot.com/x/.config?x=ad43be24faf1194c
>>>> dashboard link:
>>>> https://syzkaller.appspot.com/bug?extid=2a52b6c31dbefb1e9d9f
>>>> userspace arch: arm64
>>>>
>>>> Unfortunately, I don't have any reproducer for this issue yet.
>>>>
>>>> IMPORTANT: if you fix the issue, please add the following tag to the
>>>> commit:
>>>> Reported-by: [email protected]
>>>
>>> This happens on arm64 instance with MTE enabled.
>>> I don't see any corresponding reports on x86_64. So I would assume
>>> it's a generic latent bug, or probably more likely a bug in MTE
>>> support.
>>
>> Copying in Vincenso who's done a bunch of MTE stuff recently.
>
> Could be the same issue as:
>
> https://lkml.org/lkml/2021/1/27/1109
>
I had a look at the trace and I agree with Andrey it seems the same issue.
--
Regards,
Vincenzo
