Re: A list of bugs in btrfs found by fuzzing

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

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On 2018年07月04日 00:27, Xu, Wen wrote:
> So this is the dev branch of btrfs?…

Just my branch of all the related fixes.

Thanks,
Qu

> 
> Thanks,
> -Wen
> 
>> On Jul 3, 2018, at 9:36 AM, Qu Wenruo <quwenruo.btrfs@gmx.com> wrote:
>>
>>
>>
>> On 2018年07月03日 20:37, Xu, Wen wrote:
>>> Sure, thanks for your efforts! So as I suppose, 199833 and 199835 are implicitly fixed by these patches as well?
>>>
>>> -Wen
>>
>> Yep.
>>
>> Kernel can know detect all related chunk <-> block group mapping problem
>> in all 6 images and exit gracefully with error message showing what's
>> going wrong.
>>
>> You could also test using this branch:
>> https://github.com/adam900710/linux/tree/tree_checker_enhance
>>
>> Thanks,
>> Qu
>>
>>
>>>
>>>> On Jul 3, 2018, at 4:32 AM, Qu Wenruo <quwenruo.btrfs@gmx.com> wrote:
>>>>
>>>>
>>>>
>>>> On 2018年07月01日 08:06, Xu, Wen wrote:
>>>>> Dear BTRFS developers,
>>>>>
>>>>> I would like to know if these issues are fixed or handled? Thanks.
>>>>>
>>>>> -Wen
>>>>
>>>> All these images should be addressed by the following patches now:
>>>> https://patchwork.kernel.org/patch/10503415/
>>>> https://patchwork.kernel.org/patch/10503413/
>>>> https://patchwork.kernel.org/patch/10503403/
>>>> https://patchwork.kernel.org/patch/10503147/
>>>> https://patchwork.kernel.org/patch/10503099/
>>>>
>>>> Some of them may need extra cosmetic updates, but the basic fix should
>>>> not change much.
>>>>
>>>> If you have any newer fuzzed image which could pass kernel mount and
>>>> cause unexpected behavior, feel free to submit them to btrfs maillist
>>>> and kernel bugzilla.
>>>>
>>>> Thanks,
>>>> Qu
>>>>
>>>>>
>>>>>> On Jun 3, 2018, at 6:22 PM, Wen Xu <xuwen.sjtu@gmail.com> wrote:
>>>>>>
>>>>>> Hi btrfs maintainers and developers,
>>>>>>
>>>>>> Here are a list of bugs found in upstream kernel recently. Please check:
>>>>>>
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=199833
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=199835
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=199837
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=199839
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=199847
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=199849
>>>>>>
>>>>>> Thanks,
>>>>>> Wen
>>>>>
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