Re: [PATCH 0/2] tests/qtest/fuzz: Avoid QTest serialization

[Philippe Mathieu-Daudé]

On 5/26/20 4:56 PM, Alexander Bulekov wrote:
> On 200526 1105, Philippe Mathieu-Daudé wrote:
>> On 5/26/20 10:56 AM, Stefan Hajnoczi wrote:
>>> On Tue, May 26, 2020 at 07:58:18AM +0200, Philippe Mathieu-Daudé wrote:
>>>> Hi Alexander,
>>>>
>>>> I forgot to share these 2 patches wrote before
>>>> the direct MemoryRegion fuzzer sent yesterday.
>>>>
>>>> Regards,
>>>>
>>>> Phil.
>>>>
>>>> Philippe Mathieu-Daudé (2):
>>>>   tests/qtest/fuzz: Avoid QTest ioport serialization
>>>>   tests/qtest/fuzz: Avoid QTest mmio serialization
>>>>
>>>>  tests/qtest/fuzz/i440fx_fuzz.c      | 19 +++++++++++++------
>>>>  tests/qtest/fuzz/virtio_net_fuzz.c  |  6 ++++--
>>>>  tests/qtest/fuzz/virtio_scsi_fuzz.c |  6 +++++-
>>>>  3 files changed, 22 insertions(+), 9 deletions(-)
>>>
>>> Will it still be possible to print qtest reproducer commands when a
>>> crash is found?
>>
>> Yes, there is no change in the corpus format.
> 
> Yes, though with these patches, the qtest-based code will be gone.
> Should there be some option to switch between the two modes?

How so?

How do you generate your reproducers?

> 
>>>
>>> Other than this concern, higher fuzzing rates would be great.
>>
>> Thanks,
>>
>> Phil.
>