Re: [PATCH v6 00/21] Add virtual device fuzzing support

[Stefan Hajnoczi]

On Fri, Nov 29, 2019 at 09:34:35PM +0000, Oleinik, Alexander wrote:
> This series adds a framework for coverage-guided fuzzing of
> virtual-devices. Fuzzing targets are based on qtest and can make use of
> the libqos abstractions.
> 
> In this version, I added a virtio-scsi fuzzer. The actual fuzzing code
> is very similar to the the virtio-net fuzzer. I experimented with using
> a single fuzzer with device-specific initialization for each virtio
> device, but it did not come out as cleanly as I hoped, since I could not
> find an easy way to override the qos drivers for devices that have
> more-complete qos support (such as virtio-net), so these changes have
> not made it into v6.
> 
> V5/V6: (V5 did not have review tags)
>  * added virtio-scsi fuzzer
>  * add support for using fork-based fuzzers with multiple libfuzzer
>    workers
>  * misc fixes addressing V4 comments
>  * cleanup in-process handlers/globals in libqtest.c
>  * small fixes to fork-based fuzzing and support for multiple workers
>  * changes to the virtio-net fuzzer to kick after each vq add

Please run scripts/checkpatch.pl on all patches in case you haven't
already.

I have finished reviewing this revision and posted my Reviewed-by on
most patches.  Unless other feedback is raised the next revision could
be merged.

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