Re: [PATCH v2 2/3] docs/fuzz: add some information about OSS-Fuzz

[Darren Kenny <darren.kenny@oracle.com>]

On Sunday, 2021-01-17 at 18:09:23 -05, Alexander Bulekov wrote:
> Signed-off-by: Alexander Bulekov <alxndr@bu.edu>

Reviewed-by: Darren Kenny <darren.kenny@oracle.com>

> ---
>  docs/devel/fuzzing.rst | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> diff --git a/docs/devel/fuzzing.rst b/docs/devel/fuzzing.rst
> index 6096242d99..8792358854 100644
> --- a/docs/devel/fuzzing.rst
> +++ b/docs/devel/fuzzing.rst
> @@ -181,6 +181,32 @@ To ensure that these env variables have been configured correctly, we can use::
>  
>  The output should contain a complete list of matched MemoryRegions.
>  
> +OSS-Fuzz
> +--------
> +QEMU is continuously fuzzed on `OSS-Fuzz` __(https://github.com/google/oss-fuzz).
> +By default, the OSS-Fuzz build will try to fuzz every fuzz-target. Since the
> +generic-fuzz target requires additional information provided in environment
> +variables, we pre-define some generic-fuzz configs in
> +``tests/qtest/fuzz/generic_fuzz_configs.h``. Each config must specify:
> + * ``.name``: To identify the fuzzer config
> + * ``.args`` OR ``.argfunc``: A string or pointer to a function returning a
> +   string.  These strings are used to specify the ``QEMU_FUZZ_ARGS``
> +   environment variable.  ``argfunc`` is useful when the config relies on e.g.
> +   a dynamically created temp directory, or a free tcp/udp port.
> + * ``.objects``: A string that specifies the ``QEMU_FUZZ_OBJECTS`` environment
> +   variable.
> +
> +To fuzz additional devices/device configuration on OSS-Fuzz:
> + * Send patches for a new device-specific fuzzer
> + * Send patches for a new generic-fuzz config
> +
> +Build details:
> + * `The basic Dockerfile that sets up the environment for building QEMU's
> +   fuzzers on OSS-Fuzz
> +   <https://github.com/google/oss-fuzz/blob/master/projects/qemu/Dockerfile>`_
> + * The script responsible for building the fuzzers:
> +   ``scripts/oss-fuzz/build.sh``
> +
>  Implementation Details / Fuzzer Lifecycle
>  -----------------------------------------
>  
> -- 
> 2.28.0