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From: Greg Kurz <groug@kaod.org>
To: Alexander Bulekov <alxndr@bu.edu>
Cc: Laurent Vivier <lvivier@redhat.com>,
	Thomas Huth <thuth@redhat.com>,
	Christian Schoenebeck <qemu_oss@crudebyte.com>,
	qemu-devel@nongnu.org, Bandan Das <bsd@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH] fuzz: Add virtio-9p configurations for fuzzing
Date: Fri, 15 Jan 2021 13:23:08 +0100	[thread overview]
Message-ID: <20210115132308.371a0675@bahia.lan> (raw)
In-Reply-To: <20210114221748.503565-1-alxndr@bu.edu>

On Thu, 14 Jan 2021 17:17:48 -0500
Alexander Bulekov <alxndr@bu.edu> wrote:

> Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
> ---

No changelog at all ? 

>  tests/qtest/fuzz/generic_fuzz_configs.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/tests/qtest/fuzz/generic_fuzz_configs.h b/tests/qtest/fuzz/generic_fuzz_configs.h
> index 7fed035345..ffdb590c58 100644
> --- a/tests/qtest/fuzz/generic_fuzz_configs.h
> +++ b/tests/qtest/fuzz/generic_fuzz_configs.h
> @@ -59,6 +59,18 @@ const generic_fuzz_config predefined_configs[] = {
>          .name = "virtio-mouse",
>          .args = "-machine q35 -nodefaults -device virtio-mouse",
>          .objects = "virtio*",
> +    },{
> +        .name = "virtio-9p",
> +        .args = "-machine q35 -nodefaults "
> +        "-device virtio-9p,fsdev=hshare,mount_tag=hshare "
> +        "-fsdev local,id=hshare,path=/tmp/,security_model=none",

Sharing a general purpose directory like "/tmp" is definitely not a
recommended practice. This is typically the kind of thing that I'd
like to see documented in the changelog to help me understand ;-)

What operations does the fuzz test perform on the device ?

> +        .objects = "virtio*",
> +    },{
> +        .name = "virtio-9p-synth",
> +        .args = "-machine q35 -nodefaults "
> +        "-device virtio-9p,fsdev=hshare,mount_tag=hshare "
> +        "-fsdev synth,id=hshare",
> +        .objects = "virtio*",

Not sure this is super useful since the only known use case for
the synth fsdev driver is running the virtio-9p qtest, but
it looks fine anyway.

>      },{
>          .name = "e1000",
>          .args = "-M q35 -nodefaults "



  parent reply	other threads:[~2021-01-15 12:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-14 22:17 [PATCH] fuzz: Add virtio-9p configurations for fuzzing Alexander Bulekov
2021-01-15 10:33 ` Darren Kenny
2021-01-15 15:18   ` Alexander Bulekov
2021-01-15 12:23 ` Greg Kurz [this message]
2021-01-15 12:51   ` Christian Schoenebeck via
2021-01-15 15:38     ` Alexander Bulekov
2021-01-15 15:32   ` Alexander Bulekov

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