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From: Paolo Bonzini <pbonzini@redhat.com>
To: P J P <ppandit@redhat.com>, Stefan Weil <sw@weilnetz.de>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Qemu devel <qemu-devel@nongnu.org>,
	Donghai Zdh <donghai.zdh@alibaba-inc.com>
Subject: Re: [Qemu-devel] [PATCH v2 for v2.3.0] fw_cfg: add check to validate current entry value
Date: Mon, 11 Jan 2016 13:28:06 +0100	[thread overview]
Message-ID: <56939FD6.2040002@redhat.com> (raw)
In-Reply-To: <alpine.LFD.2.20.1601111248240.17226@wniryva>



On 11/01/2016 08:23, P J P wrote:
>   Hello,
> 
> +-- On Wed, 6 Jan 2016, P J P wrote --+
> | When processing firmware configurations, an OOB r/w access occurs
> | if 's->cur_entry' is set to be invalid(FW_CFG_INVALID=0xffff).
> | Add a check to validate 's->cur_entry' to avoid such access.
> | 
> | Reported-by: Donghai Zdh <donghai.zdh@alibaba-inc.com>
> | Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
> | ---
> |  hw/nvram/fw_cfg.c | 12 ++++++++----
> |  1 file changed, 8 insertions(+), 4 deletions(-)
> | 
> | Updated as per review in
> |   -> https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00398.html
> 
> 
>   -> https://patchwork.ozlabs.org/patch/563706/
> 
> Ping...! Does it look okay? (just checking)

Yes, it looks good.

Paolo

  reply	other threads:[~2016-01-11 12:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-06  6:16 [Qemu-devel] [PATCH v2 for v2.3.0] fw_cfg: add check to validate current entry value P J P
2016-01-11  7:23 ` P J P
2016-01-11 12:28   ` Paolo Bonzini [this message]
2016-01-11 16:34     ` P J P

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