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From: Gerd Hoffmann <kraxel@redhat.com>
To: P J P <ppandit@redhat.com>
Cc: Prasad J Pandit <pjp@fedoraproject.org>,
	Li Qiang <liq3ea@gmail.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Yi Ren <yunye.ry@alibaba-inc.com>,
	Yongkang Jia <j_kangel@163.com>, Gaoning Pan <pgn@zju.edu.cn>
Subject: Re: [PATCH v2 0/2] hw: usb: hcd-ohci: fix oob access and loop issues
Date: Mon, 21 Sep 2020 09:53:28 +0200	[thread overview]
Message-ID: <20200921075328.zumquffvf3ojnjes@sirius.home.kraxel.org> (raw)
In-Reply-To: <20200915182259.68522-1-ppandit@redhat.com>

On Tue, Sep 15, 2020 at 11:52:57PM +0530, P J P wrote:
> From: Prasad J Pandit <pjp@fedoraproject.org>
> 
> Hello,
> 
> * While servicing transfer descriptors(TD) in ohci_service[_iso]_td
>   routines, it may lead to out-of-bounds access and/or infinite loop
>   issues, as the OHCI controller driver may supply malicious values
>   to derive frame_number, start_addr, end_addr etc. variables.
> 
> * This series breaks earlier single patch into two.
>   One for an out-of-bounds access issue and another to fix infinite
>   loop case.
>   -> https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05145.html

Added to usb patch queue.

thanks,
  Gerd



      parent reply	other threads:[~2020-09-21  7:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15 18:22 [PATCH v2 0/2] hw: usb: hcd-ohci: fix oob access and loop issues P J P
2020-09-15 18:22 ` [PATCH v2 1/2] hw: usb: hcd-ohci: check len and frame_number variables P J P
2020-09-15 18:22 ` [PATCH v2 2/2] hw: usb: hcd-ohci: check for processed TD before retire P J P
2020-09-16 14:51   ` Li Qiang
2020-09-21  7:53 ` Gerd Hoffmann [this message]

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