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From: Peter Maydell <peter.maydell@linaro.org>
To: Laurent Vivier <laurent@vivier.eu>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
	Riku Voipio <riku.voipio@iki.fi>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Subject: Re: [Qemu-devel] [PATCH] linux-user: fix recvmsg()/recvfrom() with netlink and MSG_TRUNC
Date: Thu, 16 Aug 2018 14:00:10 +0100	[thread overview]
Message-ID: <CAFEAcA-gyw3Roc7RrsXBu1qVwvQKjegXwkALCvCRLTOvjPvUYg@mail.gmail.com> (raw)
In-Reply-To: <20180806211806.29845-1-laurent@vivier.eu>

On 6 August 2018 at 22:18, Laurent Vivier <laurent@vivier.eu> wrote:
> If recvmsg()/recvfrom() are used with the MSG_TRUNC flag, they return the
> real length even if it was longer than the passed buffer.
> So when we translate the buffer we must check we don't go beyond the
> end of the buffer.
>
> Bug: https://github.com/vivier/qemu-m68k/issues/33
> Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
> Signed-off-by: Laurent Vivier <laurent@vivier.eu>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM

      reply	other threads:[~2018-08-16 13:00 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-06 21:18 [Qemu-devel] [PATCH] linux-user: fix recvmsg()/recvfrom() with netlink and MSG_TRUNC Laurent Vivier
2018-08-16 13:00 ` Peter Maydell [this message]

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