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From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: KVM: Fix user access for debug registers
Date: Wed, 16 Sep 2015 15:06:57 +0100	[thread overview]
Message-ID: <55F97781.1060502@arm.com> (raw)
In-Reply-To: <20150916134141.GA15903@cbox>

On 16/09/15 14:41, Christoffer Dall wrote:
> On Wed, Sep 16, 2015 at 11:41:10AM +0100, Marc Zyngier wrote:
>> When setting the debug register from userspace, make sure that
>> copy_from_user() is called with its parameters in the expected
>> order. It otherwise doesn't do what you think.
>>
>> Reported-by: Peter Maydell <peter.maydell@linaro.org>
>> Cc: Alex Benn?e <alex.bennee@linaro.org>
>> Fixes: 84e690bfbed1 ("KVM: arm64: introduce vcpu->arch.debug_ptr")
>> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
>
> yikes!
>
> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
>

Thanks. Merged and pushed out to -next, together with the physaddr_t patch.

        M.
--
Jazz is not dead. It just smells funny...

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  reply	other threads:[~2015-09-16 14:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-16 10:41 [PATCH] arm64: KVM: Fix user access for debug registers Marc Zyngier
2015-09-16 13:41 ` Christoffer Dall
2015-09-16 14:06   ` Marc Zyngier [this message]
2015-09-16 14:35   ` Alex Bennée
2015-09-16 14:46     ` Marc Zyngier
2015-09-16 14:42 ` Alex Bennée

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