Christoffer Dall <christoffer.dall@xxxxxxxxxx> writes:
> 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@xxxxxxxxxx>
>> Cc: Alex Bennée <alex.bennee@xxxxxxxxxx>
>> Fixes: 84e690bfbed1 ("KVM: arm64: introduce vcpu->arch.debug_ptr")
>> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
>
> yikes!
OK I'm now muchly confused as to how it could have worked...
>
> Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
--
Alex Bennée
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