linux-kernel - Re: [PATCHv2] kvm: Fix nonsense handling of compat ioctl

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Message-ID: <20120826181200.GA27669@amt.cnet>
Date:	Sun, 26 Aug 2012 15:12:00 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] kvm: Fix nonsense handling of compat ioctl

On Wed, Aug 22, 2012 at 02:34:11PM +0100, Alan Cox wrote:
> From: Alan Cox <alan@...ux.intel.com>
> 
> KVM_SET_SIGNAL_MASK passed a NULL argument leaves the on stack signal
> sets uninitialized. It then passes them through to
> kvm_vcpu_ioctl_set_sigmask.
> 
> We should be passing a NULL in this case not translated garbage.
> 
> Signed-off-by: Alan Cox <alan@...ux.intel.com>

Applied, thanks.

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