linux-kernel - Re: [PATCH] xen/x86/vpmu: Zero struct pt_regs before calling into sample handling code

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Date:   Fri, 13 Jul 2018 10:41:44 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Cc:     mark.rutland@....com, stable@...r.kernel.org
Subject: Re: [PATCH] xen/x86/vpmu: Zero struct pt_regs before calling into
 sample handling code

On 12/07/18 19:27, Boris Ostrovsky wrote:
> Otherwise we may leak kernel stack for events that sample user
> registers.
> 
> Reported-by: Mark Rutland <mark.rutland@....com>
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> Cc: stable@...r.kernel.org

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen