linux-kernel - RE: [PATCH] hyperv: a potential NULL pointer dereference

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Message-ID: <CY4PR21MB077378A6C09FEDE31990D86DA0410@CY4PR21MB0773.namprd21.prod.outlook.com>
Date:   Wed, 20 Mar 2019 14:40:28 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     Thomas Gleixner <tglx@...utronix.de>
CC:     Kangjie Lu <kjlu@....edu>, "pakki001@....edu" <pakki001@....edu>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] hyperv: a potential NULL pointer dereference



> -----Original Message-----
> From: Thomas Gleixner <tglx@...utronix.de>
> Sent: Wednesday, March 20, 2019 3:21 AM
> To: KY Srinivasan <kys@...rosoft.com>
> Cc: Kangjie Lu <kjlu@....edu>; pakki001@....edu; Haiyang Zhang
> <haiyangz@...rosoft.com>; Stephen Hemminger
> <sthemmin@...rosoft.com>; Sasha Levin <sashal@...nel.org>; Ingo Molnar
> <mingo@...hat.com>; Borislav Petkov <bp@...en8.de>; H. Peter Anvin
> <hpa@...or.com>; x86@...nel.org; linux-hyperv@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Subject: RE: [PATCH] hyperv: a potential NULL pointer dereference
> 
> On Thu, 14 Mar 2019, KY Srinivasan wrote:
> > > -----Original Message-----
> > > From: Kangjie Lu <kjlu@....edu>
> > > Sent: Wednesday, March 13, 2019 10:47 PM
> > > To: kjlu@....edu
> > > Cc: pakki001@....edu; KY Srinivasan <kys@...rosoft.com>; Haiyang
> Zhang
> > > <haiyangz@...rosoft.com>; Stephen Hemminger
> > > <sthemmin@...rosoft.com>; Sasha Levin <sashal@...nel.org>; Thomas
> > > Gleixner <tglx@...utronix.de>; Ingo Molnar <mingo@...hat.com>;
> Borislav
> > > Petkov <bp@...en8.de>; H. Peter Anvin <hpa@...or.com>;
> x86@...nel.org;
> > > linux-hyperv@...r.kernel.org; linux-kernel@...r.kernel.org
> > > Subject: [PATCH] hyperv: a potential NULL pointer dereference
> > >
> > > In case alloc_page, the fix returns -ENOMEM to avoid the potential
> > > NULL pointer dereference.
> > >
> > Thanks.
> >
> > > Signed-off-by: Kangjie Lu <kjlu@....edu>
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> 
> Did you mean: Reviewed-by or Acked-by?
Sorry, I meant Acked-by.

K. Y
> 
> You cannot sign off on a patch from
> someone else which you are not picking up and transporting it further.
> 
> Thanks,
> 
> 	tglx