netdev - RE: [PATCH] net: hyperv: fix a NULL pointer dereference

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Message-ID: <DM5PR2101MB0725E206EC1B6AA6CE2DB8E6CA480@DM5PR2101MB0725.namprd21.prod.outlook.com>
Date:   Mon, 11 Mar 2019 19:49:53 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     Haiyang Zhang <haiyangz@...rosoft.com>, Kangjie Lu <kjlu@....edu>
CC:     "pakki001@....edu" <pakki001@....edu>,
        KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] net: hyperv: fix a NULL pointer dereference



> -----Original Message-----
> From: linux-hyperv-owner@...r.kernel.org <linux-hyperv-
> owner@...r.kernel.org> On Behalf Of Haiyang Zhang
> Sent: Monday, March 11, 2019 3:47 PM
> To: Kangjie Lu <kjlu@....edu>
> Cc: pakki001@....edu; KY Srinivasan <kys@...rosoft.com>; Stephen
> Hemminger <sthemmin@...rosoft.com>; Sasha Levin <sashal@...nel.org>;
> David S. Miller <davem@...emloft.net>; linux-hyperv@...r.kernel.org;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: RE: [PATCH] net: hyperv: fix a NULL pointer dereference
> 
> 
> 
> > -----Original Message-----
> > From: Kangjie Lu <kjlu@....edu>
> > Sent: Monday, March 11, 2019 3:17 AM
> > 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>; David S. Miller
> > <davem@...emloft.net>; linux-hyperv@...r.kernel.org;
> > netdev@...r.kernel.org; linux- kernel@...r.kernel.org
> > Subject: [PATCH] net: hyperv: fix a NULL pointer dereference
> >
> > In case kvmalloc_array fails, we should stop using it to avoid NULL
> > pointer dereference.
> >
> > Signed-off-by: Kangjie Lu <kjlu@....edu>
> > ---
> 
Also, please change the subject to be more specific:
	hv_netvsc: fix a possible NULL pointer dereference in netvsc_get_ethtool_stats()

Thanks.