linux-kernel - Re: [PATCH] hv_netvsc: Validate number of allocated sub-channels

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Message-ID: <20201118173715.60b5a8f2@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Wed, 18 Nov 2020 17:37:15 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     "Andrea Parri (Microsoft)" <parri.andrea@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        "K . Y . Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, linux-hyperv@...r.kernel.org,
        Michael Kelley <mikelley@...rosoft.com>,
        Juan Vazquez <juvazq@...rosoft.com>,
        Saruhan Karademir <skarade@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] hv_netvsc: Validate number of allocated sub-channels

On Wed, 18 Nov 2020 16:33:10 +0100 Andrea Parri (Microsoft) wrote:
> Lack of validation could lead to out-of-bound reads and information
> leaks (cf. usage of nvdev->chan_table[]).  Check that the number of
> allocated sub-channels fits into the expected range.
> 
> Suggested-by: Saruhan Karademir <skarade@...rosoft.com>
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@...il.com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: netdev@...r.kernel.org

Acked-by: Jakub Kicinski <kuba@...nel.org>