netdev - Re: [PATCH net] tun/tap: sanitize TUNSETSNDBUF input

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Message-ID: <1509404850.11887.63.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Mon, 30 Oct 2017 16:07:30 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Craig Gallek <kraigatgoog@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net] tun/tap: sanitize TUNSETSNDBUF input

On Mon, 2017-10-30 at 18:50 -0400, Craig Gallek wrote:
> From: Craig Gallek <kraig@...gle.com>
> 
> Syzkaller found several variants of the lockup below by setting negative
> values with the TUNSETSNDBUF ioctl.  This patch adds a sanity check
> to both the tun and tap versions of this ioctl.
> 

Reviewed-by: Eric Dumazet <edumazet@...gle.com>

Thanks !