netdev - Re: [PATCH bpf-next] netdevsim: fix overflow on the error path

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Message-ID: <20180201094658.4id4bwjzc5ube3ia@netronome.com>
Date:   Thu, 1 Feb 2018 10:46:59 +0100
From:   Simon Horman <simon.horman@...ronome.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     daniel@...earbox.net, alexei.starovoitov@...il.com,
        dan.carpenter@...cle.com, netdev@...r.kernel.org,
        oss-drivers@...ronome.com
Subject: Re: [PATCH bpf-next] netdevsim: fix overflow on the error path

On Fri, Jan 26, 2018 at 07:50:00PM -0800, Jakub Kicinski wrote:
> Undo loop condition on the error path would cause the i counter
> to go below zero, if allocation failure happened with the first
> (i.e. 0th) element of the array.
> 
> Fixes: 395cacb5f1a0 ("netdevsim: bpf: support fake map offload")
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>

Reviewed-by: Simon Horman <simon.horman@...ronome.com>