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

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Message-ID: <27d6898b-5074-a055-c54a-8191bf8cafa6@iogearbox.net>
Date:   Thu, 1 Feb 2018 11:24:30 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        alexei.starovoitov@...il.com
Cc:     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 01/27/2018 04:50 AM, 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>

Now that Linus has pulled everything, and we fast-forwarded bpf, applied
to bpf tree, thanks Jakub!