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Date:   Thu, 9 May 2019 04:35:38 -0700
From:   Eric Dumazet <>
To:     Jason Wang <>,,
Subject: Re: [PATCH net V3 1/2] tuntap: fix dividing by zero in ebpf queue

On 5/8/19 11:20 PM, Jason Wang wrote:
> We need check if tun->numqueues is zero (e.g for the persist device)
> before trying to use it for modular arithmetic.
> Reported-by: Eric Dumazet <>
> Fixes: 96f84061620c6("tun: add eBPF based queue selection method")
> Signed-off-by: Jason Wang <>
> ---

Reviewed-by: Eric Dumazet <>


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