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Date: Mon, 16 Oct 2023 13:57:29 -0700
From: Stephen Hemminger <>
To: Eric Dumazet <>
Cc: "David S . Miller" <>, Jakub Kicinski
 <>, Paolo Abeni <>,,, syzbot <>
Subject: Re: [PATCH net] tun: prevent negative ifindex

On Mon, 16 Oct 2023 21:42:10 +0200
Eric Dumazet <> wrote:

> Setting tfile->ifindex to zero should be a NOP ?
> This means dev_index_reserve() will allocate a ifindex for us.
> Not sure we want to prevent something that was working properly in the past.

That makes sense. did not read ahead to see what happens

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