netdev - Re: [PATCH net] rtnetlink: Reject negative ifindexes in RTM

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Message-ID: <20230823190631.4297d08c@kernel.org>
Date: Wed, 23 Aug 2023 19:06:31 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Ido Schimmel <idosch@...dia.com>
Cc: <netdev@...r.kernel.org>, <davem@...emloft.net>, <pabeni@...hat.com>,
 <edumazet@...gle.com>, <razor@...ckwall.org>, <jiri@...dia.com>,
 <mlxsw@...dia.com>
Subject: Re: [PATCH net] rtnetlink: Reject negative ifindexes in RTM_NEWLINK

On Wed, 23 Aug 2023 09:43:48 +0300 Ido Schimmel wrote:
> Negative ifindexes are illegal, but the kernel does not validate the
> ifindex in the ancillary header of RTM_NEWLINK messages, resulting in
> the kernel generating a warning [1] when such an ifindex is specified.

Reviewed-by: Jakub Kicinski <kuba@...nel.org>

Thanks!