netdev - Re: [PATCH net-next 06/18] net: axienet: fix teardown order of MDIO bus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190604023445.GL17267@lunn.ch>
Date:   Tue, 4 Jun 2019 04:34:45 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Robert Hancock <hancock@...systems.ca>
Cc:     netdev@...r.kernel.org, anirudh@...inx.com, John.Linn@...inx.com
Subject: Re: [PATCH net-next 06/18] net: axienet: fix teardown order of MDIO
 bus

On Mon, Jun 03, 2019 at 03:57:05PM -0600, Robert Hancock wrote:
> Since the MDIO is is brought up before the netdev is registered, it
> should be torn down after the netdev is removed. Otherwise, PHY accesses
> can potentially access freed MDIO bus references and cause a crash.
> 
> Signed-off-by: Robert Hancock <hancock@...systems.ca>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew