netdev - Re: [PATCH net] net: dsa: Don't dereference dst->cpu

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] [day] [month] [year] [list]

Date:   Mon, 28 Aug 2017 21:20:21 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, dan.carpenter@...cle.com
Subject: Re: [PATCH net] net: dsa: Don't dereference dst->cpu_dp->netdev

From: Florian Fainelli <f.fainelli@...il.com>
Date: Mon, 28 Aug 2017 17:10:51 -0700

> If we do not have a master network device attached dst->cpu_dp will be
> NULL and accessing cpu_dp->netdev will create a trace similar to the one
> below. The correct check is on dst->cpu_dp period.
 ...
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Fixes: 6d3c8c0dd88a ("net: dsa: Remove master_netdev and use dst->cpu_dp->netdev")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied, thanks Florian.