netdev - Re: [PATCH v2 net] bonding: avoid lockdep confusion in bond_get

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:   Wed, 01 Aug 2018 09:36:32 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        j.vosburgh@...il.com, vfalico@...il.com, andy@...yhouse.net
Subject: Re: [PATCH v2 net] bonding: avoid lockdep confusion in
 bond_get_stats()

From: Eric Dumazet <edumazet@...gle.com>
Date: Tue, 31 Jul 2018 06:30:54 -0700

> syzbot found that the following sequence produces a LOCKDEP splat [1]
 ...
> To fix this, we can use the already provided nest_level.
> 
> This patch also provides correct nesting for dev->addr_list_lock
 ...
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.