netdev - Re: [PATCH net] net/sched: act_police: add missing spinlock initialization

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAM_iQpVE+sDEHxoo2r4AM3Z7RFE3OV76MWh+21S569Prg0VGHA@mail.gmail.com>
Date:   Wed, 21 Nov 2018 10:02:53 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Davide Caratti <dcaratti@...hat.com>
Cc:     Eric Dumazet <edumazet@...gle.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Jiri Pirko <jiri@...nulli.us>,
        David Miller <davem@...emloft.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Ivan Vecera <ivecera@...hat.com>
Subject: Re: [PATCH net] net/sched: act_police: add missing spinlock initialization

On Wed, Nov 21, 2018 at 9:24 AM Davide Caratti <dcaratti@...hat.com> wrote:
>
> commit f2cbd4852820 ("net/sched: act_police: fix race condition on state
> variables") introduces a new spinlock, but forgets its initialization.
> Ensure that tcf_police_init() initializes 'tcfp_lock' every time a 'police'
> action is newly created, to avoid the following lockdep splat:

Acked-by: Cong Wang <xiyou.wangcong@...il.com>