netdev - Re: RCU callback crashes

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: <CAM_iQpUtAeNffXuJ7rboZLB1H52LuMHzoC8Kh-5Zy_xTVNq6XQ@mail.gmail.com>
Date:   Wed, 20 Dec 2017 14:25:01 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     John Fastabend <john.fastabend@...il.com>
Cc:     Jiri Pirko <jiri@...nulli.us>, Jakub Kicinski <kubakici@...pl>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: RCU callback crashes

On Wed, Dec 20, 2017 at 12:14 PM, John Fastabend
<john.fastabend@...il.com> wrote:
>
> Hi,
>
> Just sent a patch to complete qdisc_destroy from rcu callback. This
> is needed to resolve a race with the lockless qdisc patches.
>
> But I guess it should fix the miniq issue as well?


If you ever look into tools/testing/selftests/bpf/test_offload.py, it is
ingress qdisc. Don't know why you keep believing it is related
to your patches.