linux-kernel - Re: [PATCH] percpu_counter: Remove debug_object

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]

Date:   Mon, 16 Apr 2018 14:48:10 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Gaurav Kohli <gkohli@...eaurora.org>
Cc:     gregkh@...uxfoundation.org, nborisov@...e.com,
        akpm@...ux-foundation.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] percpu_counter: Remove debug_object_free call twice

On Fri, Apr 13, 2018 at 03:05:03PM +0530, Gaurav Kohli wrote:
> During percpu_counter destroy, debug_object_free is calling
> twice which may create race. So removing once instance of call
> from debug_percpu_counter_deactivate.

I don't quite follow.  Can you please elaborate how it can be called
twice?

Thanks.

-- 
tejun