linux-kernel - Re: [PATCH v2] block: Suppress uevent for hidden device when removed

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:   Thu, 11 Mar 2021 11:48:48 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Daniel Wagner <dwagner@...e.de>, linux-block@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Martin Wilck <mwilck@...e.com>
Subject: Re: [PATCH v2] block: Suppress uevent for hidden device when removed

On 3/11/21 8:19 AM, Daniel Wagner wrote:
> register_disk() suppress uevents for devices with the GENHD_FL_HIDDEN
> but enables uevents at the end again in order to announce disk after
> possible partitions are created.
> 
> When the device is removed the uevents are still on and user land sees
> 'remove' messages for devices which were never 'add'ed to the system.
> 
>   KERNEL[95481.571887] remove   /devices/virtual/nvme-fabrics/ctl/nvme5/nvme0c5n1 (block)
> 
> Let's suppress the uevents for GENHD_FL_HIDDEN by not enabling the
> uevents at all.

Applied, thanks.

-- 
Jens Axboe