linux-kernel - Re: [regression] Bug 217037 - cmb attributes missing from the nvme class under sysfs

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: <CACosJgyjgh+cz6nTrKWVQ9P8Z9_wJGWGQBOjae2MoJrZQ3RmTQ@mail.gmail.com>
Date:   Sun, 19 Feb 2023 23:54:37 +0100
From:   Michal Berger <michallinuxstuff@...il.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Keith Busch <kbusch@...nel.org>,
        Linux regressions mailing list <regressions@...ts.linux.dev>,
        Jens Axboe <axboe@...com>, Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [regression] Bug 217037 - cmb attributes missing from the nvme
 class under sysfs

Have there been any patches submitted for testing? I don't see any as
part of this thread nor at the bugzilla where the issue was initially
reported. :)

Regards,
Michal


pt., 17 lut 2023 o 22:23 Jens Axboe <axboe@...nel.dk> napisał(a):
>
> On Thu, Feb 16, 2023 at 8:19 AM Keith Busch <kbusch@...nel.org> wrote:
> >
> > On Thu, Feb 16, 2023 at 10:28:55AM +0100, Linux regression tracking (Thorsten Leemhuis) wrote:
> > > Hi, this is your Linux kernel regression tracker.
> > >
> > > I noticed a regression report in bugzilla.kernel.org. As many (most?)
> > > kernel developer don't keep an eye on it, I decided to forward it by
> > > mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=217037 :
> > >
> > > >  michallinuxstuff@...il.com 2023-02-14 14:16:26 UTC
> > > >
> > > > For the CMB-capable nvme ctrls, kernel was exposing couple of related attributes under the sysfs. E.g.
> > > >
> > > >
> > > > # grep . /sys/class/nvme/nvme0/cmb*
> > > > /sys/class/nvme/nvme0/cmb:cmbloc : x00000062
> > > > /sys/class/nvme/nvme0/cmb:cmbsz  : x0008021d
> > > > /sys/class/nvme/nvme0/cmbloc:98
> > > > /sys/class/nvme/nvme0/cmbsz:524829
> >
> > The breakage is that the attributes are decided before we've setup the cmb
> > regions. I'll send a fix shortly.
>
> Michael, have you tested this? It's queued up for inclusion, but I don't
> see any evidence that this was tested.
>
> --
> Jens Axboe
>