linux-kernel - Re: iwlwifi: Regression after migrating to 6.6.32

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: <82d2f2de67bf9284a124225b879c18790fb996ca.camel@sipsolutions.net>
Date: Thu, 13 Jun 2024 08:58:26 +0200
From: Johannes Berg <johannes@...solutions.net>
To: Fabio Estevam <festevam@...il.com>
Cc: miriam.rachel.korenblit@...el.com, kvalo@...nel.org, Jakub Kicinski
	 <kuba@...nel.org>, linux-wireless <linux-wireless@...r.kernel.org>, 
 linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: iwlwifi: Regression after migrating to 6.6.32

On Wed, 2024-06-12 at 16:15 -0300, Fabio Estevam wrote:
> Hi Johannes,
> 
> On Wed, Jun 12, 2024 at 4:10 PM Johannes Berg <johannes@...solutions.net> wrote:
> 
> > Strange. Is there an IOMMU involved on this platform?
> 
> IOMMU isn't available on i.MX8M as far as I know.

Alright, so I don't know.

> Interestingly, such a warning does not happen with the 5.10 kernel.

Sure, but that's also _ancient_. There are >12k commits since then that
change arch/arm64/ alone ... And since we didn't change the driver, I
guess the issue is somewhere there?

But ... I see you're one of the NXP ARM64 kernel maintainers so you will
likely know better than me what's going on there :P

I guess you could also check the *virtual* address of the allocated
paged isn't also weirdly unaligned, but either way it's strange that the
arch/iommu/... gives an unaligned physical/IO-virtual address.

johannes