netdev - Re: [PATCH v2 4/8] taint: Add TAINT

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: <20240710160424.GB1482543@nvidia.com>
Date: Wed, 10 Jul 2024 13:04:24 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: Jonathan Corbet <corbet@....net>, Itay Avraham <itayavr@...dia.com>,
	Jakub Kicinski <kuba@...nel.org>, Leon Romanovsky <leon@...nel.org>,
	linux-doc@...r.kernel.org, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	Tariq Toukan <tariqt@...dia.com>,
	Andy Gospodarek <andrew.gospodarek@...adcom.com>,
	Aron Silverton <aron.silverton@...cle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Ahern <dsahern@...nel.org>,
	Christoph Hellwig <hch@...radead.org>, Jiri Pirko <jiri@...dia.com>,
	Leonid Bloch <lbloch@...dia.com>,
	Leon Romanovsky <leonro@...dia.com>, linux-cxl@...r.kernel.org,
	patches@...ts.linux.dev
Subject: Re: [PATCH v2 4/8] taint: Add TAINT_FWCTL

On Tue, Jun 25, 2024 at 12:03:35PM -0700, Randy Dunlap wrote:
> 
> 
> On 6/24/24 3:47 PM, Jason Gunthorpe wrote:
> > Requesting a fwctl scope of access that includes mutating device debug
> > data will cause the kernel to be tainted. Changing the device operation
> > through things in the debug scope may cause the device to malfunction in
> > undefined ways. This should be reflected in the TAINT flags to help any
> > debuggers understand that something has been done.
> > 
> > Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
> 
> Please also update tools/debugging/kernel-chktaint.

Got it, thanks

Jason