linux-kernel - Re: [PATCH net v2] net: fman: Use physical address for userspace interfaces

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]

Message-Id: <166660501621.28227.3493718376720166675.git-patchwork-notify@kernel.org>
Date:   Mon, 24 Oct 2022 09:50:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Sean Anderson <sean.anderson@...o.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, geert@...ux-m68k.org,
        madalin.bucur@....com, edumazet@...gle.com, camelia.groza@....com,
        kuba@...nel.org, andrew@...n.ch, afd@...com,
        linux-kernel@...r.kernel.org, pabeni@...hat.com,
        madalin.bucur@....nxp.com
Subject: Re: [PATCH net v2] net: fman: Use physical address for userspace
 interfaces

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Thu, 20 Oct 2022 11:50:41 -0400 you wrote:
> Before 262f2b782e25 ("net: fman: Map the base address once"), the
> physical address of the MAC was exposed to userspace in two places: via
> sysfs and via SIOCGIFMAP. While this is not best practice, it is an
> external ABI which is in use by userspace software.
> 
> The aforementioned commit inadvertently modified these addresses and
> made them virtual. This constitutes and ABI break.  Additionally, it
> leaks the kernel's memory layout to userspace. Partially revert that
> commit, reintroducing the resource back into struct mac_device, while
> keeping the intended changes (the rework of the address mapping).
> 
> [...]

Here is the summary with links:
  - [net,v2] net: fman: Use physical address for userspace interfaces
    https://git.kernel.org/netdev/net/c/c99f0f7e6837

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html