From: patchwork-bot+netdevbpf@kernel.org
To: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, longli@microsoft.com, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, ssengar@linux.microsoft.com,
dipayanroy@linux.microsoft.com, gargaditya@linux.microsoft.com,
shirazsaleem@microsoft.com, kees@kernel.org,
linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] net: mana: hardening: Validate adapter_mtu from MANA_QUERY_DEV_CONFIG
Date: Wed, 01 Apr 2026 03:20:13 +0000 [thread overview]
Message-ID: <177501361303.3053582.13515488108524195809.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260326173101.2010514-1-ernis@linux.microsoft.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 26 Mar 2026 10:30:56 -0700 you wrote:
> As a part of MANA hardening for CVM, validate the adapter_mtu value
> returned from the MANA_QUERY_DEV_CONFIG HWC command.
>
> The adapter_mtu value is used to compute ndev->max_mtu via:
> gc->adapter_mtu - ETH_HLEN. If hardware returns a bogus adapter_mtu
> smaller than ETH_HLEN (e.g. 0), the unsigned subtraction wraps to a
> huge value, silently allowing oversized MTU settings.
>
> [...]
Here is the summary with links:
- [net-next] net: mana: hardening: Validate adapter_mtu from MANA_QUERY_DEV_CONFIG
https://git.kernel.org/netdev/net-next/c/d7709812e13d
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-04-01 3:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-26 17:30 [PATCH net-next] net: mana: hardening: Validate adapter_mtu from MANA_QUERY_DEV_CONFIG Erni Sri Satya Vennela
2026-03-31 9:28 ` Paolo Abeni
2026-03-31 18:00 ` Erni Sri Satya Vennela
2026-04-01 3:20 ` patchwork-bot+netdevbpf [this message]
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