netdev - Re: [PATCH net] net: mana: Fix RX buf alloc_size alignment and atomic op panic

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: 
 <172346582650.1009420.18122025004130803028.git-patchwork-notify@kernel.org>
Date: Mon, 12 Aug 2024 12:30:26 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Haiyang Zhang <haiyangz@...rosoft.com>
Cc: linux-hyperv@...r.kernel.org, netdev@...r.kernel.org, decui@...rosoft.com,
 stephen@...workplumber.org, kys@...rosoft.com, paulros@...rosoft.com,
 olaf@...fle.de, vkuznets@...hat.com, davem@...emloft.net, wei.liu@...nel.org,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, leon@...nel.org,
 longli@...rosoft.com, ssengar@...ux.microsoft.com,
 linux-rdma@...r.kernel.org, daniel@...earbox.net, john.fastabend@...il.com,
 bpf@...r.kernel.org, ast@...nel.org, hawk@...nel.org, tglx@...utronix.de,
 shradhagupta@...ux.microsoft.com, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org
Subject: Re: [PATCH net] net: mana: Fix RX buf alloc_size alignment and atomic op
 panic

Hello:

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

On Fri,  9 Aug 2024 14:01:24 -0700 you wrote:
> The MANA driver's RX buffer alloc_size is passed into napi_build_skb() to
> create SKB. skb_shinfo(skb) is located at the end of skb, and its alignment
> is affected by the alloc_size passed into napi_build_skb(). The size needs
> to be aligned properly for better performance and atomic operations.
> Otherwise, on ARM64 CPU, for certain MTU settings like 4000, atomic
> operations may panic on the skb_shinfo(skb)->dataref due to alignment fault.
> 
> [...]

Here is the summary with links:
  - [net] net: mana: Fix RX buf alloc_size alignment and atomic op panic
    https://git.kernel.org/netdev/net/c/32316f676b4e

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