netdev - Re: [PATCH 0/3] Resolve ARM kCFI build failure in idpf xsk.c

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Message-Id: <176179356659.2479588.16940248582240491111.b4-ty@kernel.org>
Date: Wed, 29 Oct 2025 20:06:09 -0700
From: Kees Cook <kees@...nel.org>
To: Alexander Lobakin <aleksander.lobakin@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Nathan Chancellor <nathan@...nel.org>
Cc: Kees Cook <kees@...nel.org>,
	Simon Horman <horms@...nel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Russell King <linux@...linux.org.uk>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Michal Kubiak <michal.kubiak@...el.com>,
	linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org,
	intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH 0/3] Resolve ARM kCFI build failure in idpf xsk.c

On Sat, 25 Oct 2025 21:53:17 +0100, Nathan Chancellor wrote:
> This series resolves a build failure that is seen in
> drivers/net/ethernet/intel/idpf/xsk.c after commit 9705d6552f58 ("idpf:
> implement Rx path for AF_XDP") in 6.18-rc1 with ARCH=arm and
> CONFIG_CFI=y. See patch 3 for a simplified reproducer on top of
> defconfig.
> 
> I think this could go via hardening or net.
> 
> [...]

Applied to for-linus/hardening, thanks!

[1/3] compiler_types: Introduce __nocfi_generic
      https://git.kernel.org/kees/c/39c89ee6e9c4
[2/3] ARM: Select ARCH_USES_CFI_GENERIC_LLVM_PASS
      https://git.kernel.org/kees/c/1ed9e6b1004f
[3/3] libeth: xdp: Disable generic kCFI pass for libeth_xdp_tx_xmit_bulk()
      https://git.kernel.org/kees/c/c57f5fee54df

Take care,

-- 
Kees Cook