linux-kernel - Re: [PATCH v2 0/5] uapi: fix remaining kconfig leaks in UAPI headers

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aXC1sL5V9oqzT0ey@derry.ads.avm.de>
Date: Wed, 21 Jan 2026 12:17:04 +0100
From: Nicolas Schier <nsc@...nel.org>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: Vineet Gupta <vgupta@...nel.org>, Russell King <linux@...linux.org.uk>,
	Dinh Nguyen <dinguyen@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, Arnd Bergmann <arnd@...db.de>,
	Nathan Chancellor <nathan@...nel.org>, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH v2 0/5] uapi: fix remaining kconfig leaks in UAPI headers

[Cc+=linux-kbuild, nathan]

On Mon, Jan 12, 2026 at 08:58:28AM +0100, Thomas Weißschuh wrote:
> A few UAPI headers still contained references to kconfig symbols.
> Clean them all up and afterwards remove the now useless exception
> machinery in headers_install.sh.
> 
> Intended to be routed through the kbuild tree.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
> ---
> Changes in v2:
> - Drop ARC_HAS_SWAPE kconfig option, use ARCH_USE_BUILTIN_BSWAP
> - Drop PSR_ENDSTATE from the ARM ptrace.h header.
> - Drop nios2 uapi asm/swab.h.
> - Link to v1: https://lore.kernel.org/r/20251230-headers_install-config-leak-v1-0-efba5c58073d@linutronix.de
> 
> ---
> Thomas Weißschuh (5):
>       ARC: Always use SWAPE instructions and enable ARCH_USE_BUILTIN_BSWAP
>       ARM: uapi: Drop PSR_ENDSTATE
>       nios2: uapi: Remove custom asm/swab.h from UAPI
>       x86/uapi: Stop leaking kconfig references to userspace
>       scripts: headers_install.sh: Remove config leak ignore machinery
> 
>  arch/arc/Kconfig                         |  6 +-
>  arch/arc/Makefile                        |  3 +-
>  arch/arc/include/uapi/asm/swab.h         | 99 --------------------------------
>  arch/arm/include/asm/processor.h         |  3 +-
>  arch/arm/include/uapi/asm/ptrace.h       |  9 ---
>  arch/arm/kernel/signal.c                 |  3 +-
>  arch/nios2/include/{uapi => }/asm/swab.h |  0
>  arch/x86/include/uapi/asm/auxvec.h       |  2 +-
>  scripts/headers_install.sh               | 30 +---------
>  9 files changed, 9 insertions(+), 146 deletions(-)
> ---
> base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
> change-id: 20251229-headers_install-config-leak-b8a9219d8b3c
> 
> Best regards,
> -- 
> Thomas Weißschuh <thomas.weissschuh@...utronix.de>

Thanks a lot for the cleanup, much appreciated!

Reviewed-by: Nicolas Schier <nsc@...nel.org> # kbuild

Kind regards,
Nicolas