From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DDA363B0AFC; Mon, 11 May 2026 08:02:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778486580; cv=none; b=EJN+NGhNQcMj9vOMlKEwJ0Z9RBQPq7dF/frICMBBQdSS44Uis+qiQXvEulVqZuWPpGGt2JZk8+0GfLWJ5lm2ZqFzSJxRQeicT3ogEKRRD5B0XGCEFeau6dZB8UCuua9oXGrVmj4QVHzZSnCmlysdNdDAh8Yjp1gFd+89uUzUhqY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778486580; c=relaxed/simple; bh=It0UcQorJluW7DgSSaBTE6pHf5/fv6AYoJYbP19eZSU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=ES11+R0Q+mwtcDe9++JNkJDNeb+gnyIEghHEDpn0DU0hC244Dyr1r4V+/SM6t/KcnGKlHZXFF1boGP+pxfl89FHF/V/Jsi7mcQouqUTp4N8QQL/JQjCqrv9twAXdbfFBCmZ6Zl21qvgrozFzP7he6nl5tOCblT+fATo5A+LU7sg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UFTwsfwx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UFTwsfwx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC324C2BCB0; Mon, 11 May 2026 08:02:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778486578; bh=It0UcQorJluW7DgSSaBTE6pHf5/fv6AYoJYbP19eZSU=; h=From:Date:Subject:To:Cc:From; b=UFTwsfwxKWNEJ+d1+AMbhYXFHXxMt5ffMSx4NhP66BoAaQDtEYyIqBl4dJH0EXlt9 UvAnIDj4ndGND5h17/pJ0GJBKHf0AUHJ23Q6WfdQ4yRn8niRRteqcLQAmwrSrLkGxk ExkQPL2b+BpAHjredA6GlYu1xEkPBnhUA57MnIw3Ncr31SICfN0ydIHYPaZX5YbrRQ zHLP4SZD+qWeW2BRlB8vzHDI0p25GTkNak8J/1Sq2Srzsr/hyfZTvuZD8XWTHh5OAj w+cY8S8eUtmPKjLZNDfY+U6UPX/xc24c0WTlJ1Wq5RLBdIbziWoBdTpbDyy3PhId7t Eqek41CKpGEDg== From: Nathan Chancellor Date: Mon, 11 May 2026 17:02:44 +0900 Subject: [PATCH] ARM: Do not select HAVE_RUST when KASAN is enabled Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260511-arm-avoid-rust-with-kasan-v1-1-24d55f4a900b@kernel.org> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXMTQ6CQAxA4auQrm0yQ8KPXMW4KFCkGgbTDmhCu LsjLL/FexsYq7BBk22gvIrJHBL8JYNupPBglD4ZcpeXrvAeSSekdZYedbGIH4kjvsgoYFVW7lp 7Huq2gNS/lQf5Hu/b/bQt7ZO7+B/Cvv8Ax+2FVH0AAAA= X-Change-ID: 20260511-arm-avoid-rust-with-kasan-7670981ef8b5 To: Russell King , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Christian Schrrefl Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, stable@vger.kernel.org, Nathan Chancellor X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1344; i=nathan@kernel.org; h=from:subject:message-id; bh=It0UcQorJluW7DgSSaBTE6pHf5/fv6AYoJYbP19eZSU=; b=owGbwMvMwCUmm602sfCA1DTG02pJDFmMvfpmFSmmelMTGh4dvJJef0d5W/jHdqFVtd94/ZZdk A8uvifYUcrCIMbFICumyFL9WPW4oeGcs4w3Tk2CmcPKBDKEgYtTACbicIGR4euNn/bKHedeTr3y 9dcLqYN35qvOvuOm4KuzWW6ZDM+ro48YGbq8a+2tSy7F8grtVXi1q/uGpoOz6URWB7bfbxjOn01 0ZAAA X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 When KASAN is enabled, such as with allmodconfig, the build fails when building the Rust code with: error: kernel-address sanitizer is not supported for this target error: aborting due to 1 previous error make[4]: *** [rust/Makefile:654: rust/core.o] Error 1 The arm-unknown-linux-gnueabi target does not support KASAN, so avoid saying Rust is supported when it is enabled. Cc: stable@vger.kernel.org Fixes: ccb8ce526807 ("ARM: 9441/1: rust: Enable Rust support for ARMv7") Link: https://github.com/Rust-for-Linux/linux/issues/1234 Signed-off-by: Nathan Chancellor --- arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 71fc5dd4123f..73e6647bea46 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -136,7 +136,7 @@ config ARM select MMU_GATHER_RCU_TABLE_FREE if SMP && ARM_LPAE select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RSEQ - select HAVE_RUST if CPU_LITTLE_ENDIAN && CPU_32v7 + select HAVE_RUST if CPU_LITTLE_ENDIAN && CPU_32v7 && !KASAN select HAVE_STACKPROTECTOR select HAVE_SYSCALL_TRACEPOINTS select HAVE_UID16 --- base-commit: 5d6919055dec134de3c40167a490f33c74c12581 change-id: 20260511-arm-avoid-rust-with-kasan-7670981ef8b5 Best regards, -- Cheers, Nathan