From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 221A84195BB for ; Thu, 9 Jul 2026 18:04:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783620248; cv=none; b=mVuKE4zOqfmQAdt1GZ3sXY9Mx91SMW20MduXm0tIOISr2Z8tBk8+LCZPEfUMmHT+xbeXS5rtG+AEeko9/WqV1BK54N6R5KDtpGzlzGjgna+DK7EwCIV3RlNvqkgfJwrjS/A1EFLtyijvX057EvJ4TPZCbi4VREaZren23D8pYVs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783620248; c=relaxed/simple; bh=PogOSVAIok8EGg3dUWCHYf7X5cUIeqnLtT+v1VBeLx0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P9IQ/qxxsRFV33NZJ3LqCr3+pAIVM/QgD7OyTI4uaO6++lDie6KKLElqK8wA/K0zHaEOIppPrsanf0I84vWhmD7lPsg2mMr3H2YMt45Fi6oWEhJF9RlaXPYF7S2uFDIODKKc+XgOVXpaLaJxakYerJFz82fCOyVdow7aDFfDY7Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RxepG8Na; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RxepG8Na" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AA901F000E9; Thu, 9 Jul 2026 18:04:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783620246; bh=n+IHVAT80tKNiUROUiPt6GsLCCudN114SFEwlxpoqXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=RxepG8NaTc670VvJsEgcur4ZoNcg/EYnccb/V4UBvktZFbweQUhu0x0CbSJlTsyGF 4jyJlkUJ/dgzuDBGAtOpsJTfiuN30ifzuBEBkKie4tQ0qdZquNqcx/iUYKd54ZptbR PA13wC4Xie7T6ai1TGdmoE29X0DPTQ3u3/lVFRjukgRfHj39fEnpAF0IFa4eBUR2wD YUJNZhxp127siN/Qwc7ATgUhze5+W8ALANEZKZyuQf8Lf67l9BZNIPDHKGXnmDwA6U cOqGQdEDRrZcMqklm5pR/IX94BSUwXlNrxQf/buZzUP4aD+27M835R4/NnV2TRZLsQ CUPh6MQW3uwug== From: Miguel Ojeda To: stable@vger.kernel.org Cc: Alice Ryhl , Gary Guo , Miguel Ojeda Subject: [PATCH 6.12.y] rust: kasan: KASAN+RUST requires clang Date: Thu, 9 Jul 2026 20:03:59 +0200 Message-ID: <20260709180359.130168-1-ojeda@kernel.org> In-Reply-To: <2026070939-unworldly-mantra-5611@gregkh> References: <2026070939-unworldly-mantra-5611@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Alice Ryhl Kernel KASAN involves passing various llvm/gcc specific arguments to the C and Rust compiler. Since these arguments differ between llvm and gcc, it's not safe to mix an llvm-based rustc with a gcc build when kasan is enabled. Signed-off-by: Alice Ryhl Reviewed-by: Gary Guo Cc: stable@vger.kernel.org Fixes: e3117404b411 ("kbuild: rust: Enable KASAN support") Link: https://patch.msgid.link/20260408-kasan-rust-sw-tags-v3-1-e07964d14363@google.com Signed-off-by: Miguel Ojeda (cherry picked from commit 5b271543d0f08e9733d4732721e960e285f6448f) Signed-off-by: Miguel Ojeda --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/init/Kconfig b/init/Kconfig index f4b91b1857bf..53eba5cd88ff 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1974,6 +1974,7 @@ config RUST depends on !CFI_CLANG || HAVE_CFI_ICALL_NORMALIZE_INTEGERS_RUSTC select CFI_ICALL_NORMALIZE_INTEGERS if CFI_CLANG depends on !CALL_PADDING || RUSTC_VERSION >= 108100 + depends on !KASAN || CC_IS_CLANG depends on !KASAN_SW_TAGS depends on !(MITIGATION_RETHUNK && KASAN) || RUSTC_VERSION >= 108300 help -- 2.55.0