From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0FF181BC4E for ; Mon, 16 Sep 2024 16:47:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726505226; cv=none; b=on1lb0ChMa6nCFm3TNGrmaeDshMUZUz9t1TfbL4V7oNfEueNpwzj3kI5JcZ6gBzJoo2yvNYJ8TJktfHOFmu8+EzfoywNKcMRvHuL1x2d+p9cQrnJPOcPIZ6/yvYP383RNq3I6xKXQge+shpq3dTO1s+lKEcV8Mva3Ja1FR+1Ao4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726505226; c=relaxed/simple; bh=JTMsUH/Kl9aapsZQ8rDpX0KFdNRiW1382f+ZrUXpxq0=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=QXZNYatYWlQUe1kjmRmwonqxpqOl/5fCGznf11GZVOrr35VJizsbQ2aBH7sejbmOWiJG9sPHdHXquNmu/d6W6HI1hSaAlhM7IEfJteRf9OLGlE8+NrkNIPZAh8Qdt6CgNAH9PwyOH00B3kzfoycNBZmNPKMHNtbxYBHef+AWlUA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=C3n97wGp; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="C3n97wGp" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-718ef6a26dbso761758b3a.1 for ; Mon, 16 Sep 2024 09:47:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726505224; x=1727110024; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=OzAN0xAvRZHTYmrnU/A3fZSEHEklGK3Vjb/1gDLdIyc=; b=C3n97wGpnI+4qSNRRuMXK/99yp6RT2T7Wq/xS3rFt0caSuzUPLSYWIIylzNfiGH4Qv rc/ccBQZ6guW6M7dSRSyaaEhwhn+5FBdo3aOPW57pTJywOfsn7lGSX0d2DwGfHAs6zRh OU7q3aQeckBPumESW1Mb7V4Inesllhd8YcTE3WHXXaeuJ5G8+G/h7qccv8Xg3FeyE8Gk pZ0WRZrY3zCJbCRBfkXBQwKVXhI1lIcpSnbQLoJvh65Wf8HB+iwFNBRUpDFhGltlUFOw 0XQxrLoyr462ZKCiWcakcUuY7dUnyNHRDXCRyKgPFl56KiPrx8EU79ymH3xsvUBKPN2G 3xWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726505224; x=1727110024; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OzAN0xAvRZHTYmrnU/A3fZSEHEklGK3Vjb/1gDLdIyc=; b=vn12PbAovU6OYlpmkaaCWEbcicu+JcuGrGiaZ6cEjNy3hky2liFkAMhyTxqmK9fPmR 06I0jHfgmY2C1NNaooOx5F3KeFXCc7fJsJ40u52w/70UGsYfsqG9Dt47mUsctb8y5U6+ rrZFspE9HouApCyVzYXVr0KnGg1NrT3PkAqVzlJJSFW5lA9HMQa6hF7ObBMprul3afP2 zMTDn82kFpQm/Qpk1RBOHbA3TNiyzcQpMO4clIp8lTceKIVi2M5zfNHnwDjMBIXxrDMR 1WZ3cRt6h/XOsSAnxKyhY61F4LYjqcm9BwlmquW/y6ffMpVygj0xmfSB3Td4uZ/TcGyv KPEg== X-Forwarded-Encrypted: i=1; AJvYcCVtq+67zy9tqBvyMabw1vEwIfGU9fId9xRRB3pGZRXh5WtAluGGuAgkzE/vPJ2/HWteTh9frJAAV4NZIXX5sw==@vger.kernel.org X-Gm-Message-State: AOJu0Yy97kzFrAlnlt7+UoRjgNh/StwK06NOe3CZk+Vtf6hnwa2kKG/Z vpNDc6YMl8C73SK5PCPSd2Gnve5ohXBgQ1OFz/RxeCBNk0WmP3m2arKKaCaLCNvaOh9+G0SCzQI +ywNQI45DuoyfNhz6wbSLScYV4n0= X-Google-Smtp-Source: AGHT+IGzwvwl4zOI2Siv79HgsewAOMw+JHEgLSjbi/II4ExH83X8+4dRk9iJZKlRCXDrLhPpknwmQEBcqu9MXQQxgVg= X-Received: by 2002:a05:6a00:9163:b0:710:5243:4161 with SMTP id d2e1a72fcca58-7192620609fmr9753938b3a.5.1726505224337; Mon, 16 Sep 2024 09:47:04 -0700 (PDT) Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240820194910.187826-1-mmaurer@google.com> In-Reply-To: From: Miguel Ojeda Date: Mon, 16 Sep 2024 18:46:51 +0200 Message-ID: Subject: Re: [PATCH v4 0/4] Rust KASAN Support To: Matthew Maurer Cc: andreyknvl@gmail.com, ojeda@kernel.org, Alex Gaynor , Wedson Almeida Filho , Nathan Chancellor , dvyukov@google.com, aliceryhl@google.com, samitolvanen@google.com, kasan-dev@googlegroups.com, linux-mm@kvack.org, glider@google.com, ryabinin.a.a@gmail.com, Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Nick Desaulniers , Bill Wendling , Justin Stitt , rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, Sep 16, 2024 at 6:15=E2=80=AFPM Miguel Ojeda wrote: > > Applied to `rust-next` -- thanks everyone! Also, for KASAN + RETHUNK builds, I noticed objtool detects this: samples/rust/rust_print.o: warning: objtool: asan.module_ctor+0x17: 'naked' return found in MITIGATION_RETHUNK build samples/rust/rust_print.o: warning: objtool: asan.module_dtor+0x17: 'naked' return found in MITIGATION_RETHUNK build And indeed from a quick look the `ret` is there. Since KASAN support is important, I decided to take it nevertheless, but please let's make sure this is fixed during the cycle (or add a "depends on"). Thanks! Cheers, Miguel