From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f47.google.com (mail-wr1-f47.google.com [209.85.221.47]) (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 E52B056B81 for ; Wed, 14 May 2025 08:48:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747212492; cv=none; b=IWR75ZfqFqatcqhuQNldureKKKjrtJqEPTW14NDU7izL5zy2ceQ4GAMhUDgIMKRmLT9DnWge13AVYua+uxXVJYmlu9kKuyngkCNlKEvcqAu+L6zh80dUDIxqTLeKT5Xmp2tfQVMs9RN4dgKSLUrTBvaFLBTzVWaFtboddYHfstA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747212492; c=relaxed/simple; bh=Ccun/NTDw+CoIytlHzHrLFFVWreSfKk2Ou4w0xRSMe8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ApLVGN1sJIj12tk6yXHkulkcftK2gvPYCSYRbBEYf+yIB9lcHFctyDffXuw44R+Pjiz3UAkzD9iLnmQQR3XESYxTxWEJ8J60vYTRJta2cFiPSgb4LzcNhddppjhVHqz+jKpwqH7QODkdT4/xBYaftK4Q5hTk60w7e6oQWcypsvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=W9tfoLf2; arc=none smtp.client-ip=209.85.221.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="W9tfoLf2" Received: by mail-wr1-f47.google.com with SMTP id ffacd0b85a97d-3a0b9625735so3506675f8f.2 for ; Wed, 14 May 2025 01:48:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1747212488; x=1747817288; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=J11Tm9IxpteDcvYogIFayM49cQbKfAspMtr3deGbdkA=; b=W9tfoLf2xYNRKWZP1aNpy6x1Ak0IIVXZNp8OdSkUPnUAQ9cu3tBIIyXt6ZRbHQ4wCP guEKGSImsK0Ije+ViSzRdSrmNsATpQQNqXoPxs3beWfTn81F0vtNu1fapVT7ONLmVeXv Ux3064Ec4kccPCjNS6q4/YEgNHY0eGb8pL/A4qVm9MA99dLHaXbZ3GNSPZoxRuizOc7H CyM6uFPfQ68y9glgOo7d2dtBjbfZwGV5xwYAFPyihO5rdqeE0C8SRGzfV67LtjpFD8C4 ZLGF7ZPhmeR2pVej5briPiQwV9/H8ayyiw2QMNqzQycQfVvvBtwNfZnDO/FW8gytQzSW um7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747212488; x=1747817288; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=J11Tm9IxpteDcvYogIFayM49cQbKfAspMtr3deGbdkA=; b=f923Y7/Od8ynj36GX/43lyP9aPSZOhL3e8SxBaaLTr9PoTLBMVs1irYvVu6sBEYpK6 Z7HxsRRCrLN2zdELGAGfj//T+8ibB10RR0PDKbiYeoTNDaUOP+VAETK/KJ6om0Iyg+PE YXDfOfH0hlFNfsfMyoXGSzR8QZw/K4PmOFAiNxSsczfX99sc9wZBKKEgjpFgNHenAIxh wA15Jh25MDZrvn5/g3gmC2foN8q8N9wrkrs6x7Jc0u/9Imvh17xTPYwfQG851tRWRZl8 A9hIQ0QkmdSkVjgMLeQ4AW/2kZEzgf9BZ2QJ6t3+mXbHKHodP2K8z1A2bYtlSHvyIdLI FL0A== X-Forwarded-Encrypted: i=1; AJvYcCVVo1aoSUC3AKh96CAHoL982S8JSoQQ8DYxWcHwuDt0Nzhcybm+Z24K/RdMTiiGJ3RlPxTis3p9NFlCsFc=@vger.kernel.org X-Gm-Message-State: AOJu0Yx1gmxNQ3NZN5vIDwsQK8+rB2AQkMl9Y18cESYqFvcLV0xWxibN 20Hvp87uvRn7ilBgWRJLoPYFZr6Y9xr3mNRrMq6lgZocMLsH9f6SXycHYxSRckw= X-Gm-Gg: ASbGncv26U3+AjMyHSCzbX3RpBCx5uqGFVROvq3w4hJ8f3fbeZEQr0U8nRZQcjtz+Q5 rx0XawRhjqIppaQuk3Vc3UdiNZQwSSDPLkvAdUkCWXY6LWTUv1W7lpfUXzzW1/djzzZFoEqd4sy EGE6t4FiQOwYtHnYhayeZ/YhjaRcoAf85SSjbw0MB9LiU3JZ9pCQAld97yKtN5bP7wqjYJ3pKAI IDif64ynwlCOW5OW1qKDZ7hxDdJDxbhm0Rm5R851hGLCgDtDMYp4VWX3LiFzCtXP3L1h9vBuiyU EW7idbAKxsDmNkQjcVr3ObEicAdzAYIav6/iLr93QoBrlBs1xUE3OA== X-Google-Smtp-Source: AGHT+IG6Ygt895dWK6xd2go5hH299uW3ziCrAKGblKyG0md7su1tSRFeV1oXO46fD6Q1GE1oUd21Ng== X-Received: by 2002:a05:6000:2583:b0:3a0:b977:b6da with SMTP id ffacd0b85a97d-3a3496c36bfmr1777692f8f.24.1747212488190; Wed, 14 May 2025 01:48:08 -0700 (PDT) Received: from [10.100.51.48] ([193.86.92.181]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-52c63b717c5sm7334835e0c.9.2025.05.14.01.48.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 May 2025 01:48:07 -0700 (PDT) Message-ID: <49b63a7c-d323-4b13-8a1d-11ec8f0a3152@suse.com> Date: Wed, 14 May 2025 10:47:57 +0200 Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/5] module: Strict per-modname namespaces To: masahiroy@kernel.org Cc: Peter Zijlstra , mcgrof@kernel.org, x86@kernel.org, hpa@zytor.com, samitolvanen@google.com, da.gomez@samsung.com, nathan@kernel.org, nicolas@fjasle.eu, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, linux-kbuild@vger.kernel.org, hch@infradead.org, gregkh@linuxfoundation.org, roypat@amazon.co.uk References: <20250502141204.500293812@infradead.org> Content-Language: en-US From: Petr Pavlu In-Reply-To: <20250502141204.500293812@infradead.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/2/25 16:12, Peter Zijlstra wrote: > Hi! > > Implement means for exports to be available to an explicit list of named > modules. By explicitly limiting the usage of certain exports, the abuse > potential/risk is greatly reduced. > > Changes since v2: > > - switch to "module:" prefix (Masahiro) > - removed some patch noise (Masahiro) > - strstarts() and strlen() usage for prefixes (Masahiro) > - simpler ___EXPORT_SYMBOL() changes (Masahiro) > > Not making using of glob_match() / fnmatch(); this would result in more > complicated code for very little gain. @Masahiro, please let me know if you're still reviewing the modpost or other changes, or the series now looks good to you. I'd like to take it for v6.16-rc1. -- Thanks, Petr