From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f50.google.com (mail-qv1-f50.google.com [209.85.219.50]) (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 33BFF30DD35 for ; Tue, 14 Oct 2025 23:12:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760483580; cv=none; b=obHZ/E0uoNPiKpEci8p204mEhR43gN/mYs2SD6dopU3fDrykwfwyH/0g1STouN+1bDAaa3l+wPLBa9X+fm7un0BcHBDqnyxI0YHAm8+zh2BldO59a6IL7K5E6t2RsU4s3MaZG+42GHqEY9G1SfeLXTAZsaT9PXQcjYj2DIHwc0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760483580; c=relaxed/simple; bh=foCmb5W6RClH11/V4qgET2I1gpQvWp/PxyJHOlaDdN0=; h=Date:Message-ID:MIME-Version:Content-Type:From:To:Cc:Subject: References:In-Reply-To; b=W7za+VjzEjBaIBNvl4E9CvuZpCCf2L+Cn0a9U26y/WlkwXYQRrdbDtI32esKIVIAu8ejaLOqAt4Ms6Klr/5Mcw/7NpzoH2C4Mfju1OrabbGUaZgTpgnODwgadsXS6ZTFd0tWxFokj1SSZFsSV2TqHAZiGWGZ5CrxiE8AE1RDAA0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=paul-moore.com; spf=pass smtp.mailfrom=paul-moore.com; dkim=pass (2048-bit key) header.d=paul-moore.com header.i=@paul-moore.com header.b=JcC2BVJW; arc=none smtp.client-ip=209.85.219.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=paul-moore.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=paul-moore.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=paul-moore.com header.i=@paul-moore.com header.b="JcC2BVJW" Received: by mail-qv1-f50.google.com with SMTP id 6a1803df08f44-79ad9aa2d95so102452676d6.1 for ; Tue, 14 Oct 2025 16:12:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paul-moore.com; s=google; t=1760483577; x=1761088377; darn=vger.kernel.org; h=in-reply-to:references:subject:cc:to:from:content-transfer-encoding :mime-version:message-id:date:from:to:cc:subject:date:message-id :reply-to; bh=UCQPp9bQbyUFc7xAWYe06+PCP6ZWoD05DYNG/yuCCoo=; b=JcC2BVJWB+k4XJtYAQ3oxVa7LBs3f26l0KvoTmYXnPDALttk+EAEPRYVYECeZWpwhA EdZFYSfs1n9bWXaBkOohlzSBXQajTzI8iO9g1iGUyfKyfBSX1LWBtSSNBiCSEzz5HCzJ ws6/77urM6Qds3IBoseQX7jzma8Gw6o2BXt9DG1WbaGqJnfwnIlJFA0HLzO8Lz+jWTrD wzJRMCCNbBIeLzOizK15UVaIIxc4/UGZtaZRyCS6LZHjaKmMxf5Xi0JhreKxeEnOdiIs GL058QVAfIqM3ZuYNOeYJ7zMe/TxudAjQ1ZcyUAbfcYHw1WL40/7GYnoj6eu16eOIoMj La+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760483577; x=1761088377; h=in-reply-to:references:subject:cc:to:from:content-transfer-encoding :mime-version:message-id:date:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=UCQPp9bQbyUFc7xAWYe06+PCP6ZWoD05DYNG/yuCCoo=; b=H9R6SPNc6fMefYCYeG8tm7mVs93K7BFa2+STSS8GmuCfn4XhT5L5u1k2vUQbxlRcB4 f3PO2DBIJwM9s1dNilLxUNVpWZcv4m/saA4Zj6af4NErf0UY8m5RpMxHFcHPL3yRQtf4 5jyS9Z7dvpe7IlLi9zbYLJEcIQ5y1WfETvGIcZzu3qD9tO++MrZ23AgY3NH03bSvvi5G +EDCLyjkH4iCNf6VTM5xTEL0rXRgKbOAYwS0AJuQSElrx3DlO4wTXHRy8vbxaPiNFupm Owalt8W+5PvCe/KW2GDrnFYfVSEaDBG1oqG2kQYps2TKox0t5u/JL43e5HVIcYjdsZW0 bKIA== X-Forwarded-Encrypted: i=1; AJvYcCUnyzqzDB+xhxFToxkHiu/VP3GN8+0+zcRgBtEwrUBY/IPNN0ARJ5ngrD2S2MgQRRQcv4bSJSXNorA6GfguV25B/u65djo=@vger.kernel.org X-Gm-Message-State: AOJu0YxRr9WECSouZYDY0i6rwTtC3PD4GGRIde2SiPpuGULM0S+XUuRT vFrkkDCKzl4wrxFksjx1EygYNKandPYoIUSKqf5/TyPRYvYh6XTYKqKHGja/dMvGdw== X-Gm-Gg: ASbGncsgroqoyOyf1pLdpHOXDwAam+9/cTPtcIJaUGjNOIf8s15DYhrG0Ig9mWHoxAM NSDy9nJPrR9RfmTpTFE0eYhP6WYR3dJwYJ5KTXKc6XbS7sDGW0FeIZDzvFEjAP1p8t/KnFMxMkT hRuRe2qTdvV7ZUYQzFd44INvwsjPK7cDoEpCYlUoe5nWXM/+Aujc8lfUTrwjn4oXqDaxY7HWrP8 xKBSEvQm37WEiBM3BVN7zXdAepvXec0ixFosIhRBqqtMpbZuPgoxu2fGcNAPKy1KILqh2Mf0pFT +dbGs3XPgUrxUh81tuUAkgBxVP3bTOarVR9nYylJ1j6CFBhvM4pTVymRfVOExnHrzPIgyTEvXhM FJkrlmlcU6O2VXekvUUtlR4HbxciLWukmUBpgzOF6qjt3U9ENcYofwNPMKenye3qGXohRB/IEVC tyK6KHXw6yMdMtB9/tXYOVoQ== X-Google-Smtp-Source: AGHT+IGUK4+OZlOwx7+K3DolpHpg4wxF5PDVeFNt2hgjjeQNdw27tz2rjbFhf9h3RN6vn6hAUsmJqQ== X-Received: by 2002:a05:6214:1bcf:b0:80e:9291:c47f with SMTP id 6a1803df08f44-87b2e768f91mr379237516d6.44.1760483576981; Tue, 14 Oct 2025 16:12:56 -0700 (PDT) Received: from localhost (pool-71-126-255-178.bstnma.fios.verizon.net. [71.126.255.178]) by smtp.gmail.com with UTF8SMTPSA id 6a1803df08f44-87c012a2c6dsm7233906d6.46.2025.10.14.16.12.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 16:12:55 -0700 (PDT) Date: Tue, 14 Oct 2025 19:12:55 -0400 Message-ID: <3aa966ae48394feec053a63c8868ca0a@paul-moore.com> Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailer: pstg-pwork:20251014_1821/pstg-lib:20251014_1132/pstg-pwork:20251014_1821 From: Paul Moore To: Casey Schaufler , casey@schaufler-ca.com, eparis@redhat.com, linux-security-module@vger.kernel.org, audit@vger.kernel.org Cc: jmorris@namei.org, serge@hallyn.com, keescook@chromium.org, john.johansen@canonical.com, penguin-kernel@i-love.sakura.ne.jp, stephen.smalley.work@gmail.com, linux-kernel@vger.kernel.org, selinux@vger.kernel.org Subject: Re: [PATCH RFC 10/15] LSM: allocate mnt_opts blobs instead of module specific data References: <20250621171851.5869-11-casey@schaufler-ca.com> In-Reply-To: <20250621171851.5869-11-casey@schaufler-ca.com> On Jun 21, 2025 Casey Schaufler wrote: > > Replace allocations of LSM specific mount data with the > shared mnt_opts blob. > > Signed-off-by: Casey Schaufler > --- > include/linux/lsm_hooks.h | 1 + > security/security.c | 12 ++++++++++++ > security/selinux/hooks.c | 10 +++++++--- > security/smack/smack_lsm.c | 4 ++-- > 4 files changed, 22 insertions(+), 5 deletions(-) We discussed the concepts in this patch in a separate patchset, lore link below. https://lore.kernel.org/linux-security-module/20250925171208.5997-1-casey@schaufler-ca.com/ -- paul-moore.com