From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.216.53 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793057495; b=f/z9NSCvOF5EPBkWGfJsQFx8iCKWADGSKFJwcknU/tXWM0XclI78huWdvq3zMgen5MBB jJTuen5SuacL6e+p19dcy5Iu2mCWPS6yzy5oge8qQzba4zW4i6z5tcQhVc9Uo1v3fXi6p WVANp4e4KNG2ZysdFTWjLYiV8poyy9J/+W5nkuTR3nV4BVgC+ZqnyRhf/U8lf0gv6l9Wf DLut1ns2ZqT2YfFOsWnhu/kV0aU6fId7b8D1R/NRiuGwWp2Wj8jLVeo4v3/xIngSaD0E5 C1WYR7vgwg/MMjMaGbQXKzYrxrFalp6KG6TvFhq5GdjcXJ57j+8qevjuMFsql3t6B1w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793057495; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Content-Type:Date:Message-Id:To:Cc:Subject:From:In-Reply-To: References:X-Mailer:Content-Transfer-Encoding:MIME-Version; bh=MNAuIEGmBIPL3LGhEiC7AZdHVvxraynZTpB2Bey0XaQ=; b=AEYkstsioSIzWVAZPBJ8XpmL7N64ypu8fkytnkSLqv9r99St4ehFvnka8rEgSR18QmJ3 SoQURpMPD94IxJ56mscj3UPNJVv9hHhZRnXykhJAaSGuOuurJmrKvYu02MC0YYO3ATC30 yioTHA/p0uWwM4aPLnzxue9KjJYv0lJAd9yceNoC0nWNfTCss18NbBBM8WLZhiQPqS+WR ju1aJasV73a0gqmB+KRygYq1IntQHyrEePQm8ootdrqedKAM63UIH+786n/mfdPiVzqe6 8XXHz6bNO1Anyde82hLjgvT1EGz6x4YYXUzdmViiS2pIL5yzALTI7bYLe6vcC/bKVgw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20251104 header.b="cOI/FSWY"; arc=none smtp.remote-ip=209.85.216.53 Received: from mail-pj1-f53.google.com (mail-pj1-f53.google.com [209.85.216.53]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E059A606A328 for ; Mon, 26 Oct 2026 23:31:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org E059A606A328 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, unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20251104 header.b=cOI/FSWY Received: by mail-pj1-f53.google.com with SMTP id 98e67ed59e1d1-3ac6794fe45so2621330a91.0 for ; Mon, 26 Oct 2026 16:31:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1793057494; x=1793662294; darn=vger.kernel.org; h=mime-version:content-transfer-encoding:references:in-reply-to:from :subject:cc:to:message-id:date:content-type:from:to:cc:subject:date :message-id:reply-to:content-type; bh=MNAuIEGmBIPL3LGhEiC7AZdHVvxraynZTpB2Bey0XaQ=; b=cOI/FSWYuZ9uc4gOXFR6cODAhxfNl6YSVKkc09pTcBfcrEXfJFGza1/6vbnz79ZTNq zP7nQkQ4dSFo4mJF5spxHEW8N41bTbFboZmGkyJ83g4EkPU0LjRX9tQOPKtV8h5rWhDy efJAQFHcAAQh20lB/pC94nJY0Nf+zdtUCT7I8o2LbjitgGfv7VatsG04kfhoQMvruKw2 B/jGLBNW2eK7hebxC20mG3rjrmCDXDA22kY09T83qLDk6uDjxDMhyY14SA4zcjYGeftL M98ll4rF8ZO8+bPaOrnemWmr237eiCw8i6iE3nelzsKIpA16kemuh1G6DQaGTwPB5Wl8 9Csg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793057494; x=1793662294; h=mime-version:content-transfer-encoding:references:in-reply-to:from :subject:cc:to:message-id:date:content-type:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=MNAuIEGmBIPL3LGhEiC7AZdHVvxraynZTpB2Bey0XaQ=; b=GD2Z1qxQDqDgbITBqCzIIaJ36+LeUNFglF2Fzgq5hCX/VWEnjXOOLg4ivGVnrbyvvd To1rkZcCqz6nUBiI+lLYbQ3DxdqEd6feOZfvuzCHUS+cdI8nPNZ3V/npixIQ+7/LHqb+ 7hP5hUoVF1zQRxxmzbTAYzF3XRe+06BgTRIsd4h/jqMrYHMkqH1Xqee9bxV4Z+tr1obT Mba1gM2JfJaMb+pLyerlybBhrGbe854RXMXQgipeM4z/epJ3yOccchTiCZaPJ5Yf+T9r dy2P/jdvIcTdfrvLhAwv0EVdIedJhwtNCPhGgCSmyYImXGyx1xZdXTGVhdO9xuN1pZzj aG5Q== X-Forwarded-Encrypted: i=1; AKwUvBxSfNr9t/ozm2CXttTGROrJqazRNGV3hcTNwWGpaJZbN8JKNYfDon6HRsDKdaj2A73QZsGyW0Q=@vger.kernel.org X-Gm-Message-State: AFq9FYKpjvGQQ6WFZPIRHXrwgCpHKKk16WC2107twyy/Bbo7c0KEqxct EmqvnczSYLI2wsHKet12xxpLuz5zdRhVjNuaaIA4Mqz98+t12hB8B53z X-Gm-Gg: AYBFou1jEmlkaxc9XJSI8r26tUJIFFN2VcKa66F97kPtWTE7TsHzwK850lP0sE63354 Sm6ekq8EH33kQRJjruF1HqKrrG5gCcssN0mqQANLqD/nChN0U83URD/oEt76N0S96g8s9i/K+IB uSbecvU5SKpnrn9T8nZONrbXheyNCg0etnVv+9l77pgK7bxd340kTfQ8+JifnVOgfILpdfe/IRs SMXVEKYvS83RL7UsNirK92Y52v5afJgqEh0Tegx2dx6VcmMesCWCzM7i6MIgfhnBZh5U1o2E67w pFYLRI3dxYtSp43wwNw4wK7wQuri9RriJzhSZfOkK52g+Qv5J3draBJBo12uGrqvp675mK/IhIP NhwDB0JvzNEoPKTYbA2yfJLKj+1fFVOXenCLuOUo0w1sK/ais0zM/fFuYL7I+FlzaRWm6M0nEVY hr202vICaxc0L0W2jGvoRKO4BwWvQLYGqtbFEwMtE481FOBKOQL0TSBwPjEjg2/ugEGOuqh/qZ6 31IaYv6iy2sfN2pgMOwd3hn8SuGDb8QiJ9LdBrsox4tleHghk1mCopfkEN0dSffpoxMwqZDUpvf u2eNM5k5WG2ZhUO6zanHfkEKH47yWPbNGfXdnKqzeOHJS25Y61TACBLEZzI0rrwHazYAQa1/iQ/ HlAuOW2s= X-Received: by 2002:a17:90b:528c:b0:3ac:8897:7b9d with SMTP id 98e67ed59e1d1-3ade9b2ee97mr7287988a91.1.1793057494026; Mon, 26 Oct 2026 16:31:34 -0700 (PDT) Received: from localhost ([153.61.198.246]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3adeba38910sm6631220a91.1.2026.10.26.16.31.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2026 16:31:33 -0700 (PDT) Content-Type: text/plain; charset=UTF-8 Date: Mon, 26 Oct 2026 23:31:32 +0000 Message-Id: To: "Christian Brauner" , , Cc: , "Daniel Borkmann" , "Paul Moore" , , Subject: Re: [PATCH 0/8] ns: fixes for the namespace LSM hooks From: "Alexei Starovoitov" In-Reply-To: <20261026-work-security-namespace_free-v1-0-ffa3ebbf71bd@kernel.org> References: <20261026-work-security-namespace_free-v1-0-ffa3ebbf71bd@kernel.org> X-Mailer: mkdraft (claude review draft; edit before sending) Content-Transfer-Encoding: 8bit X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 On Mon, Oct 26, 2026 at 02:57 AM Christian Brauner wrote: > I'd want to get the first three patches into v7.4 since the hooks are > new this cycle. The systemd change I have for this uses the > namespace_free hook whenever the kernel has it. On a kernel with the > hook but without the first fix it would never learn about dead user > namespaces. Why not the whole series? Otherwise 7.4 will be the only release where namespace_init sees ns_id == 0 and bpf progs that key by it will have to deal with that. Also the test for patch 1 is in patch 8 and it needs patch 5. For bpf bits: Acked-by: Alexei Starovoitov