From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.openvz.org (unknown [69.168.225.77]) by lore.virtuozzo.com (Postfix) with ESMTPS id 466A2808A3 for ; Mon, 12 Oct 2026 08:00:47 +0000 (UTC) Received: from mail.openvz.org (localhost [127.0.0.1]) by mail.openvz.org (8.14.4/8.14.4) with ESMTP id 69C7xRsm018276; Mon, 12 Oct 2026 10:59:27 +0300 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.openvz.org 69C7xRsm018276 Authentication-Results: mail.openvz.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="q/03sw8A" Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by mail.openvz.org (8.14.4/8.14.4) with ESMTP id 69C7xQ0E018268 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=FAIL) for ; Mon, 12 Oct 2026 10:59:26 +0300 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.openvz.org 69C7xQ0E018268 Received: by mail-wr1-f72.google.com with SMTP id ffacd0b85a97d-48b0a199b20so1406867f8f.1 for ; Mon, 12 Oct 2026 00:59:26 -0700 (PDT) X-Forwarded-Encrypted: i=2; AKwUvBx8xtZN7qFEShaWJQnmJ3PyoqSZM+kCYaksHbOKmG7dlxuskrVeGtQDVxEmXZTe+xHwVMMlnA==@openvz.org X-Gm-Message-State: AFq9FYK074wlBha9eRVD/1wmIrKfD4b/MkO8LwDuOAPC0gCa8moYLc3n 2qjMhhH4wgDj3XBjlNDJacGEq5ti9L32Z/61DvfQOkiDxZzB7ArsDKfMjKAjR6Je9hp9Qv2UW7X J5V2cqyw/F6qz/R/Q8tZLyarJrA4Ro4zssXTRrwpiDtKqxv4QZIlaBQ== X-Gm-Gg: AYBFou1avvfqB2SuqTJ2BQs2QFHr8H6RNfhQw6+JcDBfxFiJ7ZRyEOkTD9hvS/WGyzw 4oIB/KxvMg8LSBNyk47ujf2IbMq5rh9ZmbBzMY4ZHh4DFw/wBnb18rGkJAx6v0NHSn+Fm/jWx+u r3d79UVZJOwVr8FT+f3XpGG2lmCaxTHd3QfW/OA/LpV6FxvVqwjtuOGSzgAd8yvb6hB1p2f9q0i dNJU5CfphDUxr3a56oFPGq97K0GO1Gx0OLe6PySS3uBU+OZMIVuO6TYavWDFBL2c3CSFJASNx0/ cgwCCtdRlv74W9bSXV/vqUbbRPB7/mmgWHdoaa0KtYo2lVzaxHAjNFhaybtRXcEAULdzYYa2sul ds6/tXxgZ+/1/WqbhxcRqEFsRuuhV0Q== X-Received: by 2002:a05:6000:40ce:b0:48d:bb54:77e7 with SMTP id ffacd0b85a97d-48dbb547b24mr16141839f8f.29.1791791965971; Mon, 12 Oct 2026 00:59:25 -0700 (PDT) X-Received: by 2002:a05:6000:40ce:b0:48d:bb54:77e7 with SMTP id ffacd0b85a97d-48dbb547b24mr16141780f8f.29.1791791965314; Mon, 12 Oct 2026 00:59:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1791791965; cv=none; d=google.com; s=arc-20260327; b=YR4UqABL1/ZsaC3aP6fFiPCZmAbWPykjOivPEUb5bAITavJ9YtIqPSLhisJE2lt8oy Sx/+SoJ6+ZHq57BSfQ9aFV+zRxuEDmy5cYGxqiBeGsFn5YLDijiXT4y0Z3IdWWzppze9 tlTS0EKozRPP01mjqDQletq5NvZRBQKkwigs1LPigFWhEyyIwOq005J6PSFxVRAjG//t NHBHnArUV7J2o+D7MPGmucjeNGJmTK/kf/JMMxWDWXFHXfn1RxY22tq/eLua0lKRI8QF 9FTIHZ5CJQV/59g2mLIhsDszuf3ga550ZCCaoUl0x+MFf49UP89YvP7cHlj+OzeTbkND aJJw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20260327; h=message-id:date:references:in-reply-to:cc:to:from:subject :content-transfer-encoding:mime-version:dkim-signature; bh=aKEK8G55n/iK0/+7BjeAj7e8//aVjMS5xM9C5auiuig=; fh=Q8xrIeKEv9kNt0kBAZ24Zoq+O3GjFEiuW2jIo3+yJG0=; b=ZJXf25nBk+7iTI2LkzZ66dWhyTkjCE1/TXy3j4thQKb9I5HBffDg1rA+hVGxa/FRwb aIbLt7u4R8jWhQj78/PmdbNZzbRDXC+gByIJQB/0IP+WKaADgkzyP4OS8Zurmmv2wHmJ FBBqaQm7oUjZiN1+VFZ0yDmk+X5xB7Ca72qvs8nxPGbAbnQzXDxEov290C+6Xi/SImhF t2UzHj7BkMdspn44iOKW0i4O25ZXu11nDySjnSvizoiblpNZBTbxG85nVff0recwVQND G2v55gPdD5uOrI3YBuhnnT7g52cYPiAf3LzA9TDBPEuOB1iMy3LFgjYtrLL5co6g0Bbm ewVw==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b="q/03sw8A"; spf=pass (google.com: domain of vasileios.almpanis@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=vasileios.almpanis@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com Received: from relay.virtuozzo.com (relay.virtuozzo.com. [130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48db9ab13absi16329354f8f.95.2026.10.12.00.59.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2026 00:59:25 -0700 (PDT) Received-SPF: pass (google.com: domain of vasileios.almpanis@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b="q/03sw8A"; spf=pass (google.com: domain of vasileios.almpanis@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=vasileios.almpanis@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Message-Id:Date:From:Subject:Content-Type: MIME-Version; bh=aKEK8G55n/iK0/+7BjeAj7e8//aVjMS5xM9C5auiuig=; b=q/03sw8ArzJN v8NCgdTsKrNb6Vj5aPtvahzGV6VJO/cW3QAvucpQQSEiVDMtwcX56eJMknL5Xaz3LXEr1rtx82v1A 7+Y6bcq8agtQNlDnz0IFfAL025WyktFtOnCaEQ4T0EOyedc9kfwpr8nx5NI+4bepOMcfVrzY330Uj usUQiPFsgHEDrSAyQnIlgSKEwJCf/V69/sz0A81PmGTKU70dRoCOERGJIhXb9njs5G340qoK4iYR2 skZqBw9K279qBpIlf8/HnpBg+gd1jr3dxEkBXBOr62aMc/V/2QLR0wOxO0frTeu4EAiof+i6f65AH nKYIpcWoxZcchoBkFDp8sg==; Received: from [130.117.225.5] (helo=dev010.ch-qa.vzint.dev) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xGAt1-00Cs1e-10; Mon, 12 Oct 2026 09:59:16 +0200 MIME-Version: 1.0 From: Vasileios Almpanis To: Vladimir Riabchun In-Reply-To: <20261012-ve-printk-irq-v3-0-efc95fd5c78a@virtuozzo.com> References: <20261012-ve-printk-irq-v3-0-efc95fd5c78a@virtuozzo.com> Date: Mon, 12 Oct 2026 07:59:23 +0000 Message-Id: <179179196327.931154.16353702342765608346.b4-review@b4> X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1791791964; l=1039; i=vasileios.almpanis@virtuozzo.com; s=20260812; h=from:subject:message-id; bh=xRRjZTR30eY9itjyJbbu4h83ORtApJAAmZuXxFAViV8=; b=5Ak8sE/UXstXbUj4dGSh9lxG3IWsCczCHEF7TkrbbQRQZ6L8H2r7RxpOyjJbP+WKTXH1n4iz7 4L3UNyxFH++De1s7gqLS7yoH50vJrcX4tT2R7FEBVhqHac5eFb+S5TB X-Developer-Key: i=vasileios.almpanis@virtuozzo.com; a=ed25519; pk=HhuHDXAcPva9A8zccWEMRsb36reu+y4IVbBjXKxNUjw= X-OZ-Fwd: true Cc: devel@openvz.org Subject: Re: [Devel] [PATCH hci-8.1 v3 0/6] ve/printk: Fix logs leakage via ve_printk called from IRQ context X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On Mon, 12 Oct 2026 00:52:27 +0200, Vladimir Riabchun wrote: > ve/printk: Fix logs leakage via ve_printk called from IRQ context > > Printk function that printed logs to containers' dmesgs mostly used > get_exec_env() for getting VE. This is fine for task contexts and > might be wrong for IRQ contexts. > > This patchset fixes this in the following way: > - Report non-task usages of ve_printk function which get > VE from current task. Do it with WARN so users will be > frightened and will report it to us so we can fix it. > This will also make an issue visible to our internal tests. > - Reject printing to containers when VE is unreliable. > - Calculate correct time offsets when calling printk. It can > be delayed and the context might change, we can see time > travels if time was taken from a different container. > > [...] Reviewed-by: Vasileios Almpanis -- Vasileios Almpanis _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel