From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id WEVpFyWvgWEeAwAAgWs5BA (envelope-from ) for ; Tue, 02 Nov 2021 22:35:33 +0100 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id 6H8gEyWvgWFqNgAA1q6Kng (envelope-from ) for ; Tue, 02 Nov 2021 21:35:33 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 23FF524B63 for ; Tue, 2 Nov 2021 22:35:33 +0100 (CET) Received: from localhost ([::1]:48630 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mi1RM-0003YV-Ab for larch@yhetil.org; Tue, 02 Nov 2021 17:35:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44918) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mi0Sl-0000E6-4k; Tue, 02 Nov 2021 16:32:55 -0400 Received: from mail-yb1-xb36.google.com ([2607:f8b0:4864:20::b36]:37491) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mi0Sj-0000ZT-5I; Tue, 02 Nov 2021 16:32:54 -0400 Received: by mail-yb1-xb36.google.com with SMTP id d204so1261762ybb.4; Tue, 02 Nov 2021 13:32:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=hE5MhJCSSY+beGO8WXINI64DvgZ5BloRT8s/lACYdsI=; b=PhKVoLGSW1/rj5cpnd2sSfzcRbDKSR8BMuwl6TH9CUpHZREEl+tw6giwoeguhAtSel WeJct2nvxnwZczNAFlMZRAjQ2fmx9DcFytERIGBJhNPlmj7D2CsPr2gVYTPJc3nWFmyE rQKpsANFKbAzWJeqx/iC1BM+uqV0OMPfedYxC6dF7ay7iXsiOAG76jTMK8CbSzgoEwRc /yzVIC11Tr6S8/WKVw9IsWm37Iy0u5NRcgOWRsU1bQrfQdBRlOLs2OHBv5qu5/ARxNbc W8nQ7IkyAWRDiQQDSCWsF13TQ42qx9RPM4xAU4IKoulqFxGqX8hwU/pVOFzoVdEQUj1w udTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=hE5MhJCSSY+beGO8WXINI64DvgZ5BloRT8s/lACYdsI=; b=z0bPNqb+Ur10bTtS8PkbbVG/0Ibt676/X10ukGlIgEVfkPNuT5OF74GYn6yT/ql88i ksFh/0kGc4zcpj76iaY2YDz19ufFIJHRdIp/3aeuwaA92oNyx8ZF69ndFmEd6r8Id/LH Iez1z5DUCDPAAEovlKNCaqVV9R9bZYsoazNPWYeihoLkZhd5ViLV3YrGHwxUZBIvO9PP Fv4WTkq0H8poVReTMBP6qlue9L3n5b8ncpitIREMQ9/VulW+TIZ9g5Gbg7vE+K7D2oZK vYQSStDIIQ8z0mmMK0qZ+Q8SaSaetyKSEz6CO/wmseVhYV+V4bbQOlCUDyFgB3LFxKWO PxEw== X-Gm-Message-State: AOAM533P8TbNoZUZs2AWG9YBXVdyVJ5SYhkhCk8UfIGObUvQELP+rJQ7 AXIUoia/gj8U3uQo+VfyGXRYve5tEtMm6iNHlzs= X-Google-Smtp-Source: ABdhPJwQhiC1+R971gyLIcWrJ+gEED6S6ygI/wbLZwsWVRNar+COWO7lEQnJewMf68mLqmeFEejHjbW3Y9EludMb4Ww= X-Received: by 2002:a25:f81b:: with SMTP id u27mr7410637ybd.262.1635885169545; Tue, 02 Nov 2021 13:32:49 -0700 (PDT) MIME-Version: 1.0 References: <20211102163121.415934-1-bugaevc@gmail.com> <20211102163556.cxpjfaspui2sclz7@begin> In-Reply-To: <20211102163556.cxpjfaspui2sclz7@begin> From: Vasileios Karaklioumis Date: Tue, 2 Nov 2021 22:32:38 +0200 Message-ID: Subject: Re: [VULN 0/4] Hurd vulnerability details To: Sergey Bugaev , bug-hurd@gnu.org, debian-hurd@lists.debian.org, ludo@gnu.org, guix-devel@gnu.org, jlledom@mailfence.com, jbranso@dismail.de, squid3@treenet.co.nz, rbraun@sceen.net Content-Type: multipart/alternative; boundary="0000000000006c95c605cfd432fe" Received-SPF: pass client-ip=2607:f8b0:4864:20::b36; envelope-from=plandream@gmail.com; helo=mail-yb1-xb36.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 02 Nov 2021 17:34:50 -0400 X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1635888933; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=hE5MhJCSSY+beGO8WXINI64DvgZ5BloRT8s/lACYdsI=; b=QL2f7XWLjiXPgquR+4uoq0uWdSUmVbAtnfnCOZlyOQeFXK3A1aj9Cv0CEIU5VvVVyBuBtW cdRNc1aCzDU+DQRXKMn52RPHZkxAbYn+3EikNdiqFnfRVL1BKfVlPRHVr8pSZUTIXu26rE W5KA0+vNiGbWJD7c5RoexTcSGcHbIgKUMAGGi2Vl6IdeuJE+imjqn1Fx+9/+Ztdrt290bF SpL0OD1yVDaJsbuC9NO4vunGGCrLIs9W7ArDQrhA9xsp9ylUQbL5rOJvIRFOgwQMlmNzys gbIXghYfA8zroSFRORUWMdQ7HgDiBCsjHh4XZttldXLx4NW48KGGCUZDGgPx+g== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1635888933; a=rsa-sha256; cv=none; b=E5/yWP6Ha+U4wmqaT7KElwTatXjmqOCGv4amYSvHzIy3Nb5KRG+ZGw/Z5k3GMB9h6BpOZG 18EbzzTPrUl82uJa/szr1feB32gzif1n5CAGXwNJnTPRySV2maIiEXtzSVMY/Ha4bfXvGE yg/hRTVtR6wRRf2ig2mZu1cY5KawZd6K4q6ZKOaN8QCLpkXFiwrOFXDRtmfDXw0TJ4UYvQ dzDUSD2vsekn7hF45NqLu3NLAP9FPObxnUFJi/q4yUX6KFjIk8qlRkXID9CnNQNPvL+u8D bDqB6cabaU39hMs8272aJSAr/MtLL1G5AQ7orTajbFv05Xr93GfYdqLiFWhM0A== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=PhKVoLGS; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Spam-Score: -3.12 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=PhKVoLGS; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: 23FF524B63 X-Spam-Score: -3.12 X-Migadu-Scanner: scn0.migadu.com X-TUID: WG2mEqoOpowS --0000000000006c95c605cfd432fe Content-Type: text/plain; charset="UTF-8" Fantastic work and writeup. Apologies for interjecting here. On Tue, Nov 2, 2021 at 6:54 PM Samuel Thibault wrote: > Hello, > > Thanks a lot for this writing! That'll surely be an interesting read for > whoever wants to look a bit at the details of how the Hurd works. And of > course thanks for finding and fixing the vulnerabilities :) > > Samuel > > -- V. G. Karaklioumis --0000000000006c95c605cfd432fe Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Fantastic work and writeup.=C2=A0
Apologies for interjecting=C2=A0here.

On Tue, Nov 2, 2021 = at 6:54 PM Samuel Thibault <s= amuel.thibault@gnu.org> wrote:
Hello,

Thanks a lot for this writing! That'll surely be an interesting read fo= r
whoever wants to look a bit at the details of how the Hurd works. And of course thanks for finding and fixing the vulnerabilities :)

Samuel



--
V. G. Karaklioumis
--0000000000006c95c605cfd432fe--