Received: by 2002:a05:7412:419a:b0:f3:1519:9f41 with SMTP id i26csp3564054rdh; Mon, 27 Nov 2023 18:37:24 -0800 (PST) X-Google-Smtp-Source: AGHT+IErl8My9NO/0V8FOPDOSl1QKSSkAO8CopS0tvlLIkxmEIKeZw4h14S0pLjv8FxXV3c7+wp2 X-Received: by 2002:a05:6870:aa8f:b0:1fa:345e:3cb2 with SMTP id gr15-20020a056870aa8f00b001fa345e3cb2mr10640681oab.28.1701139044384; Mon, 27 Nov 2023 18:37:24 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1701139044; cv=none; d=google.com; s=arc-20160816; b=kFwoGBCRYevI2MgQUzVLBXMT2xPm9VhPBug1d8Bsud6/t8qFMa9gdLFez3nnT6+6Wu kOY9K70vJ4UPTX0dNGANTj3O+FhUQnVCMz6WF1rzovJC1Al4hCVHyQZxrtpZawxOH5ep wumOBxZUVE4BbnYc9r8f7K6vehH4VzwDcECjJ7o3t0YMR8wPYXKOqN++QN7LM3ZtxdKG hBr6FwBiTCY1hqankXCGaQDoxgvealX1s1iZQ5RXvTpoWjoM/Nko+pINb7qkJYVNeKUd GPhG39Sgx06U0fUJ3AmruTibloyt8CTcbqnOBALoVJM8Z6bu22WETRW0qv77PT+NdGYS mKDg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=p9DehPb+B0avMQIEahya5tFyVOrTp2O4+WIgAS2v9xk=; fh=g/Z7DolbsmXVs7OGc4cPEoEugyRgc7IpHju3uFoI1Yg=; b=HVq2N+V+FYByeohplu+JUk843Ixv1saP5DoekoJNdQJf8G8PPy9LKPJlYqn0oKS1U0 EciIp8LxDXR/8LQPVT77u2X2LrqT94OIfDI0mdhTBfLer0FcCrxxlNHMw8W4gZckE/a3 G69j592IyeSY6IuBahbFAgYBYsRcKzZ7oj4nfqubndamBxyK7KKfU6UXetpU8ec/AnDb ObVdX/UDp6wux1RbAAZYbBiC+hgdHqqmp7RYOvdQ3kZLIytTmBpaLOXV8bV6ppZV6WS6 GUoSmJtfvvCiTD+8ozUX4QK47JdCVJn8gBZmrQljIrfEQxwElBuOdsSN5l5by9CB6HUq zFiw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=FMO7hcbn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from pete.vger.email (pete.vger.email. [23.128.96.36]) by mx.google.com with ESMTPS id k126-20020a632484000000b005c5e22e545asi1012612pgk.312.2023.11.27.18.37.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Nov 2023 18:37:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) client-ip=23.128.96.36; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=FMO7hcbn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id E78F9819D9E8; Mon, 27 Nov 2023 18:37:21 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234423AbjK1ChA (ORCPT + 99 others); Mon, 27 Nov 2023 21:37:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229487AbjK1Cg7 (ORCPT ); Mon, 27 Nov 2023 21:36:59 -0500 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99CE118E; Mon, 27 Nov 2023 18:37:01 -0800 (PST) Received: by mail-lj1-x234.google.com with SMTP id 38308e7fff4ca-2c50305c5c4so64592521fa.1; Mon, 27 Nov 2023 18:37:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701139020; x=1701743820; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=p9DehPb+B0avMQIEahya5tFyVOrTp2O4+WIgAS2v9xk=; b=FMO7hcbnv3OCuTYDZhns5/GKavPWFd1M2oUl75oFXByMLXpkpM3+JNzPgoU++MtKei 2KnzR5DbYk/7e9yBi8OaGI4lnykEz/87OtRyVMNtcf3WxksbrObnFSuf8hsorytie4OT UR6dcZcm4uUnRhSxEhIBWq5cjLnib54H990xLUfQtmHoIaLohegVY47Gu/PG3SgSUpJB YUvlfkxIK6UxtVXcLpVmR2o4GrE65/oLI930N3aYTi5nkoSzmQm7FE428EV/cKbbNHaC Vd6Pic8l9RSVK6Y3mQoABTU2Pe5ieGRHSFQf4ReSUjJ3UnjT+AzBWCVWItAYKsHqStbQ SCVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701139020; x=1701743820; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=p9DehPb+B0avMQIEahya5tFyVOrTp2O4+WIgAS2v9xk=; b=n9IF974PAVuEyOSUOjSGN6YQgc24ANBiYThbcRYRbvFm91LTEdLKAtLa6SLchdMy0k KwbWvTsyqWQxIQJZUlARyolwJSl8iJMtYws5eKz1HsGsUNtOns/J0NwllM7lC7alCP7s ger9nH6vy3FRxpwdhgNq+gmhEne6OVDaj9u4uo4xxlP9Z/czcr1jpHXKgn3yY2w8IJ8C am3ar3YsFkrGf+BwYZt0ieshuKzLpfKbyTsHquYnr3zEhVpoMPTr7vvUFAKzCFsdJHr5 h2yts9JO6Sti+5/b6zUhVfsyMEeuCCQc6Ag0pZwewVRYIfhx54ZbwChaYP/qZlhr+FNl b7yA== X-Gm-Message-State: AOJu0YwVOOUEx7IbkQSSJrgBJijW1V1o1hQT0954Cydaih3JNAKPSL3k sKh6WtwfEc/wvUzFJ3VBYX700SnndE0MJsAmvjA= X-Received: by 2002:a2e:9490:0:b0:2c8:71d5:abfb with SMTP id c16-20020a2e9490000000b002c871d5abfbmr10288257ljh.43.1701139019479; Mon, 27 Nov 2023 18:36:59 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Andrei Matei Date: Mon, 27 Nov 2023 21:36:47 -0500 Message-ID: Subject: Re: [Bug Report] bpf: zero access_size of stack causes array indix oob in check_stack_range_initialized() To: Hao Sun Cc: Alexei Starovoitov , Daniel Borkmann , bpf , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Mon, 27 Nov 2023 18:37:22 -0800 (PST) Thanks for another great report, Hao! Will investigate.