From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5AC8C4338F for ; Fri, 30 Jul 2021 16:19:09 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 55C4160F3A for ; Fri, 30 Jul 2021 16:19:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 55C4160F3A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:46332 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m9VE3-0004VD-Lf for qemu-devel@archiver.kernel.org; Fri, 30 Jul 2021 12:19:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36526) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m9VAf-0002zv-9U for qemu-devel@nongnu.org; Fri, 30 Jul 2021 12:15:38 -0400 Received: from mail-lj1-x236.google.com ([2a00:1450:4864:20::236]:40821) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m9VAd-0006Ee-N0 for qemu-devel@nongnu.org; Fri, 30 Jul 2021 12:15:36 -0400 Received: by mail-lj1-x236.google.com with SMTP id m9so13070676ljp.7 for ; Fri, 30 Jul 2021 09:15:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=WA52cpyQByTBR3xiCHC1IH3NuPU6DENF2gVsWubl608=; b=TKHoUJF7aigMtbPQlRFHwvsEwNhQ/5b1MhEItHbFww8byg22CHG+7BOJFjPgodVqe2 GSgM/5HEHQF4+0CoCVm7OqVr3bdEmkXM682DuvLTJiocaIZTS/i0zoQB9kOL7BLXn8Dy Ll8uGCDa6CBaEhmS7+EhuWVEk/EJYPYxIPRcUgezVB4Bx+ODQMWWAktjEXiZFYo+oFOE nrjXWfxcMwpVFtfNyctrboLSeXzaZ8TFx7i6MIGBEL0wLoOV7L6sx83U0XhPlumY3ZUa OFTUIOMKxn/z2Y7W72JtH8Qaj202QxBiZ6/PRNjAMCkO1WIkvIawNMk1Y2cNNe3fQi4u fTEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=WA52cpyQByTBR3xiCHC1IH3NuPU6DENF2gVsWubl608=; b=tx1fsJxKI6qbvDKRq4LU/aF5LXu3Bj5bVh+l8pt+Nrc1NWKoV94AfNkxoSIlNX7Ia4 ocTU4Burf1sF26NnrFdXcs36ds1pWWuKBAPa83ntNPmHdlm6M7Okny2qR02nchlfeuJc S4ItnUSW1bSnSw67q96YneOHQgLwtelipyXAHVVD/nX+EgBtDB7gipbJCNuvx8KojJ0e QQqLstXAvnF1G5hHhtBv944SMt9cwsGzqNC6RwJflh6mbOR4qdl6IQVKFbd2Pzs55VaO mNaxpKG1CRE1Zqmkrwo3l+W+QVGsj0JioFfi9TQkcnxeIA83bLPLkOu5K9Jr+MXkK2Iz x67A== X-Gm-Message-State: AOAM5327aQXXNhJMtnmTfX3cHQzMUijvsJiTSqUkaH39d+CXLW68pcJn HphGse3f1IZLdCB+u1SojvFFblYDYqux1A== X-Google-Smtp-Source: ABdhPJz/SVdxel153n8JQKLnA5UbqyJfy7a3fdVOEs/tq9lyuC8FYIviBQeBdzvQx3/v/Js6HipV8Q== X-Received: by 2002:a2e:5803:: with SMTP id m3mr2204216ljb.70.1627661732264; Fri, 30 Jul 2021 09:15:32 -0700 (PDT) Received: from [10.10.133.142] ([83.149.199.249]) by smtp.gmail.com with ESMTPSA id h4sm186531lft.184.2021.07.30.09.15.31 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Jul 2021 09:15:31 -0700 (PDT) From: Nikita Gnilozub-Volobuev X-Google-Original-From: Nikita Gnilozub-Volobuev To: qemu-devel@nongnu.org Subject: Problem with trace of x86 binary on x86_64 system with PANDA Message-ID: <1b6189d1-0123-efa7-23b4-42b60cefebbe@gmail.com> Date: Fri, 30 Jul 2021 19:15:30 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Received-SPF: pass client-ip=2a00:1450:4864:20::236; envelope-from=nikitag594@gmail.com; helo=mail-lj1-x236.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=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: Fri, 30 Jul 2021 12:18:17 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hello there. I'm a student and I'm writing my term paper. Part of it is the record the trace of x86 ELF on x86_64 Linux. For record I use PANDA. And I stacked with very strange problem: there is no system calls in my trace. When I see this I was very surprised and make simple grabber of translation blocks. As I know I must see in that sysenter (0x0F 0x34) and int 0x80 (0xCD 0x80). But nothing of them was in my blocks. Maybe trouble is in TCG? How I can test this and proxing system calls through PANDA for analyze it? For example what I mean: I have very stupid binary, it's just write "Hello world" to file. But PANDA can't catch any calls. Even write although it is clear that this call must be there. -- With best wishes, Gnilozub-Volobuev N.I.