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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 A2AA1C48BDF for ; Sun, 20 Jun 2021 04:36:04 +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 4A4216101A for ; Sun, 20 Jun 2021 04:36:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A4216101A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48960 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lupBj-0007ip-Gn for qemu-devel@archiver.kernel.org; Sun, 20 Jun 2021 00:36:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42048) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lup2N-0000uG-Rd for qemu-devel@nongnu.org; Sun, 20 Jun 2021 00:26:23 -0400 Received: from indium.canonical.com ([91.189.90.7]:45974) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lup2J-0002sM-9p for qemu-devel@nongnu.org; Sun, 20 Jun 2021 00:26:23 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.93 #5 (Debian)) id 1lup25-0003YF-P2 for ; Sun, 20 Jun 2021 04:26:06 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 29B8C2E826F for ; Sun, 20 Jun 2021 04:26:00 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Sun, 20 Jun 2021 04:17:24 -0000 From: Launchpad Bug Tracker <1808563@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Expired; importance=Undecided; assignee=None; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: alan.jones janitor th-huth X-Launchpad-Bug-Reporter: Alan Jones (alan.jones) X-Launchpad-Bug-Modifier: Launchpad Janitor (janitor) References: <154480918291.23267.15132018418369155034.malonedeb@soybean.canonical.com> Message-Id: <162416264483.7948.9693387858046296407.malone@loganberry.canonical.com> Subject: [Bug 1808563] Re: Listing the contents of / lists QEMU_LD_PREFIX instead X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="ed184eb8c3e03c8a0c3f47e69a5c546619a1af7c"; Instance="production" X-Launchpad-Hash: d9c1d4d6d5672cd7c16e02d9bc31fdfcb8521c02 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1808563 <1808563@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" [Expired for QEMU because there has been no activity for 60 days.] ** Changed in: qemu Status: Incomplete =3D> Expired -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1808563 Title: Listing the contents of / lists QEMU_LD_PREFIX instead Status in QEMU: Expired Bug description: Seeing this in qemu-user version 3.1.0 Demo: $ QEMU_LD_PREFIX=3D$(pwd)/usr/armv7a-cros-linux-gnueabi ../run/qemu-arm /= tmp/coreutils --coreutils-prog=3Dls / = etc lib usr $ ls / boot etc lib lib64 lost+found mnt root sbin sys usr bin dev export home lib32 net proc run tmp var $ ls usr/armv7a-cros-linux-gnueabi etc lib usr In strace, the openat for "/" is remapped to the directory specified in Q= EMU_LD_PREFIX: [pid 5302] openat(AT_FDCWD, "/tmp/qemu/usr/armv7a-cros-linux-gnueabi", O= _RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =3D 3 As an aside, if I change the code to do chdir("/"); opendir("."); it works fine. 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