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Wed, 26 Feb 2025 10:06:19 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 26 Feb 2025 09:55:48 -0000 From: Launchpad Bug Tracker <2072564@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Fix Released; importance=Unknown; assignee=None; X-Launchpad-Bug: distribution=ubuntu; sourcepackage=qemu; component=main; status=Triaged; importance=Undecided; assignee=lukas.maerdian@canonical.com; X-Launchpad-Bug: distribution=ubuntu; distroseries=noble; sourcepackage=qemu; component=main; status=Triaged; importance=Undecided; assignee=None; X-Launchpad-Bug: distribution=ubuntu; distroseries=oracular; sourcepackage=qemu; component=main; status=Triaged; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: patch X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: crichton dimitry.unified-streaming.com michal.fita paelzer sergiodj thir820 X-Launchpad-Bug-Reporter: Dimitry Andric (dimitry.unified-streaming.com) X-Launchpad-Bug-Modifier: Launchpad Janitor (janitor) References: <172053137048.3332067.13534832802726064667.malonedeb@juju-98d295-prod-launchpad-7> Message-Id: <174056374883.824404.16087799081152953020.launchpad@scripts-bzrsyncd.lp.internal> Subject: [Bug 2072564] Re: qemu-aarch64-static segfaults running ldconfig.real (amd64 host) 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="aa29ae0fff49e4e804b39147c9f259d2fb023199"; Instance="launchpad-scripts" X-Launchpad-Hash: cff8db02c0ed208325c8f901059a2fe970756744 Received-SPF: pass client-ip=185.125.188.251; envelope-from=noreply@launchpad.net; helo=smtp-relay-services-1.canonical.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 2072564 <2072564@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org ** Merge proposal linked: https://code.launchpad.net/~slyon/ubuntu/+source/qemu/+git/qemu/+merge/4= 81943 --=20 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/2072564 Title: qemu-aarch64-static segfaults running ldconfig.real (amd64 host) Status in QEMU: Fix Released Status in qemu package in Ubuntu: Triaged Status in qemu source package in Noble: Triaged Status in qemu source package in Oracular: Triaged Bug description: This affects the qemu-user-static 1:8.2.2+ds-0ubuntu1 package on Ubuntu 24.04, running on a amd64 host. When running docker containers with Ubuntu 22.04 in them, emulating arm64 with qemu-aarch64-static, invocations of ldconfig (actually ldconfig.real) segfault. For example: $ docker run -ti --platform linux/arm64/v8 ubuntu:22.04=20 root@8861ff640a1c:/# /sbin/ldconfig.real Segmentation fault If you copy the ldconfig.real binary to the host, and run it directly via qemu-aarch64-static: $ gdb --args qemu-aarch64-static ./ldconfig.real=20 GNU gdb (Ubuntu 15.0.50.20240403-0ubuntu1) 15.0.50.20240403-git Copyright (C) 2024 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from qemu-aarch64-static... Reading symbols from /home/dim/.cache/debuginfod_client/86579812b213be096= 4189499f62f176bea817bf2/debuginfo... (gdb) r Starting program: /usr/bin/qemu-aarch64-static ./ldconfig.real [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7ffff76006c0 (LWP 28378)] Thread 1 "qemu-aarch64-st" received signal SIGSEGV, Segmentation fault. 0x00007fffe801645b in ?? () (gdb) disassemble=20 No function contains program counter for selected frame. It looks like this is a known qemu regression after v8.1.1: https://gitlab.com/qemu-project/qemu/-/issues/1913 Downgrading the package to qemu-user- static_8.0.4+dfsg-1ubuntu3_amd64.deb fixes the segfault. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/2072564/+subscriptions