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-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1934221 Title: systemd-resolve segfault Status in systemd package in Ubuntu: Fix Released Status in systemd source package in Focal: Fix Released Status in systemd source package in Hirsute: Fix Released Status in systemd source package in Impish: Fix Released Bug description: [Impact] * systemd-resolved stops replying to clients on the local LAN. * logging segfault crashes in dmesg: [836786.046514] systemd-resolve[872009]: segfault at 39900000000 ip 0000039900000000 sp 00007ffd7959a6d8 error 14 in systemd-resolved[556398695000+9000] [836786.046524] Code: Bad RIP value. [840887.303994] traps: systemd-resolve[877019] general protection fault ip:55ba402e2594 sp:7ffe8cb6bbb0 error:0 in systemd-resolved[55ba402b5000+40000] [844395.313421] systemd-resolve[878503]: segfault at 208 ip 00005557a249f5fa sp 00007ffe686f5a90 error 6 in systemd-resolved[5557a2472000+40000] [844395.313431] Code: 48 85 c0 74 0e 48 8b 8d 00 01 00 00 48 89 88 00 01 00 00 48 8b 85 00 01 00 00 48 85 c0 0f 84 1d 01 00 00 48 8b 95 f8 00 00 00 <48> 89 90 f8 00 00 00 48 c7 85 00 01 00 00 00 00 00 00 48 c7 85 f8 * The upload backports the upstream fix (https://github.com/systemd/systemd/pull/18832) to Focal & Hirsute. [Test Plan] * Setup /etc/systemd/resolved.conf: [Resolve] DNS=46.182.19.48#dns2.digitalcourage.de 1.1.1.1#cloudflare-dns.com 9.9.9.9#dns.quad9.net DNSSEC=yes DNSOverTLS=opportunistic MulticastDNS=no LLMNR=no Cache=yes DNSStubListener=yes Domains=~. * wait for ~24-48 hours and observe if any crash happens [Where problems could occur] * Any regression would likely cause crashes in systemd-resolved, making it unresponsive to DNS network name requests to local applications. [Other Info] * Reported upstream: https://github.com/systemd/systemd/issues/18427 * Fixed upstream in v248: https://github.com/systemd/systemd/pull/18832 === Original description === systemd-resolve keep crashing and it is very annoying as sometimes it severely interrupt normal dns resolving. Last uploaded report is 2d9e7378-d89b-11eb-9e14-fa163ee63de6 Typical error in dmesg: systemd-resolve[1792202]: segfault at 564ff982f3e0 ip 0000564ff982f3e0 sp 00007ffe2fd0b758 error 15 apport hints me that problem is related to mdns #3 0x00007f3e903c2f11 in sd_event_dispatch () from /lib/systemd/libsystemd-shared-245.so It might be (or not) related that some hosts with mdns in my network have ipv6 enabled. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: systemd 245.4-4ubuntu3.7 ProcVersionSignature: Ubuntu 5.4.0-75.84-generic 5.4.119 Uname: Linux 5.4.0-75-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Jul 1 08:22:51 2021 InstallationDate: Installed on 2018-12-05 (938 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) MachineType: System manufacturer System Product Name ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-75-generic root=UUID=54b80d5c-3d61-4919-873f-0d308083e3b9 ro quiet splash vt.handoff=7 SourcePackage: systemd UpgradeStatus: Upgraded to focal on 2020-05-22 (405 days ago) dmi.bios.date: 05/12/2020 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1205 dmi.board.asset.tag: Default string dmi.board.name: ROG STRIX X399-E GAMING dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1205:bd05/12/2020:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGSTRIXX399-EGAMING:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.sku: SKU dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1934221/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
