** Description changed: + [Impact] + This release contains a regression bug-fix for un-breaking the ABI compatibility between libnetplan 0.102 and netplan.io 0.101, which was taken from a pending upstream pull request: https://github.com/canonical/netplan/pull/206 (d/patches/fix-lp1922898) + + [Test Plan] + The following development and SRU process was followed: + https://wiki.ubuntu.com/NetplanUpdates + + Netplan contains an extensive integration test suite that is ran using + the SRU package for each release. This test suite's results are available here: + http://autopkgtest.ubuntu.com/packages/n/netplan.io + + A successful run is required before the proposed netplan.io package + can be let into -updates. + + The netplan team will be in charge of attaching the artifacts and console + output of the appropriate run to the bug. Netplan team members will not + mark ‘verification-done’ until this has happened. + + Additionally, we want to manually verify the ABI compatibility (i.e. not + SEGFAULT) between the new libnetplan and the old netplan.io "generate" + binary, with the steps described below: + + * Have netplan 0.101 installed + * Upgrade ONLY libnetplan0 to 0.102 + $ cat /etc/netplan/00-config.yaml + network: + ethernets: + ens5: + dhcp4: true + dhcp6: false + match: + macaddress: 06:f8:32:e5:34:28 + set-name: ens5 + version: 2 + $ /usr/lib/netplan/generate + * Make sure the "generate" binary did not crash. + + [Where problems could occur] + Netplan being a core package it could impact the whole networking stack of the operating system up to the point where servers would not be reachable anymore after a reboot, due to broken network config being generated by netplan at bootup. In order to mitigate the regression potential, the results of the aforementioned integration tests are attached to this bug. + + Additionally, this SRU needs to drop the "Added ttl option for tunnels + (LP: #1846783)" feature, added during the 0.102/Hirsute development + cycle. So users of the -devel series using the new "tunnels.ttl" + setting are going to miss this until it is re-implemented in an ABI + preserving way. + + Hirsute (Bileto pre-test): + https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute-ci-train-ppa-service-4530/hirsute/amd64/n/netplan.io/20210416_204928_fec70@/log.gz + https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute-ci-train-ppa-service-4530/hirsute/arm64/n/netplan.io/20210416_213837_fec70@/log.gz + https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute-ci-train-ppa-service-4530/hirsute/armhf/n/netplan.io/20210416_201636_fec70@/log.gz + https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute-ci-train-ppa-service-4530/hirsute/ppc64el/n/netplan.io/20210416_210302_fec70@/log.gz + https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute-ci-train-ppa-service-4530/hirsute/s390x/n/netplan.io/20210416_204523_fec70@/log.gz + + Groovy: + TBD groovy_amd64.log + TBD groovy_arm64.log + TBD groovy_armhf.log + TBD groovy_ppc64el.log + TBD groovy_s390x.log + + Focal: + TBD focal_amd64.log + TBD focal_arm64.log + TBD focal_armhf.log + TBD focal_ppc64el.log + TBD focal_s390x.log + + [Other Info] + The integration test logs are attached to this bug, once the package has been accepted into -proposed and the tests have been executed on the real infrastructure. + + == Original description == + Today a bunch of our ubuntu 20.04 servers on AWS EC2 (both amd64 and arm) upgraded to netplan 0.102-0ubuntu1~20.04.1, which resulted in a segfault when netplan ran generate, and then took the whole network down with it, the servers had to be force rebooted. kernel: [1938106.074273] netplan[2874371]: segfault at 100000000 ip 00007f72cb991675 sp 00007ffe8be03158 error 4 in libc-2.31.so[7f72cb82b000+178000] kernel: [1938106.074282] Code: 00 00 0f 1f 00 31 c0 c5 f8 77 c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 89 f9 48 89 fa c5 f9 ef c0 83 e1 3f 83 f9 20 77 2b <c5> fd 74 0f c5 fd d7 c1 85 c0 0f 85 eb 00 00 00 48 83 c7 20 83 e1 systemd[2874368]: /usr/lib/systemd/system-generators/netplan terminated by signal SEGV. /etc/netplan/ is the default from aws ubuntu 20.04 image.
** Summary changed: - SEGFAULT on upgrade to 0.102-0ubuntu1~20.04.1 + [SRU] SEGFAULT on upgrade to 0.102-0ubuntu1~20.04.1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922898 Title: [SRU] SEGFAULT on upgrade to 0.102-0ubuntu1~20.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/netplan/+bug/1922898/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
