[Bug 1922898] Re: SEGFAULT on upgrade to 0.102-0ubuntu1~20.04.1

[Launchpad Bug Tracker]

This bug was fixed in the package netplan.io - 0.102-0ubuntu2

---------------
netplan.io (0.102-0ubuntu2) hirsute; urgency=medium

  * gbp.conf: use ubuntu/<version> tags
  * control: strict libnetplan dependency on binary version (LP: #1922898)

 -- Lukas Märdian <slyon at ubuntu.com>  Wed, 14 Apr 2021 11:35:12 +0200

** Changed in: netplan.io (Ubuntu)
       Status: Confirmed => Fix Released

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Title:
  SEGFAULT on upgrade to 0.102-0ubuntu1~20.04.1

Status in netplan:
  Confirmed
Status in netplan.io package in Ubuntu:
  Fix Released
Status in netplan.io source package in Focal:
  Confirmed

Bug 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.

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