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[reedy <1509081@xxxxxxxxxxxxxxxxxx>]

Unpacking nano (2.4.2-1ubuntu0.1) over (2.4.2-1) ...


Re-enabled locking and now nano doesn't segfault (in default config) on the target machine

Tag updated :)

Thankyou!

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https://bugs.launchpad.net/bugs/1509081

Title:
  nano segfaults as root after upgrade to 15.10

Status in nano package in Ubuntu:
  Fix Released
Status in nano source package in Wily:
  Fix Committed

Bug description:
  [Impact]

  On systems with a long hostname, nano either segfaults or refuses to
  work properly.

  [Test Case]
  1- set a long hostname with "hostname thisisareallyreallyreallylonghostname"
  2- try and edit a file: "nano /etc/hosts"
  3- make sure there is no segfault, or error in nano window: "Couldn't determine host name..."

  [Regression Potential]

  Patch is quite simple an obvious. A regression would mean lock files
  wouldn't work properly.

  
  ----

  
  Original description:

  Description:	Ubuntu 15.10
  Release:	15.10

  nano:
    Installed: 2.4.2-1
    Candidate: 2.4.2-1
    Version table:
   *** 2.4.2-1 0
          500 http://mirror.bytemark.co.uk/ubuntu/ wily/main amd64 Packages
          100 /var/lib/dpkg/status

  After upgrading Ubuntu 15.04 to 15.10, when I run nano as root on a
  file it just segfaults. I'm not having this problem on other
  15.04->15.10 upgrades

  strace is https://p.defau.lt/?q7xGwt3HoqB74xTawUUHDA
  catchsegv is https://p.defau.lt/?0SPQY_bDj6F6j1ZKeToQoA

  Under gdb with nano-dbgsym installed, it gives

  #0  main (argc=2, argv=0x7fffffffe688) at ../../src/nano.c:2768

  If I run it as sudo nano filename.txt, it gives an error as below
  rather than segfaulting

  [ Couldn't determine hostname for lock file: File name too long ]

  Both my user and root have the same locale settings. I've tried
  regenerating the locales

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