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[Bug 1509081] Re: nano segfaults as root after upgrade to 15.10

 

> but it is in the /etc/nanorc file

Ubuntu sets 'locking' by default?  What's the output of 'grep locking
/etc/nanorc'?

> files.c: In function ‘write_lockfile’:
> files.c:149:6: error: label ‘free_and_fail’ used but not defined
>       goto free_and_fail;

Ah.  But then applying the patch should have failed.  Did you edit the
file by hand?

Nevermind.  See the updated patch for version 2.4.2.  (Yes, sorry, SVN
is far ahead of 2.4.2 -- there should have been a 2.4.3 two months ago.)


** Patch added: "trims an overlong hostname instead of complaining"
   https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1509081/+attachment/4513318/+files/trim-an-overlong-hostname.patch

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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:
  Confirmed

Bug 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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References