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

 

Yay, rabbit holes...

Checked out from svn, extra packages installed, run autogen, then
./configure is giving

./configure: line 8316: syntax error near unexpected token `NCURSESW,'
./configure: line 8316: `	PKG_CHECK_MODULES(NCURSESW, ncursesw,'
root@ko-kra:~/nano# dpkg -l | grep ncurses
ii  libncurses5:amd64                   5.9+20150516-2ubuntu1           amd64        shared libraries for terminal handling
ii  libncurses5-dev:amd64               5.9+20150516-2ubuntu1           amd64        developer's libraries for ncurses
ii  libncursesw5:amd64                  5.9+20150516-2ubuntu1           amd64        shared libraries for terminal handling (wide character support)
ii  libncursesw5-dev:amd64              5.9+20150516-2ubuntu1           amd64        developer's libraries for ncursesw
ii  mtr-tiny                            0.85-3                          amd64        Full screen ncurses traceroute tool
ii  ncurses-base                        5.9+20150516-2ubuntu1           all          basic terminal type definitions
ii  ncurses-bin                         5.9+20150516-2ubuntu1           amd64        terminal-related programs and man pages
ii  ncurses-term                        5.9+20150516-2ubuntu1           all          additional terminal type definitions
root@ko-kra:~/nano#

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Touch seeded packages, which is subscribed to nano in Ubuntu.
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