[Bug 1572807] Re: /bin/nano:*** Error in `nano': double free or corruption (!prev): ADDR ***

[Benno Schulenberg]

(Oh!  For some reason I am not getting all of the bug mail from
Launchpad.  At least: I missed notifications about this bug.)

Hm...  It seems that free() on Ubuntu checks that nothing was written
outside of the allocated space?  Does malloc() put a "canary" at the
tail?

Anyway, I am pretty sure that the patch attached to bug #1641592 will
fix this crash.  It is same patch as the second one attached to
https://lists.gnu.org/archive/html/nano-devel/2016-04/msg00075.html,
which was applied upstream nearly a year ago.

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https://bugs.launchpad.net/bugs/1572807

Title:
  /bin/nano:*** Error in `nano': double free or corruption (!prev): ADDR
  ***

Status in nano package in Ubuntu:
  Confirmed

Bug description:
  The Ubuntu Error Tracker has been receiving reports about a problem
  regarding nano.  This problem was most recently seen with version
  2.5.3-2, the problem page at
  https://errors.ubuntu.com/problem/7dd7f74a72fca06513544d8af66b623efa15b26c
  contains more details.

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