Ubuntu
exuberant-ctags package

Infinite loop in vim mode/file with "command '...'"

Bug #736367 reported by Daniel Hahler on 2011-03-16

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	Exuberant-Ctags	Unknown	Unknown	sf #3214129
	exuberant-ctags (Ubuntu)	Fix Released	Low	Colin Watson

Bug Description

Binary package hint: exuberant-ctags

There is a problem with ctags, when command is used with a (quoted) string argument, which causes an infinite loop.

This happens with 5.8-3ubuntu1 and 5.9~svn20110310-0ubuntu1 (from my PPA).

REPRODUCE:
1. Create a file test.vim:
echo "command 'foo'" > test.vim
2. Run ctags against it:
ctags test.vim
3. If the bug is present, it will loop forever.

Related branches

lp:debian/exuberant-ctags

lp:ubuntu/natty/exuberant-ctags

Revision history for this message

Colin Watson (cjwatson) wrote on 2011-03-17:

Fixed for my next Debian upload, although note that this is not a valid name for a command according to the Vim documentation.

Changed in exuberant-ctags (Ubuntu):
assignee:	nobody → Colin Watson (cjwatson)
importance:	Undecided → Low
status:	New → Fix Committed

Revision history for this message

Launchpad Janitor (janitor) wrote on 2011-03-18:

This bug was fixed in the package exuberant-ctags - 1:5.9~svn20110310-1

---------------
exuberant-ctags (1:5.9~svn20110310-1) unstable; urgency=low

  * New upstream release snapshot (thanks, Daniel Hahler; LP: #732860).
    - Fix crash with comments inside strings in OCaml (LP: #554898).
  * Drop accepted patches:
    - debian/patches/make-match-loop.patch
    - debian/patches/php-ignore-keywords-in-comments.patch
  * For Python, disable -i so imports are not tagged by default (thanks,
    Barry Warsaw; LP: #618979).
  * Upstream uses AC_SYS_LARGEFILE now, so drop explicit
    -D_FILE_OFFSET_BITS=64 in debian/rules.
  * Fix infinite loop parsing vim commands, when a non-alphanumeric
    character other than whitespace or '-' is found before the first
    alphanumeric character after 'command' (LP: #736367).

exuberant-ctags (1:5.8-4) unstable; urgency=low

* Apply patch from Ben Spencer to use memmove rather than strcpy on
overlapping strings (closes: #594185).
-- Colin Watson <email address hidden> Fri, 18 Mar 2011 10:27:01 +0000