Which version of Ubuntu is this?
It's yet another case of double free in vim, this is probably a dupe of Bug #219546 and Bug #215374.
This is probably the patch that fixes it (from Oct 30, 2007, a year ago):
7.1.147 (after 7.1.127) freeing memory twice completing user name
Which version of Ubuntu is this?
It's yet another case of double free in vim, this is probably a dupe of Bug #219546 and Bug #215374.
This is probably the patch that fixes it (from Oct 30, 2007, a year ago):
7.1.147 (after 7.1.127) freeing memory twice completing user name