=== modified file 'debian/changelog'
--- debian/changelog	2009-02-27 05:38:19 +0000
+++ debian/changelog	2009-03-11 10:02:05 +0000
@@ -1,3 +1,9 @@
+user-setup (1.23ubuntu15) jaunty; urgency=low
+
+  * Consider a password of '!' in shadow for root to be unset (LP: #340841)
+
+ -- Bryan McLellan <btm@loftninjas.org>  Wed, 11 Mar 2009 02:57:46 -0700
+
 user-setup (1.23ubuntu14) jaunty; urgency=low
 
   * user-setup/password-weak can't be preseeded since that would interfere

=== modified file 'functions.sh'
--- functions.sh	2009-02-27 05:32:48 +0000
+++ functions.sh	2009-03-11 09:57:16 +0000
@@ -36,6 +36,7 @@
 
 	if [ -e $ROOT/etc/shadow ] && \
 	   [ -n "`grep ^root: $ROOT/etc/shadow | cut -d : -f 2`" ] && \
+	   [ "x`grep ^root: $ROOT/etc/shadow | cut -d : -f 2`" != 'x!' ] && \
 	   [ "x`grep ^root: $ROOT/etc/shadow | cut -d : -f 2`" != 'x*' ]; then
 		return 0
 	fi