If this can help, here the rights when downgrading package
to 3.0.13debian-1 :
# ls -lhad /tmp/passenger.1.0.2313/
drwsr-xr-x 3 root root 1.0K Jan 31 11:41 /tmp/passenger.1.0.2313/
# ls -lhad /tmp/passenger.1.0.2313/generation-1/
drws--x--x 5 root root 1.0K Jan 31 11:41 /tmp
Package: ruby-passenger
Version: 3.0.13debian-1+deb7u1
Severity: important
Dear Maintainer,
We use Redmine (from Debian package) and the last passenger update
(3.0.13debian-1+deb7u1) has broken the permissions in /tmp/passengerXXX
(e.g /tmp/passenger.1.0.25998).
Apache runs as www-data but this
