Simple to reproduce problem that has been introduced in the last few months.
Consider the following situation where /dev is in aufs. and where /.rw is the read/write part of the aufs filesystem: mknod /dev/foo c 27 3 chown root:audio /dev/foo chmod 660 /dev/foo ls -l /dev/foo /.rw/dev/foo crw-rw-r-- 1 root audio 27, 3 2008-11-13 10:41 /dev/foo crw-r--r-- 1 root root 27, 3 2008-11-13 10:41 /.rw/dev/foo The permissions and ownership are not propagated to the underlying filesystem. Later on, at some random time, the perms from the /.rw partition 'leak' back to the top level, appearing to the user as if the perms/ownership have spontaneously changed. Only happens with device nodes - not important if they are in /dev or not. Bug still exists in current (2008/11/13) CVS. cheers, Kris ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/
