[rsbac] Minor Bugfix v1.2.3-12

[Amon Ott]

12. General/Kernels 2.6.6-2.6.10: Hangs with ReiserFS and Posix ACLs

    * Urgency: Low.
    * What you see: When mounting a ReiserFS filesystem with Posix 
ACLs under Kernels 2.6.6-10 with RSBAC, the mount and finally the 
whole system hangs.
    * What is wrong: During mount, ReiserFS makes a directory lookup 
with a lock held. At this time, RSBAC has not yet been initialized 
for the new filesystem mount, so it tries to auto-rsbac_mount the 
unknown device. The auto-rsbac_mount also tries to acquire the lock, 
and the process hangs.
    * Implications: 2.6.6-10 cannot be used with ReiserFS and Posix 
ACLs.
    * RSBAC versions affected: 1.2.3.
    * Bugtracker issue: #0000012.
    * What you should do: Disable Posix ACLs in ReiserFS kernel 
configuration or apply this patch (MD5 / GnuPG Cert) to make the 
lookup without RSBAC checks. Recompile the kernel, install and 
reboot.

Amon.
-- 
http://www.rsbac.org - GnuPG: 2048g/5DEAAA30 2002-10-22
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