Bill Studenmund wrote:
> What version are y'all using? rmdir is another system call which uses
> namei with LOCKPARENT - you're hitting the vfs_lookup bug which was the
> subject of security advisory 1999-008.
> 
> Update to recent -current, or get recent 1.4_ALPHA.

There is no more problem after applying the patch from advisory.
Mea culpa.

-- 
Jaromir Dolecek <dolecek@ics.muni.cz>      http://www.ics.muni.cz/~dolecek/
"The only way how to get rid temptation is to yield to it." -- Oscar Wilde