On Thu, Aug 23, 2012 at 05:16:47PM +0800, jinxiu su wrote: > Hi....I am su, a new linuxer. > > I am doing some development on linux security modules(LSM), and I use > extended attribute to store the security information. > > But problems encountered.. > > when the kernel module that I developed is working a long time ,the > extended attribute of this file named /lib/ld-2.5.so lost.Exactly, it 's > replace by zero. > > and in my kernel module ,there is a policy, when create a inode, the > extended attribute will be initialized to zero. But when I check /lib/ > ld-2.5.so, the inode is not changed, exactly it's not a new inode. I am > becoming confused.... > > I think there must be some fatal bugs in my kernel module.But I am just > wondering in which condition can make a file's extended attribute field > to be replaced by zero? in which condition can make /lib/ld-2.5.so extended > attribute to be zero? No idea. What filesystem did this happen on, and what kernel? it sounds like the attribute got deleted, or a system upgrade replaced the file with a new, possibly identical version... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs