Messages in this thread | | | Date | Thu, 9 Jan 2014 22:28:10 +0000 | From | Al Viro <> | Subject | Re: [PATCH] SELinux: Fix possible NULL pointer dereference in selinux_inode_permission() |
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On Thu, Jan 09, 2014 at 11:05:45AM -0500, Eric Paris wrote: > [adding lsm and selinux] > > Am I just crazy, or was this bug discussed (and obviously not fixed) > some time ago? > > VFS can still use inodes after security_inode_free_security() was > called...
Unrelated bug.
> > Assuming the VFS guys say that delaying __destroy_inode() is safe like > > that, I like it better. It also means that this is fixed for all LSMs, > > not just SELinux...
Recall what your own code called from __destroy_inode() (fsnotify horrors) is doing - you can't grab a mutex from RCU callback...
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