possible unionfs bug

Pawel Jakub Dawidek nick at garage.freebsd.pl
Sun Jul 20 08:09:56 PDT 2003

On Sun, Jul 20, 2003 at 03:02:21PM +0200, Divacky Roman wrote:
+> I might be wrong but this:
+>         free(mp->mnt_data, M_UNIONFSMNT);       /* XXX */
+> 	mp->mnt_data = 0;
+> seems to me wrong.... and might cause crashes etc.
+> am I correct or wrong?

Could you describe scenario when this could be dangerous? Or why do you
think it is?

This memory is allocated while mounting unionfs file system,
so it is quite natural to free this memory while unmounting file system.

Pawel Jakub Dawidek                       pawel at dawidek.net
UNIX Systems Programmer/Administrator     http://garage.freebsd.pl
Am I Evil? Yes, I Am!                     http://cerber.sourceforge.net
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