Description: HFS NULL deref
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=712774
 https://lkml.org/lkml/2011/6/8/154
 http://thread.gmane.org/gmane.linux.kernel/1191663
Notes:
Bugs:
upstream: released (3.2-rc1) [434a964daa14b9db083ce20404a4a2add54d037a]
2.6.32-upstream-stable: released (2.6.32.51)
sid: released (3.1.1-1)
2.6.26-lenny-security: released (2.6.26-28) [bugfix/all/hfs-fix-hfs_find_init-ext_tree-NULL-ptr-oops.patch]
2.6.32-squeeze-security: released (2.6.32-40)