Description: binder: Information leak from print_binder_ref
References:
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20509
 https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20509.html
Notes:
 bwh> This is a kernel pointer leak through debugfs, so not a
 bwh> significant security issue.  I will fix it along with other
 bwh> pointer leaks.
Bugs:
upstream: released (4.14-rc1) [372e3147df7016ebeaa372939e8774a1292db558]
4.19-upstream-stable: N/A "Fixed before branching point"
4.9-upstream-stable: released (4.9.181) [9cd1447e6277bef335a3c50e3778e4593c9f0d3e]
3.16-upstream-stable: ignored "debugfs restricted to root by default"
sid: released (4.14.2-1)
4.9-stretch-security: released (4.9.184-1)
3.16-jessie-security: ignored "debugfs restricted to root by default"