Description: Null pointer dereference when fcntl() called on aufs directory
References:
 http://www.openwall.com/lists/oss-security/2016/08/31/1
Notes:
 bwh> Debian-specific bug, introduced while making the check for the new
 bwh> setfl operation ABI-backward-compatible.  Affects 3.2.81-1
 bwh> (wheezy-security) and 3.16.36-1 (jessie-proposed-updates) only.
Bugs:
upstream: N/A "Vulnerable code not present"
3.16-upstream-stable: N/A "Vulnerable code not present"
3.2-upstream-stable: N/A "Vulnerable code not present"
sid: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"
3.2-wheezy-security: released (3.2.81-2) [debian/fs-fix-abi-change-for-aufs-f_setfl-fix.patch]