Force initialization of variables containing userspace addresses

configname: CONFIG_GCC_PLUGIN_STRUCTLEAK

Linux Kernel Configuration
└─>GCC plugins
└─>Force initialization of variables containing userspace addresses
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This plugin zero-initializes any structures containing a
__user attribute. This can prevent some classes of information
exposures.

This plugin was ported from grsecurity/PaX. More information at:
* https://grsecurity.net/
* https://pax.grsecurity.net/