[PATCH 1/2] capability: introduce sysctl for controlled user-ns capability whitelist

2017-09-29 Thread Mahesh Bandewar
From: Mahesh Bandewar Add a sysctl variable kernel.controlled_userns_caps_whitelist. This takes input as capability mask expressed as two comma separated hex u32 words. The mask, however, is stored in kernel as kernel_cap_t type. Any capabilities that are not part of this mask will be controlled

[RFC PATCH 1/2] capability: introduce sysctl for controlled user-ns capability whitelist

2017-09-21 Thread Mahesh Bandewar
From: Mahesh Bandewar Add a sysctl variable kernel.controlled_userns_caps_whitelist. This takes input as capability mask expressed as two comma separated hex u32 words. The mask, however, is stored in kernel as kernel_cap_t type. Any capabilities that are not part of this mask will be controlled