[PATCHv4 1/2] capability: introduce sysctl for controlled user-ns capability whitelist

From: Mahesh Bandewar Add a sysctl variable kernel.controlled_userns_caps_whitelist. Capability mask is stored in kernel as kernel_cap_t type (array of u32). This sysctl takes input as comma separated hex u32 words. For simplicity one could see this sysctl to operate on

[PATCHv4 1/2] capability: introduce sysctl for controlled user-ns capability whitelist

From: Mahesh Bandewar Add a sysctl variable kernel.controlled_userns_caps_whitelist. Capability mask is stored in kernel as kernel_cap_t type (array of u32). This sysctl takes input as comma separated hex u32 words. For simplicity one could see this sysctl to operate on string inputs. However