From 0bd14b4fd72afd5df41e9fd59f356740f22fceba Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 27 Dec 2012 22:27:29 -0800 Subject: [PATCH] userns: Allow any uid or gid mappings that don't overlap. When I initially wrote the code for /proc//uid_map. I was lazy and avoided duplicate mappings by the simple expedient of ensuring the first number in a new extent was greater than any number in the previous extent. Unfortunately that precludes a number of valid mappings, and someone noticed and complained. So use a simple check to ensure that ranges in the mapping extents don't overlap. Acked-by: Serge Hallyn Signed-off-by: "Eric W. Biederman" --- Reading git-format-patch failed