userns: Allow unprivilged mounts of proc and sysfs
- The context in which proc and sysfs are mounted have no
effect on the the uid/gid of their files so no conversion is
needed except allowing the mount.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/fs/proc/root.c b/fs/proc/root.c
index f2f2511..c6e9fac 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -145,6 +145,7 @@
.name = "proc",
.mount = proc_mount,
.kill_sb = proc_kill_sb,
+ .fs_flags = FS_USERNS_MOUNT,
};
void __init proc_root_init(void)