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-rw-r--r--init/Kconfig130
1 files changed, 129 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index a30fe085940..ccb5248474c 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -873,7 +873,10 @@ config IPC_NS
config USER_NS
bool "User namespace (EXPERIMENTAL)"
depends on EXPERIMENTAL
- default y
+ depends on UIDGID_CONVERTED
+ select UIDGID_STRICT_TYPE_CHECKS
+
+ default n
help
This allows containers, i.e. vservers, to use user namespaces
to provide different user info for different servers.
@@ -897,6 +900,131 @@ config NET_NS
endif # NAMESPACES
+config UIDGID_CONVERTED
+ # True if all of the selected software conmponents are known
+ # to have uid_t and gid_t converted to kuid_t and kgid_t
+ # where appropriate and are otherwise safe to use with
+ # the user namespace.
+ bool
+ default y
+
+ # List of kernel pieces that need user namespace work
+ # Features
+ depends on SYSVIPC = n
+ depends on IMA = n
+ depends on EVM = n
+ depends on KEYS = n
+ depends on AUDIT = n
+ depends on AUDITSYSCALL = n
+ depends on TASKSTATS = n
+ depends on TRACING = n
+ depends on FS_POSIX_ACL = n
+ depends on QUOTA = n
+ depends on QUOTACTL = n
+ depends on DEBUG_CREDENTIALS = n
+ depends on BSD_PROCESS_ACCT = n
+ depends on DRM = n
+ depends on PROC_EVENTS = n
+
+ # Networking
+ depends on NET = n
+ depends on NET_9P = n
+ depends on IPX = n
+ depends on PHONET = n
+ depends on NET_CLS_FLOW = n
+ depends on NETFILTER_XT_MATCH_OWNER = n
+ depends on NETFILTER_XT_MATCH_RECENT = n
+ depends on NETFILTER_XT_TARGET_LOG = n
+ depends on NETFILTER_NETLINK_LOG = n
+ depends on INET = n
+ depends on IPV6 = n
+ depends on IP_SCTP = n
+ depends on AF_RXRPC = n
+ depends on LLC2 = n
+ depends on NET_KEY = n
+ depends on INET_DIAG = n
+ depends on DNS_RESOLVER = n
+ depends on AX25 = n
+ depends on ATALK = n
+
+ # Filesystems
+ depends on USB_DEVICEFS = n
+ depends on USB_GADGETFS = n
+ depends on USB_FUNCTIONFS = n
+ depends on DEVTMPFS = n
+ depends on XENFS = n
+
+ depends on 9P_FS = n
+ depends on ADFS_FS = n
+ depends on AFFS_FS = n
+ depends on AFS_FS = n
+ depends on AUTOFS4_FS = n
+ depends on BEFS_FS = n
+ depends on BFS_FS = n
+ depends on BTRFS_FS = n
+ depends on CEPH_FS = n
+ depends on CIFS = n
+ depends on CODA_FS = n
+ depends on CONFIGFS_FS = n
+ depends on CRAMFS = n
+ depends on DEBUG_FS = n
+ depends on ECRYPT_FS = n
+ depends on EFS_FS = n
+ depends on EXOFS_FS = n
+ depends on FAT_FS = n
+ depends on FUSE_FS = n
+ depends on GFS2_FS = n
+ depends on HFS_FS = n
+ depends on HFSPLUS_FS = n
+ depends on HPFS_FS = n
+ depends on HUGETLBFS = n
+ depends on ISO9660_FS = n
+ depends on JFFS2_FS = n
+ depends on JFS_FS = n
+ depends on LOGFS = n
+ depends on MINIX_FS = n
+ depends on NCP_FS = n
+ depends on NFSD = n
+ depends on NFS_FS = n
+ depends on NILFS2_FS = n
+ depends on NTFS_FS = n
+ depends on OCFS2_FS = n
+ depends on OMFS_FS = n
+ depends on QNX4FS_FS = n
+ depends on QNX6FS_FS = n
+ depends on REISERFS_FS = n
+ depends on SQUASHFS = n
+ depends on SYSV_FS = n
+ depends on UBIFS_FS = n
+ depends on UDF_FS = n
+ depends on UFS_FS = n
+ depends on VXFS_FS = n
+ depends on XFS_FS = n
+
+ depends on !UML || HOSTFS = n
+
+ # The rare drivers that won't build
+ depends on AIRO = n
+ depends on AIRO_CS = n
+ depends on TUN = n
+ depends on INFINIBAND_QIB = n
+ depends on BLK_DEV_LOOP = n
+ depends on ANDROID_BINDER_IPC = n
+
+ # Security modules
+ depends on SECURITY_TOMOYO = n
+ depends on SECURITY_APPARMOR = n
+
+config UIDGID_STRICT_TYPE_CHECKS
+ bool "Require conversions between uid/gids and their internal representation"
+ depends on UIDGID_CONVERTED
+ default n
+ help
+ While the nececessary conversions are being added to all subsystems this option allows
+ the code to continue to build for unconverted subsystems.
+
+ Say Y here if you want the strict type checking enabled
+
config SCHED_AUTOGROUP
bool "Automatic process group scheduling"
select EVENTFD