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Date: Mon, 21 May 2012 11:25:01 +0900
From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To: ebiederm@...ssion.com
Cc: sfr@...b.auug.org.au, linux-kernel@...r.kernel.org
Subject: Re: Please include user-namespace.git in linux-next
I think something is wrong with commit e1c972b6 "userns: Add negative depends
on entries to avoid building code that is userns unsafe".
With gcc 4.4.6 on CentOS 6.2, "make allnoconfig" where UIDGID_CONVERTED should
become y is showing
Symbol: USER_NS [=n]
Type : boolean
Prompt: User namespace (EXPERIMENTAL)
Defined at init/Kconfig:880
Depends on: NAMESPACES [=y] && EXPERIMENTAL [=n] && UIDGID_CONVERTED [=n]
Location:
-> General setup
-> Namespaces support (NAMESPACES [=y])
Selects: UIDGID_STRICT_TYPE_CHECKS [=n]
.
I think this commit meant "!FOO" rather than "FOO = n",
othwewise there is no way for linux-next-20120518 to enable USER_NS.
----------------------------------------
PATCH: user_ns: Fix wrong dependency in UIDGID_CONVERTED.
"depends on FOO = n" should be "depends on !FOO".
Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SKAURA.ne.jp>
----------
diff --git a/init/Kconfig b/init/Kconfig
index 20f6702..7316ed6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -917,110 +917,110 @@ config UIDGID_CONVERTED
# 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
+ depends on !SYSVIPC
+ depends on !IMA
+ depends on !EVM
+ depends on !KEYS
+ depends on !AUDIT
+ depends on !AUDITSYSCALL
+ depends on !TASKSTATS
+ depends on !TRACING
+ depends on !FS_POSIX_ACL
+ depends on !QUOTA
+ depends on !QUOTACTL
+ depends on !DEBUG_CREDENTIALS
+ depends on !BSD_PROCESS_ACCT
+ depends on !DRM
+ depends on !PROC_EVENTS
# 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
+ depends on !NET
+ depends on !NET_9P
+ depends on !IPX
+ depends on !PHONET
+ depends on !NET_CLS_FLOW
+ depends on !NETFILTER_XT_MATCH_OWNER
+ depends on !NETFILTER_XT_MATCH_RECENT
+ depends on !NETFILTER_XT_TARGET_LOG
+ depends on !NETFILTER_NETLINK_LOG
+ depends on !INET
+ depends on !IPV6
+ depends on !IP_SCTP
+ depends on !AF_RXRPC
+ depends on !LLC2
+ depends on !NET_KEY
+ depends on !INET_DIAG
+ depends on !DNS_RESOLVER
+ depends on !AX25
+ depends on !ATALK
# 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
+ depends on !USB_DEVICEFS
+ depends on !USB_GADGETFS
+ depends on !USB_FUNCTIONFS
+ depends on !DEVTMPFS
+ depends on !XENFS
+
+ depends on !9P_FS
+ depends on !ADFS_FS
+ depends on !AFFS_FS
+ depends on !AFS_FS
+ depends on !AUTOFS4_FS
+ depends on !BEFS_FS
+ depends on !BFS_FS
+ depends on !BTRFS_FS
+ depends on !CEPH_FS
+ depends on !CIFS
+ depends on !CODA_FS
+ depends on !CONFIGFS_FS
+ depends on !CRAMFS
+ depends on !DEBUG_FS
+ depends on !ECRYPT_FS
+ depends on !EFS_FS
+ depends on !EXOFS_FS
+ depends on !FAT_FS
+ depends on !FUSE_FS
+ depends on !GFS2_FS
+ depends on !HFS_FS
+ depends on !HFSPLUS_FS
+ depends on !HPFS_FS
+ depends on !HUGETLBFS
+ depends on !ISO9660_FS
+ depends on !JFFS2_FS
+ depends on !JFS_FS
+ depends on !LOGFS
+ depends on !MINIX_FS
+ depends on !NCP_FS
+ depends on !NFSD
+ depends on !NFS_FS
+ depends on !NILFS2_FS
+ depends on !NTFS_FS
+ depends on !OCFS2_FS
+ depends on !OMFS_FS
+ depends on !QNX4FS_FS
+ depends on !QNX6FS_FS
+ depends on !REISERFS_FS
+ depends on !SQUASHFS
+ depends on !SYSV_FS
+ depends on !UBIFS_FS
+ depends on !UDF_FS
+ depends on !UFS_FS
+ depends on !VXFS_FS
+ depends on !XFS_FS
+
+ depends on !UML || !HOSTFS
# 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
+ depends on !AIRO
+ depends on !AIRO_CS
+ depends on !TUN
+ depends on !INFINIBAND_QIB
+ depends on !BLK_DEV_LOOP
+ depends on !ANDROID_BINDER_IPC
# Security modules
- depends on SECURITY_TOMOYO = n
- depends on SECURITY_APPARMOR = n
+ depends on !SECURITY_TOMOYO
+ depends on !SECURITY_APPARMOR
config UIDGID_STRICT_TYPE_CHECKS
bool "Require conversions between uid/gids and their internal representation"
--
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