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Subject[REVIEW][PATCH 0/15] userns subsystem conversions

This patchset updates all of the major linux subsystems that use uids
and gids to store them in kuid_t and kgid_t types.

This update allows some of the subsystems to work in all user namespaces
while other subsystems were updated to only work in the initial user
namespace.

kuid_t and kgid_t values have been pushed as deeply into the code as
possible to allow type checking to find as many problems as possible.
In a couple of cases this involved taking an implicit union stored in
an unsigned int and making it an explicit union.

This patchset is based on 3.6-rc1 and strictly against:
git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git for-next

My intention after these patches have been reviewed is to add them to my
non-rebasing for-next branch of my user namespace tree and to merge
these changes into 3.7.

I had hoped when I converted the core kernel that I would have removed
the interactions between subsystems and would be able to merge these
changes independently through maintainer trees in a timely fashion, but
there are just enough dependencies and interactions that the changes
really all need to be in one tree to make these changes testable/usable.

Once these changes hit my for-next branch I won't be rebasing them so
if a maintainer wants to merge them to avoid conflicts feel free.

The biggest cross subystem change this round is probably the change
to have audit_get_loginuid return a kuid_t, but it certainly isn't
the only cross subsystem change.

Eric W. Biederman (15):
userns: Enable building of pf_key sockets when user namespace support is enabled.
userns: Make credential debugging user namespace safe.
userns: Convert security/keys to the new userns infrastructure
userns: net: Call key_alloc with GLOBAL_ROOT_UID, GLOBAL_ROOT_GID instead of 0, 0
userns: Convert ipc to use kuid and kgid where appropriate
userns: Convert audit to use kuid and kgid where appropriate
userns: Convert taskstats to handle the user and pid namespaces.
userns: Convert bsd process accounting to use kuid and kgid where appropriate
userns: Convert process event connector to handle kuids and kgids
userns: Convert debugfs to use kuid/kgid where appropriate.
userns: Teach trace to use from_kuid
userns: Convert drm to use kuid and kgid and struct pid where appropriate
userns: Add basic quota support
userns: Convert vfs posix_acl support to use kuid and kgid where appripriate.
userns: Convert configfs to use kuid and kgid where appropriate

drivers/connector/cn_proc.c | 18 +++-
drivers/gpu/drm/drm_fops.c | 3 +-
drivers/gpu/drm/drm_info.c | 5 +-
drivers/gpu/drm/drm_ioctl.c | 4 +-
drivers/tty/tty_audit.c | 16 ++--
fs/9p/acl.c | 8 +-
fs/btrfs/acl.c | 8 +-
fs/configfs/inode.c | 4 +-
fs/debugfs/inode.c | 26 +++--
fs/ext2/acl.c | 32 ++++--
fs/ext3/acl.c | 32 ++++--
fs/ext4/acl.c | 31 ++++--
fs/generic_acl.c | 4 +-
fs/gfs2/acl.c | 14 ++--
fs/gfs2/quota.c | 44 +++++---
fs/jffs2/acl.c | 4 +-
fs/jfs/acl.c | 4 +-
fs/jfs/xattr.c | 4 +-
fs/nfs/nfs3acl.c | 4 +-
fs/nfsd/vfs.c | 8 +-
fs/ocfs2/acl.c | 4 +-
fs/ocfs2/file.c | 6 +-
fs/ocfs2/quota_global.c | 34 +++++--
fs/ocfs2/quota_local.c | 12 ++-
fs/posix_acl.c | 30 +++---
fs/proc/base.c | 12 ++-
fs/quota/dquot.c | 43 ++++----
fs/quota/netlink.c | 11 ++-
fs/quota/quota.c | 44 +++++---
fs/quota/quota_tree.c | 20 +++-
fs/quota/quota_v1.c | 8 +-
fs/quota/quota_v2.c | 14 ++-
drivers/connector/cn_proc.c | 18 +++-
drivers/gpu/drm/drm_fops.c | 3 +-
drivers/gpu/drm/drm_info.c | 5 +-
drivers/gpu/drm/drm_ioctl.c | 4 +-
drivers/tty/tty_audit.c | 16 ++--
fs/9p/acl.c | 8 +-
fs/btrfs/acl.c | 8 +-
fs/configfs/inode.c | 4 +-
fs/debugfs/inode.c | 26 +++--
fs/ext2/acl.c | 32 ++++--
fs/ext3/acl.c | 32 ++++--
fs/ext4/acl.c | 31 ++++--
fs/generic_acl.c | 4 +-
fs/gfs2/acl.c | 14 ++--
fs/gfs2/quota.c | 44 +++++---
fs/jffs2/acl.c | 4 +-
fs/jfs/acl.c | 4 +-
fs/jfs/xattr.c | 4 +-
fs/nfs/nfs3acl.c | 4 +-
fs/nfsd/vfs.c | 8 +-
fs/ocfs2/acl.c | 4 +-
fs/ocfs2/file.c | 6 +-
fs/ocfs2/quota_global.c | 34 +++++--
fs/ocfs2/quota_local.c | 12 ++-
fs/posix_acl.c | 30 +++---
fs/proc/base.c | 12 ++-
fs/quota/dquot.c | 43 ++++----
fs/quota/netlink.c | 11 ++-
fs/quota/quota.c | 44 +++++---
fs/quota/quota_tree.c | 20 +++-
fs/quota/quota_v1.c | 8 +-
fs/quota/quota_v2.c | 14 ++-
fs/reiserfs/xattr_acl.c | 4 +-
fs/xattr.c | 7 ++
fs/xattr_acl.c | 96 +++++++++++++++--
fs/xfs/xfs_acl.c | 4 +-
fs/xfs/xfs_quotaops.c | 18 ++--
fs/xfs/xfs_trans_dquot.c | 8 +-
include/drm/drmP.h | 4 +-
include/linux/audit.h | 12 ++-
include/linux/init_task.h | 2 +-
include/linux/ipc.h | 9 +-
include/linux/key.h | 9 +-
include/linux/posix_acl.h | 8 ++-
include/linux/posix_acl_xattr.h | 18 +++-
include/linux/quota.h | 91 +++++++++++++++-
include/linux/quotaops.h | 18 +++-
include/linux/sched.h | 2 +-
include/linux/tsacct_kern.h | 8 +-
include/linux/tty.h | 4 +-
include/net/netlabel.h | 2 +-
include/net/xfrm.h | 23 ++--
init/Kconfig | 18 ---
ipc/msg.c | 14 ++-
ipc/sem.c | 13 ++-
ipc/shm.c | 19 ++--
ipc/util.c | 35 ++++---
ipc/util.h | 2 +-
kernel/acct.c | 4 +-
kernel/audit.c | 42 +++++---
kernel/audit.h | 4 +-
kernel/audit_watch.c | 2 +-
kernel/auditfilter.c | 142 +++++++++++++++++++++----
kernel/auditsc.c | 214 +++++++++++++++++++------------------
kernel/cred.c | 10 ++-
kernel/taskstats.c | 23 +++-
kernel/trace/trace.c | 3 +-
kernel/trace/trace.h | 2 +-
kernel/tsacct.c | 12 ++-
net/core/dev.c | 2 +-
net/dns_resolver/dns_key.c | 3 +-
net/netlabel/netlabel_unlabeled.c | 2 +-
net/netlabel/netlabel_user.c | 2 +-
net/rxrpc/ar-key.c | 6 +-
net/xfrm/xfrm_policy.c | 8 +-
net/xfrm/xfrm_state.c | 6 +-
net/xfrm/xfrm_user.c | 12 +-
security/keys/internal.h | 6 +-
security/keys/key.c | 23 ++---
security/keys/keyctl.c | 50 +++++----
security/keys/keyring.c | 4 +-
security/keys/permission.c | 14 +--
security/keys/proc.c | 44 ++++----
security/keys/process_keys.c | 15 ++--
security/keys/request_key.c | 6 +-
85 files changed, 1056 insertions(+), 564 deletions(-)


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