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* Merge branch 'for-linus' of ↵Linus Torvalds2012-10-02245-1307/+2474
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull user namespace changes from Eric Biederman: "This is a mostly modest set of changes to enable basic user namespace support. This allows the code to code to compile with user namespaces enabled and removes the assumption there is only the initial user namespace. Everything is converted except for the most complex of the filesystems: autofs4, 9p, afs, ceph, cifs, coda, fuse, gfs2, ncpfs, nfs, ocfs2 and xfs as those patches need a bit more review. The strategy is to push kuid_t and kgid_t values are far down into subsystems and filesystems as reasonable. Leaving the make_kuid and from_kuid operations to happen at the edge of userspace, as the values come off the disk, and as the values come in from the network. Letting compile type incompatible compile errors (present when user namespaces are enabled) guide me to find the issues. The most tricky areas have been the places where we had an implicit union of uid and gid values and were storing them in an unsigned int. Those places were converted into explicit unions. I made certain to handle those places with simple trivial patches. Out of that work I discovered we have generic interfaces for storing quota by projid. I had never heard of the project identifiers before. Adding full user namespace support for project identifiers accounts for most of the code size growth in my git tree. Ultimately there will be work to relax privlige checks from "capable(FOO)" to "ns_capable(user_ns, FOO)" where it is safe allowing root in a user names to do those things that today we only forbid to non-root users because it will confuse suid root applications. While I was pushing kuid_t and kgid_t changes deep into the audit code I made a few other cleanups. I capitalized on the fact we process netlink messages in the context of the message sender. I removed usage of NETLINK_CRED, and started directly using current->tty. Some of these patches have also made it into maintainer trees, with no problems from identical code from different trees showing up in linux-next. After reading through all of this code I feel like I might be able to win a game of kernel trivial pursuit." Fix up some fairly trivial conflicts in netfilter uid/git logging code. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (107 commits) userns: Convert the ufs filesystem to use kuid/kgid where appropriate userns: Convert the udf filesystem to use kuid/kgid where appropriate userns: Convert ubifs to use kuid/kgid userns: Convert squashfs to use kuid/kgid where appropriate userns: Convert reiserfs to use kuid and kgid where appropriate userns: Convert jfs to use kuid/kgid where appropriate userns: Convert jffs2 to use kuid and kgid where appropriate userns: Convert hpfs to use kuid and kgid where appropriate userns: Convert btrfs to use kuid/kgid where appropriate userns: Convert bfs to use kuid/kgid where appropriate userns: Convert affs to use kuid/kgid wherwe appropriate userns: On alpha modify linux_to_osf_stat to use convert from kuids and kgids userns: On ia64 deal with current_uid and current_gid being kuid and kgid userns: On ppc convert current_uid from a kuid before printing. userns: Convert s390 getting uid and gid system calls to use kuid and kgid userns: Convert s390 hypfs to use kuid and kgid where appropriate userns: Convert binder ipc to use kuids userns: Teach security_path_chown to take kuids and kgids userns: Add user namespace support to IMA userns: Convert EVM to deal with kuids and kgids in it's hmac computation ...
| * userns: Convert the ufs filesystem to use kuid/kgid where appropriateEric W. Biederman2012-09-212-9/+8
| | | | | | | | | | | | Cc: Evgeniy Dushistov <dushistov@mail.ru> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert the udf filesystem to use kuid/kgid where appropriateEric W. Biederman2012-09-214-17/+20
| | | | | | | | | | Cc: Jan Kara <jack@suse.cz> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert ubifs to use kuid/kgidEric W. Biederman2012-09-217-13/+12
| | | | | | | | | | | | | | Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert squashfs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-3/+6
| | | | | | | | | | | | Cc: Phillip Lougher <phillip@squashfs.org.uk> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert reiserfs to use kuid and kgid where appropriateEric W. Biederman2012-09-213-17/+30
| | | | | | | | | | Cc: reiserfs-devel@vger.kernel.org Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert jfs to use kuid/kgid where appropriateEric W. Biederman2012-09-215-24/+33
| | | | | | | | | | Cc: Dave Kleikamp <shaggy@kernel.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert jffs2 to use kuid and kgid where appropriateEric W. Biederman2012-09-215-24/+39
| | | | | | | | | | | | | | | | | | | | | | - General routine uid/gid conversion work - When storing posix acls treat ACL_USER and ACL_GROUP separately so I can call from_kuid or from_kgid as appropriate. - When reading posix acls treat ACL_USER and ACL_GROUP separately so I can call make_kuid or make_kgid as appropriate. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert hpfs to use kuid and kgid where appropriateEric W. Biederman2012-09-215-22/+28
| | | | | | | | | | | | Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert btrfs to use kuid/kgid where appropriateEric W. Biederman2012-09-214-12/+11
| | | | | | | | | | | | Cc: Chris Mason <chris.mason@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert bfs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-5/+4
| | | | | | | | | | | | Cc: "Tigran A. Aivazian" <tigran@aivazian.fsnet.co.uk> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert affs to use kuid/kgid wherwe appropriateEric W. Biederman2012-09-214-20/+23
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: On alpha modify linux_to_osf_stat to use convert from kuids and kgidsEric W. Biederman2012-09-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Silencing build errors and potentially allowing people to use osf system calls in from processes running in a non-default user namespace. It seems this stat call was missed in my first round of converting the stat system calls, bother. Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| * userns: On ia64 deal with current_uid and current_gid being kuid and kgidEric W. Biederman2012-09-213-19/+20
| | | | | | | | | | | | | | | | | | | | These ia64 uses of current_uid and current_gid slipped through the cracks when I was converting everything to kuids and kgids convert them now. Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| * userns: On ppc convert current_uid from a kuid before printing.Eric W. Biederman2012-09-211-1/+1
| | | | | | | | | | | | Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| * userns: Convert s390 getting uid and gid system calls to use kuid and kgidEric W. Biederman2012-09-211-12/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert getresuid, getresgid, getuid, geteuid, getgid, getegid Convert struct cred kuids and kgids into userspace uids and gids when returning them. These s390 system calls slipped through the cracks in my first round of converstions :( Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert s390 hypfs to use kuid and kgid where appropriateEric W. Biederman2012-09-211-6/+14
| | | | | | | | | | | | Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| * userns: Convert binder ipc to use kuidsEric W. Biederman2012-09-212-10/+7
| | | | | | | | | | | | | | Cc: Arve Hjønnevåg <arve@android.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Teach security_path_chown to take kuids and kgidsEric W. Biederman2012-09-216-12/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't make the security modules deal with raw user space uid and gids instead pass in a kuid_t and a kgid_t so that security modules only have to deal with internal kernel uids and gids. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: James Morris <james.l.morris@oracle.com> Cc: John Johansen <john.johansen@canonical.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Add user namespace support to IMAEric W. Biederman2012-09-213-13/+10
| | | | | | | | | | | | | | | | | | | | | | Use kuid's in the IMA rules. When reporting the current uid in audit logs use from_kuid to get a usable value. Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert EVM to deal with kuids and kgids in it's hmac computationEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert hostfs to use kuid and kgid where appropriateEric W. Biederman2012-09-212-6/+4
| | | | | | | | | | | | | | Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert selinux to use kuid and kgid where appropriateEric W. Biederman2012-09-212-4/+4
| | | | | | | | | | | | | | Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <james.l.morris@oracle.com> Cc: Eric Paris <eparis@parisplace.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| * userns: Convert tomoyo to use kuid and kgid where appropriateEric W. Biederman2012-09-215-23/+31
| | | | | | | | | | | | Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert apparmor to use kuid and kgid where appropriateEric W. Biederman2012-09-215-11/+12
| | | | | | | | | | | | Cc: John Johansen <john.johansen@canonical.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert loop to use kuid_t instead of uid_tEric W. Biederman2012-09-213-4/+3
| | | | | | | | | | | | Cc: Jens Axboe <jaxboe@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert ipathfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GIDEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert freevxfs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert the sysv filesystem to use kuid/kgid where appropriateEric W. Biederman2012-09-212-5/+4
| | | | | | | | | | | | Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert the qnx6 filesystem to use kuid/kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | Cc: Kai Bankett <chaosman@ontika.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert the qnx4 filesystem to use kuid/kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | Acked-by: Anders Larsen <al@alarsen.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert omfs to use kuid and kgid where appropriateEric W. Biederman2012-09-213-5/+8
| | | | | | | | | | | | Acked-by: Bob Copeland <me@bobcopeland.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert ntfs to use kuid and kgid where appropriateEric W. Biederman2012-09-214-13/+39
| | | | | | | | | | | | Cc: Anton Altaparmakov <anton@tuxera.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert nillfs2 to use kuid/kgid where appropriateEric W. Biederman2012-09-212-5/+4
| | | | | | | | | | | | Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert minix to use kuid/kgid where appropriateEric W. Biederman2012-09-212-9/+8
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert logfs to use kuid/kgid where appropriateEric W. Biederman2012-09-213-7/+6
| | | | | | | | | | | | | | Cc: Joern Engel <joern@logfs.org> Cc: Prasad Joshi <prasadjoshi.linux@gmail.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert isofs to use kuid/kgid where appropriateEric W. Biederman2012-09-214-11/+15
| | | | | | | | Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert hfsplus to use kuid and kgid where appropriateEric W. Biederman2012-09-215-12/+20
| | | | | | | | Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert hfs to use kuid and kgid where appropriateEric W. Biederman2012-09-214-8/+17
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert exofs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-5/+4
| | | | | | | | | | | | | | Cc: Benny Halevy <bhalevy@tonian.com> Acked-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert efs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert ecryptfs to use kuid/kgid where appropriateEric W. Biederman2012-09-213-6/+5
| | | | | | | | | | | | | | Cc: Tyler Hicks <tyhicks@canonical.com> Cc: Dustin Kirkland <dustin.kirkland@gazzang.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert cramfs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert befs to use kuid/kgid where appropriateEric W. Biederman2012-09-213-11/+21
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert adfs to use kuid and kgid where appropriateEric W. Biederman2012-09-214-13/+17
| | | | | | | | | | Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert xenfs to use kuid and kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | | | Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert hugetlbfs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-6/+11
| | | | | | | | | | | | | | | | | | | | Note sysctl_hugetlb_shm_group can only be written in the root user in the initial user namespace, so we can assume sysctl_hugetlb_shm_group is in the initial user namespace. Cc: William Irwin <wli@holomorphy.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert devtmpfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GIDEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert usb functionfs to use kuid/kgid where appropriateEric W. Biederman2012-09-212-8/+16
| | | | | | | | | | | | | | Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| * userns: Convert gadgetfs to use kuid and kgid where appropriateEric W. Biederman2012-09-212-3/+2
| | | | | | | | | | | | | | Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
generated by cgit (git 2.34.1) at 2025-02-26 18:29:02 +0000