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Eric W. Biederman 7a472ef4be vfs: Only support slave subtrees across different user namespaces

Sharing mount subtress with mount namespaces created by unprivileged
users allows unprivileged mounts created by unprivileged users to
propagate to mount namespaces controlled by privileged users.

Prevent nasty consequences by changing shared subtrees to slave
subtress when an unprivileged users creates a new mount namespace.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

2012-11-19 05:59:20 -08:00

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Merge tag 'for-linus-merge-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

2012-10-12 09:59:23 +09:00

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userns: Support autofs4 interacing with multiple user namespaces

2012-11-14 22:05:32 -08:00

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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

2012-10-26 09:34:04 -07:00

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tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking

2012-10-09 23:33:55 -04:00

Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

2012-10-14 13:39:34 -07:00

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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2012-10-12 10:52:03 +09:00

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ext2: fix return values on parse_options() failure

2012-10-09 23:23:53 +02:00

Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2012-10-16 18:12:38 -07:00

Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

2012-10-23 08:48:26 +03:00

fat: drop lock/unlock super

2012-10-09 23:33:38 -04:00

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userns: Support fuse interacting with multiple user namespaces

2012-11-14 22:05:33 -08:00

tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking

2012-10-09 23:33:55 -04:00

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Merge branch 'for-linus-37rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

2012-10-10 11:15:20 +09:00

hpfs: drop lock/unlock super

2012-10-09 23:33:38 -04:00

pidns: Use task_active_pid_ns where appropriate

2012-11-19 05:59:09 -08:00

mm: replace vma prio_tree with an interval tree

2012-10-09 16:22:39 +09:00

tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking

2012-10-09 23:33:55 -04:00

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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

2012-10-08 06:36:39 +09:00

Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers

2012-10-09 15:04:25 +01:00

jfs: Fix FITRIM argument handling

2012-10-17 09:18:38 -05:00

LOCKD: Clear ln->nsm_clnt only when ln->nsm_users is zero

2012-10-24 10:46:22 -04:00

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NFSv4: Fix the return value for nfs_callback_start_svc

2012-10-16 13:14:42 -04:00

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nfs: disintegrate UAPI for nfs

2012-10-09 18:35:22 -04:00

mm: kill vma flag VM_CAN_NONLINEAR

2012-10-09 16:22:17 +09:00

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mm: kill vma flag VM_CAN_NONLINEAR

2012-10-09 16:22:17 +09:00

omfs: convert to use beXX_add_cpu()

2012-10-06 03:05:31 +09:00

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vfs: Add setns support for the mount namespace

2012-11-19 05:59:18 -08:00

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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2012-10-16 18:12:38 -07:00

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tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking

2012-10-09 23:33:55 -04:00

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sysfs: sysfs_pathname/sysfs_add_one: Use strlcat() instead of strcat()

2012-10-24 15:57:14 -07:00

sysv: drop lock/unlock super

2012-10-09 23:33:39 -04:00

mm: kill vma flag VM_CAN_NONLINEAR

2012-10-09 16:22:17 +09:00

Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2012-10-04 09:14:01 -07:00

ufs: drop lock/unlock super

2012-10-09 23:33:39 -04:00

tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking

2012-10-09 23:33:55 -04:00

aio.c

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anon_inodes.c

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attr.c

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bad_inode.c

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binfmt_aout.c

coredump: pass siginfo_t* to do_coredump() and below, not merely signr

2012-10-06 03:05:16 +09:00

binfmt_elf_fdpic.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal

2012-10-10 12:02:25 +09:00

binfmt_elf.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal

2012-10-10 12:02:25 +09:00

binfmt_em86.c

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binfmt_flat.c

coredump: pass siginfo_t* to do_coredump() and below, not merely signr

2012-10-06 03:05:16 +09:00

binfmt_misc.c

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binfmt_script.c

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binfmt_som.c

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bio-integrity.c

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bio.c

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block_dev.c

Lock splice_read and splice_write functions

2012-10-28 10:59:37 -07:00

buffer.c

Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

2012-10-08 06:36:39 +09:00

char_dev.c

char_dev: pin parent kobject

2012-10-22 08:50:37 +03:00

compat_binfmt_elf.c

coredump: extend core dump note section to contain file names of mapped files

2012-10-06 03:05:17 +09:00

compat_ioctl.c

fs/compat_ioctl.c: VIDEO_SET_SPU_PALETTE missing error check

2012-10-25 14:37:53 -07:00

compat.c

vfs: define struct filename and have getname() return it

2012-10-12 20:14:55 -04:00

coredump.c

fix a leak in replace_fd() users

2012-10-16 13:36:50 -04:00

coredump.h

coredump: update coredump-related headers

2012-10-06 03:05:15 +09:00

dcache.c

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dcookies.c

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direct-io.c

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drop_caches.c

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eventfd.c

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eventpoll.c

epoll: support for disabling items, and a self-test app

2012-10-06 03:05:00 +09:00

exec.c

freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD

2012-10-25 22:28:12 +02:00

fcntl.c

Fix F_DUPFD_CLOEXEC breakage

2012-10-09 15:52:31 +09:00

fhandle.c

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fifo.c

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file_table.c

lglock: add DEFINE_STATIC_LGLOCK()

2012-10-10 01:15:44 -04:00

file.c

dup3: Return an error when oldfd == newfd.

2012-10-09 23:33:38 -04:00

filesystems.c

vfs: define struct filename and have getname() return it

2012-10-12 20:14:55 -04:00

fs_struct.c

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fs-writeback.c

Merge branch 'writeback-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux

2012-10-12 10:46:03 +09:00

generic_acl.c

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inode.c

mm: replace vma prio_tree with an interval tree

2012-10-09 16:22:39 +09:00

internal.h

vfs: make path_openat take a struct filename pointer

2012-10-12 20:15:09 -04:00

ioctl.c

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ioprio.c

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Kconfig

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Kconfig.binfmt

coredump: make core dump functionality optional

2012-10-06 03:05:15 +09:00

libfs.c

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locks.c

nfs: disintegrate UAPI for nfs

2012-10-09 18:35:22 -04:00

Makefile

coredump: make core dump functionality optional

2012-10-06 03:05:15 +09:00

mbcache.c

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mount.h

vfs: Add a user namespace reference from struct mnt_namespace

2012-11-19 05:59:19 -08:00

mpage.c

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namei.c

VFS: don't do protected {sym,hard}links by default

2012-10-26 10:05:07 -07:00

namespace.c

vfs: Only support slave subtrees across different user namespaces

2012-11-19 05:59:20 -08:00

no-block.c

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open.c

vfs: Allow chroot if you have CAP_SYS_CHROOT in your user namespace

2012-11-19 05:59:17 -08:00

pipe.c

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pnode.c

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pnode.h

vfs: Only support slave subtrees across different user namespaces

2012-11-19 05:59:20 -08:00

posix_acl.c

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proc_namespace.c

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read_write.c

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read_write.h

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readdir.c

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select.c

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seq_file.c

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signalfd.c

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splice.c

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stack.c

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stat.c

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statfs.c

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super.c

vfs: drop lock/unlock super

2012-10-09 23:33:39 -04:00

sync.c

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timerfd.c

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utimes.c

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xattr_acl.c

userns: Fix posix_acl_file_xattr_userns gid conversion

2012-10-12 13:16:48 -07:00

xattr.c

fs, xattr: fix bug when removing a name not in xattr list

2012-10-18 12:35:58 -07:00