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Eric W. Biederman d71ed6c930 mnt: fs_fully_visible test the proper mount for MNT_LOCKED 
MNT_LOCKED implies on a child mount implies the child is locked to the
parent.  So while looping through the children the children should be
tested (not their parent).

Typically an unshare of a mount namespace locks all mounts together
making both the parent and the slave as locked but there are a few
corner cases where other things work.

Cc: stable@vger.kernel.org
Fixes: ceeb0e5d39fc ("vfs: Ignore unlocked mounts in fs_fully_visible")
Reported-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2016-06-06 20:52:03 -05:00
..
9p
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
adfs
fs/adfs/adfs.h: tidy up comments
2016-01-20 17:09:18 -08:00
affs
affs: fix remount failure when there are no options changed
2016-05-28 16:50:24 -07:00
afs
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
autofs4
dcache_{readdir,dir_lseek}() users: switch to ->iterate_shared
2016-05-02 19:49:32 -04:00
befs
fs/befs/io.c:befs_bread(): remove unneeded initialization to NULL
2016-05-23 17:04:14 -07:00
bfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
btrfs
Merge branch 'for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2016-06-04 11:56:28 -07:00
cachefiles
FS-Cache: make check_consistency callback return int
2016-06-01 10:29:39 +02:00
ceph
ceph: use i_version to check validity of fscache
2016-06-01 10:32:14 +02:00
cifs
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
coda
introduce a parallel variant of ->iterate()
2016-05-02 19:49:29 -04:00
configfs
configfs_readdir(): make safe under shared lock
2016-05-09 11:41:13 -04:00
cramfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
crypto
fscrypto/f2fs: allow fs-specific key prefix for fs encryption
2016-05-07 10:32:33 -07:00
debugfs
Merge 4.6-rc4 into driver-core-next
2016-04-19 04:28:28 +09:00
devpts
devpts: Make each mount of devpts an independent filesystem.
2016-06-05 10:36:01 -07:00
dlm
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
ecryptfs
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
efivarfs
fs/efivarfs/inode.c: use generic UUID library
2016-05-20 17:58:30 -07:00
efs
fs/efs/super.c: fix return value
2016-05-20 17:58:30 -07:00
exofs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2016-05-17 17:05:30 -07:00
exportfs
introduce a parallel variant of ->iterate()
2016-05-02 19:49:29 -04:00
ext2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
ext4
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
f2fs
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
fat
Merge branch 'work.preadv2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-17 15:05:23 -07:00
freevxfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
fscache
FS-Cache: wake write waiter after invalidating writes
2016-06-01 10:29:09 +02:00
fuse
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
hfs
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
hfsplus
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
hostfs
hostfs: switch to ->iterate_shared()
2016-05-12 19:49:30 -04:00
hpfs
hpfs: implement the show_options method
2016-05-28 16:50:24 -07:00
hugetlbfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
isofs
Merge branch 'ovl-fixes' into for-linus
2016-05-11 00:00:29 -04:00
jbd2
Fix a number of bugs, most notably a potential stale data exposure
2016-05-24 12:55:26 -07:00
jffs2
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
jfs
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
kernfs
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
lockd
…
logfs
logfs: no need to lock directory in lseek
2016-05-09 11:42:19 -04:00
minix
simple local filesystems: switch to ->iterate_shared()
2016-05-02 19:49:32 -04:00
ncpfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
nfs
nfs: fix anonymous member initializer build failure with older compilers
2016-05-27 17:20:27 -07:00
nfs_common
…
nfsd
A very quiet cycle for nfsd, mainly just an RDMA update from Chuck Lever.
2016-05-24 14:39:20 -07:00
nilfs2
nilfs2: fix block comments
2016-05-23 17:04:14 -07:00
nls
…
notify
fsnotify: avoid spurious EMFILE errors from inotify_init()
2016-05-19 19:12:14 -07:00
ntfs
fs: simplify the generic_write_sync prototype
2016-05-01 19:58:39 -04:00
ocfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
omfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
openpromfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
orangefs
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
overlayfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
proc
mm, proc: make clear_refs killable
2016-05-23 17:04:14 -07:00
pstore
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
qnx4
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
qnx6
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
quota
fs/quota: use nla_put_u64_64bit()
2016-04-26 12:00:48 -04:00
ramfs
tmpfs/ramfs: fix VM_MAYSHARE mappings for NOMMU
2016-05-20 17:58:30 -07:00
reiserfs
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
romfs
romfs, squashfs: switch to ->iterate_shared()
2016-05-09 11:41:15 -04:00
squashfs
romfs, squashfs: switch to ->iterate_shared()
2016-05-09 11:41:15 -04:00
sysfs
…
sysv
simple local filesystems: switch to ->iterate_shared()
2016-05-02 19:49:32 -04:00
tracefs
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
ubifs
This pull request contains mostly cleanups and minor
2016-05-27 18:49:29 -07:00
udf
Merge branch 'work.preadv2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-17 15:05:23 -07:00
ufs
simple local filesystems: switch to ->iterate_shared()
2016-05-02 19:49:32 -04:00
xfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
aio.c
aio: make aio_setup_ring killable
2016-05-23 17:04:14 -07:00
anon_inodes.c
…
attr.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
bad_inode.c
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
binfmt_aout.c
fs: fix binfmt_aout.c build error
2016-05-28 16:34:59 -07:00
binfmt_elf_fdpic.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-18 11:51:59 -07:00
binfmt_elf.c
mm: remove more IS_ERR_VALUE abuses
2016-05-27 15:57:31 -07:00
binfmt_em86.c
…
binfmt_flat.c
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
binfmt_misc.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
binfmt_script.c
…
block_dev.c
DAX error handling for 4.7
2016-05-26 19:34:26 -07:00
buffer.c
mm, page_alloc: avoid looking up the first zone in a zonelist twice
2016-05-19 19:12:14 -07:00
char_dev.c
chrdev: emit a warning when we go below dynamic major range
2016-03-29 10:11:44 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge 4.5-rc4 into char-misc-next
2016-02-14 14:25:59 -08:00
compat.c
Fix a number of bugs, most notably a potential stale data exposure
2016-05-24 12:55:26 -07:00
coredump.c
coredump: make coredump_wait wait for mmap_sem for write killable
2016-05-23 17:04:14 -07:00
dax.c
Filesystem DAX locking for 4.7
2016-05-26 20:00:28 -07:00
dcache.c
Merge branch 'hash' of git://ftp.sciencehorizons.net/linux
2016-05-28 16:15:25 -07:00
dcookies.c
…
direct-io.c
direct-io: fix direct write stale data exposure from concurrent buffered read
2016-05-27 14:49:37 -07:00
drop_caches.c
…
eventfd.c
eventfd: document lockless access in eventfd_poll
2016-03-22 15:36:02 -07:00
eventpoll.c
fs: poll/select/recvmmsg: use timespec64 for timeout events
2016-05-19 19:12:14 -07:00
exec.c
exec: make exec path waiting for mmap_sem killable
2016-05-23 17:04:14 -07:00
fcntl.c
fcntl: allow to set O_DIRECT flag on pipe
2016-01-09 02:55:37 -05:00
fhandle.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-03-22 15:36:02 -07:00
file_table.c
…
file.c
give readdir(2)/getdents(2)/etc. uniform exclusion with lseek()
2016-05-02 19:49:28 -04:00
filesystems.c
find_filesystem(): simplify comparison
2016-01-19 12:02:23 -05:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
mm,writeback: don't use memory reserves for wb_start_writeback
2016-05-20 17:58:30 -07:00
inode.c
parallel lookups: actual switch to rwsem
2016-05-02 19:49:28 -04:00
internal.h
Merge branch 'for-linus' into work.misc
2016-01-08 21:20:11 -05:00
ioctl.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
Kconfig
dax: Make huge page handling depend of CONFIG_BROKEN
2016-05-19 15:13:17 -06:00
Kconfig.binfmt
ELF/MIPS build fix
2016-05-23 17:04:14 -07:00
libfs.c
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
locks.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
Makefile
Merge tag 'ofs-pull-tag-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
2016-03-26 12:59:04 -07:00
mbcache.c
mbcache: add reusable flag to cache entries
2016-02-22 22:44:04 -05:00
mount.h
…
mpage.c
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
namei.c
devpts: Make each mount of devpts an independent filesystem.
2016-06-05 10:36:01 -07:00
namespace.c
mnt: fs_fully_visible test the proper mount for MNT_LOCKED
2016-06-06 20:52:03 -05:00
no-block.c
…
nsfs.c
…
open.c
Merge branch 'work.const-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-17 14:41:03 -07:00
pipe.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
pnode.c
propogate_mnt: Handle the first propogated copy being a slave
2016-05-05 09:54:45 -05:00
pnode.h
…
posix_acl.c
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
proc_namespace.c
vfs: show_vfsstat: do not ignore errors from show_devname method
2016-03-16 13:09:08 -04:00
read_write.c
Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-18 11:46:23 -07:00
readdir.c
restore killability of old mutex_lock_killable(&inode->i_mutex) users
2016-05-26 00:13:25 -04:00
select.c
fs: poll/select/recvmmsg: use timespec64 for timeout events
2016-05-19 19:12:14 -07:00
seq_file.c
Make file credentials available to the seqfile interfaces
2016-04-14 12:56:09 -07:00
signalfd.c
…
splice.c
Merge branch 'ovl-fixes' into for-linus
2016-05-11 00:00:29 -04:00
stack.c
…
stat.c
fs/stat.c: drop the last new_valid_dev check
2016-01-16 11:17:23 -08:00
statfs.c
…
super.c
Merge branch 'master' into for-next
2016-04-18 11:18:55 +02:00
sync.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
timerfd.c
timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
2016-01-17 11:13:55 +01:00
userfaultfd.c
userfaultfd: don't pin the user memory in userfaultfd_file_create()
2016-05-20 17:58:30 -07:00
utimes.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
xattr.c
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00