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Miklos Szeredi 521484639e ovl: fix race in private xattr checks 
Xattr operations can race with copy up.  This does not matter as long as
we consistently fiter out "trunsted.overlay.opaque" attribute on upper
directories.

Previously we checked parent against OVL_PATH_MERGE.  This is too general,
and prone to race with copy-up.  I.e. we found the parent to be on the
lower layer but ovl_dentry_real() would return the copied-up dentry,
possibly with the "opaque" attribute.

So instead use ovl_path_real() and decide to filter the attributes based on
the actual type of the dentry we'll use.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-11-20 16:40:00 +01:00
..
9p
9p: switch to %p[dD]
2014-10-09 02:39:04 -04:00
adfs
adfs: add __printf verification, fix format/argument mismatches
2014-08-08 15:57:24 -07:00
affs
fs/affs: remove redundant sys_tz declarations
2014-10-14 02:18:22 +02:00
afs
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-10-13 16:23:15 +02:00
autofs4
autofs4: d_manage() should return -EISDIR when appropriate in rcu-walk mode.
2014-10-14 02:18:16 +02:00
befs
fs/befs/btree.c: remove typedef befs_btree_node
2014-10-14 02:18:20 +02:00
bfs
fs/bfs: use bfs prefix for dump_imap
2014-08-08 15:57:24 -07:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2014-11-09 14:30:24 -08:00
cachefiles
FS-Cache fixes
2014-10-14 08:40:15 +02:00
ceph
ceph: fix flush tid comparision
2014-11-13 22:19:05 +03:00
cifs
[CIFS] Remove obsolete comment
2014-10-17 17:17:12 -05:00
coda
fs/coda: use linux/uaccess.h
2014-08-08 15:57:20 -07:00
configfs
fs/configfs: use pr_fmt
2014-06-04 16:53:53 -07:00
cramfs
fs/cramfs/inode.c: use linux/uaccess.h
2014-08-08 15:57:25 -07:00
debugfs
fs: debugfs: remove trailing whitespace
2014-07-09 16:58:21 -07:00
devpts
fs/devpts/inode.c: convert printk to pr_foo()
2014-06-06 16:08:14 -07:00
dlm
dlm: fix missing endian conversion of rcom_status flags
2014-10-14 15:11:48 -05:00
ecryptfs
fs: limit filesystem stacking depth
2014-10-24 00:14:39 +02:00
efivarfs
fs/efivarfs/super.c: use static const for dentry_operations
2014-06-04 16:54:14 -07:00
efs
fs/efs/namei.c: return is not a function
2014-08-08 15:57:18 -07:00
exofs
Boaz Harrosh - Fix broken email address
2014-10-19 20:22:32 +03:00
exportfs
fs/exportfs/expfs.c: kernel-doc warning fixes
2014-06-04 16:54:14 -07:00
ext2
percpu_counter: add @gfp to percpu_counter_init()
2014-09-08 09:51:29 +09:00
ext3
ext3: Don't check quota format when there are no quota files
2014-10-22 09:02:48 +02:00
ext4
ext4: make ext4_ext_convert_to_initialized() return proper number of blocks
2014-10-30 10:53:17 -04:00
f2fs
f2fs: support volatile operations for transient data
2014-10-07 11:54:41 -07:00
fat
fat: remove redundant sys_tz declaration
2014-10-14 02:18:20 +02:00
freevxfs
…
fscache
fs/fscache/object-list.c: use __seq_open_private()
2014-10-13 17:52:21 +01:00
fuse
vfs: Make d_invalidate return void
2014-10-09 02:38:57 -04:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-10-13 11:28:42 +02:00
hfs
fs/hfs/hfs_fs.h: remove redundant sys_tz declaration
2014-10-14 02:18:20 +02:00
hfsplus
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
hostfs
hostfs: support rename flags
2014-08-07 14:40:09 -04:00
hpfs
fs/hpfs/dnode.c: fix suspect code indent
2014-08-08 15:57:22 -07:00
hppfs
…
hugetlbfs
fs/hugetlbfs/inode.c: remove null test before kfree
2014-06-04 16:54:11 -07:00
isofs
isofs: don't bother with ->d_op for normal case
2014-10-31 06:33:17 -04:00
jbd
fs, jbd: use a more generic hash function
2014-10-22 10:02:04 +02:00
jbd2
jbd2: use a better hash function for the revoke table
2014-10-30 10:53:17 -04:00
jffs2
[jffs2] kill wbuf_queued/wbuf_dwork_lock
2014-10-09 02:39:01 -04:00
jfs
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-10-13 16:23:15 +02:00
kernfs
vfs: Remove unnecessary calls of check_submounts_and_drop
2014-10-09 02:38:56 -04:00
lockd
File locking related changes for v3.18 (pile #1)
2014-10-11 13:21:34 -04:00
logfs
fs/logfs/readwrite.c: kernel-doc warning fixes
2014-08-06 18:01:12 -07:00
minix
minix zmap block counts calculation fix
2014-08-08 15:57:20 -07:00
ncpfs
fs/ncpfs/dir.c: remove redundant sys_tz declaration
2014-10-14 02:18:16 +02:00
nfs
NFS: Don't try to reclaim delegation open state if recovery failed
2014-11-12 17:19:04 -05:00
nfs_common
lockd: move lockd's grace period handling into its own module
2014-09-17 16:33:11 -04:00
nfsd
nfsd4: fix crash on unknown operation number
2014-10-23 13:39:51 -04:00
nilfs2
nilfs2: improve the performance of fdatasync()
2014-10-14 02:18:20 +02:00
nls
…
notify
fanotify: fix notification of groups with inode & mount marks
2014-11-13 16:17:06 -08:00
ntfs
NTFS: Bump version to 2.1.31.
2014-10-16 12:53:35 +01:00
ocfs2
fix breakage in o2net_send_tcp_msg()
2014-11-05 15:21:18 -05:00
omfs
FS/OMFS: block number sanity check during fill_super operation
2014-10-14 02:18:22 +02:00
openpromfs
…
overlayfs
ovl: fix race in private xattr checks
2014-11-20 16:40:00 +01:00
proc
mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared
2014-10-14 02:18:28 +02:00
pstore
pstore: Fix duplicate {console,ftrace}-efi entries
2014-10-15 13:51:33 -07:00
qnx4
…
qnx6
fs/qnx6: update debugging to current functions
2014-08-08 15:57:26 -07:00
quota
quota: Properly return errors from dquot_writeback_dquots()
2014-10-22 09:08:03 +02:00
ramfs
fs/ramfs/file-nommu.c: replace count*size kzalloc by kcalloc
2014-08-08 15:57:18 -07:00
reiserfs
fs/reiserfs/journal.c: fix sparse context imbalance warning
2014-10-14 02:18:20 +02:00
romfs
fs/romfs/super.c: add blank line after declarations
2014-08-08 15:57:25 -07:00
squashfs
fs/squashfs/super.c: logging cleanup
2014-08-06 18:01:13 -07:00
sysfs
kernfs: move the last knowledge of sysfs out from kernfs
2014-06-03 08:11:18 -07:00
sysv
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
ubifs
UBIFS: Fix trivial typo in power_cut_emulated()
2014-09-30 09:29:44 +03:00
udf
udf: Fix loading of special inodes
2014-10-09 13:06:14 +02:00
ufs
fs/ufs/balloc.c: remove unused variable
2014-10-14 02:18:20 +02:00
xfs
xfs: track bulkstat progress by agino
2014-11-07 08:33:52 +11:00
aio.c
percpu_ref: add PERCPU_REF_INIT_* flags
2014-09-24 13:31:50 -04:00
anon_inodes.c
…
attr.c
fs,userns: Change inode_capable to capable_wrt_inode_uidgid
2014-06-10 13:57:22 -07:00
bad_inode.c
bad_inode: add ->rename2()
2014-08-07 14:40:09 -04:00
binfmt_aout.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
binfmt_elf_fdpic.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
binfmt_elf.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make old_reloc() static
2014-06-04 16:54:21 -07:00
binfmt_misc.c
binfmt_misc: work around gcc-4.9 warning
2014-10-14 02:18:16 +02:00
binfmt_script.c
…
binfmt_som.c
…
block_dev.c
Return short read or 0 at end of a raw device, not EIO
2014-10-31 06:33:26 -04:00
buffer.c
fs: clarify rate limit suppressed buffer I/O errors
2014-10-21 13:55:11 -06:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
Bluetooth: Move HCI socket definitions into its own header file
2014-07-11 13:53:04 +03:00
compat.c
vfs: move getname() from callers to do_mount()
2014-10-09 02:39:16 -04:00
coredump.c
coredump: add %i/%I in core_pattern to report the tid of the crashed thread
2014-10-14 02:18:21 +02:00
dcache.c
fix inode leaks on d_splice_alias() failure exits
2014-10-23 22:30:18 -04:00
dcookies.c
…
direct-io.c
fuse: honour max_read and max_write in direct_io mode
2014-09-26 21:16:51 -04:00
drop_caches.c
fs: convert use of typedef ctl_table to struct ctl_table
2014-06-06 16:08:16 -07:00
eventfd.c
…
eventpoll.c
eventpoll: fix uninitialized variable in epoll_ctl
2014-09-10 15:42:12 -07:00
exec.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
fcntl.c
security: make security_file_set_fowner, f_setown and __f_setown void return
2014-09-09 16:01:36 -04:00
fhandle.c
…
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-10-13 11:28:42 +02:00
file.c
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-10-13 15:44:12 +02:00
filesystems.c
…
fs_pin.c
make fs/{namespace,super}.c forget about acct.h
2014-08-07 14:40:09 -04:00
fs_struct.c
…
fs-writeback.c
sched: Remove proliferation of wait_on_bit() action functions
2014-07-16 15:10:39 +02:00
inode.c
mm: allow drivers to prevent new writable mappings
2014-08-08 15:57:31 -07:00
internal.h
vfs: export __inode_permission() to modules
2014-10-24 00:14:35 +02:00
ioctl.c
…
Kconfig
overlay filesystem
2014-10-24 00:14:38 +02:00
Kconfig.binfmt
…
libfs.c
locks: plumb a "priv" pointer into the setlease routines
2014-10-07 14:06:12 -04:00
locks.c
locks: flock_make_lock should return a struct file_lock (or PTR_ERR)
2014-10-07 14:06:13 -04:00
Makefile
ovl: rename filesystem type to "overlay"
2014-11-20 16:39:59 +01:00
mbcache.c
fs/mbcache: replace __builtin_log2() with ilog2()
2014-06-25 22:08:29 -04:00
mount.h
vfs: Add a function to lazily unmount all mounts from any dentry.
2014-10-09 02:38:55 -04:00
mpage.c
vfs: guard end of device for mpage interface
2014-10-09 22:25:53 -04:00
namei.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-11-02 10:28:43 -08:00
namespace.c
vfs: introduce clone_private_mount()
2014-10-24 00:14:36 +02:00
no-block.c
…
open.c
vfs: add i_op->dentry_open()
2014-10-24 00:14:35 +02:00
pipe.c
new helper: copy_page_from_iter()
2014-05-06 17:39:42 -04:00
pnode.c
get rid of propagate_umount() mistakenly treating slaves as busy.
2014-08-30 18:31:41 -04:00
pnode.h
…
posix_acl.c
…
proc_namespace.c
namespaces: Use task_lock and not rcu to protect nsproxy
2014-07-29 18:08:50 -07:00
read_write.c
cachefiles_write_page(): switch to __kernel_write()
2014-10-09 02:39:05 -04:00
readdir.c
fanotify: create FAN_ACCESS event for readdir
2014-06-04 16:53:52 -07:00
select.c
…
seq_file.c
fs/seq_file: fallback to vmalloc allocation
2014-07-03 09:21:54 -07:00
signalfd.c
…
splice.c
vfs: export do_splice_direct() to modules
2014-10-24 00:14:35 +02:00
stack.c
fs: fix comment for 'CONFIG_LBADF'
2014-08-26 09:35:56 +02:00
stat.c
…
statfs.c
…
super.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-10-13 11:28:42 +02:00
sync.c
Export sync_filesystem() for modular ->remount_fs() use
2014-09-05 08:16:21 -07:00
timerfd.c
timerfd: Remove an always true check
2014-08-27 11:17:48 +02:00
utimes.c
…
xattr.c
vfs: Deduplicate code shared by xattr system calls operating on paths
2014-10-12 17:09:10 -04:00