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Nick Piggin 90dbb77ba4 fs: fix dropping of rcu-walk from force_reval_path 
As J. R. Okajima noted, force_reval_path passes in the same dentry to
d_revalidate as the one in the nameidata structure (other callers pass in a
child), so the locking breaks. This can oops with a chrooted nfs mount, for
example. Similarly there can be other problems with revalidating a dentry
which is already in nameidata of the path walk.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-14 02:36:19 +00:00
..
9p
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
adfs
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
affs
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
afs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
autofs4
fs: rcu-walk aware d_revalidate method
2011-01-07 17:50:29 +11:00
befs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
bfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
btrfs
btrfs: provide simple rcu-walk ACL implementation
2011-01-07 17:50:30 +11:00
cachefiles
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
ceph
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
cifs
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
coda
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
configfs
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
cramfs
new helper: mount_bdev()
2010-10-29 04:16:13 -04:00
debugfs
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
devpts
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
dlm
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
2010-10-22 17:33:16 -07:00
ecryptfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
efs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
exofs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
exportfs
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
ext2
ext2,3,4: provide simple rcu-walk ACL implementation
2011-01-07 17:50:30 +11:00
ext3
ext2,3,4: provide simple rcu-walk ACL implementation
2011-01-07 17:50:30 +11:00
ext4
ext2,3,4: provide simple rcu-walk ACL implementation
2011-01-07 17:50:30 +11:00
fat
fs: rcu-walk aware d_revalidate method
2011-01-07 17:50:29 +11:00
freevxfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
fscache
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
fuse
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
gfs2
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
hfs
fs: rcu-walk aware d_revalidate method
2011-01-07 17:50:29 +11:00
hfsplus
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
hostfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
hpfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
hppfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
hugetlbfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
isofs
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
jbd
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
2010-10-27 20:13:18 -07:00
jbd2
jbd2: fix /proc/fs/jbd2/<dev> when using an external journal
2010-11-17 21:46:26 -05:00
jffs2
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
jfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
lockd
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
logfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
minix
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
ncpfs
fs: rcu-walk aware d_revalidate method
2011-01-07 17:50:29 +11:00
nfs
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
nfs_common
…
nfsd
fs: dcache scale dentry refcount
2011-01-07 17:50:21 +11:00
nilfs2
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
nls
…
notify
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
ntfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
ocfs2
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
omfs
new helper: mount_bdev()
2010-10-29 04:16:13 -04:00
openpromfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
partitions
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
2010-10-25 07:45:10 -07:00
proc
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
qnx4
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
quota
quota: Fix possible oops in __dquot_initialize()
2010-10-28 01:30:06 +02:00
ramfs
convert get_sb_nodev() users
2010-10-29 04:16:31 -04:00
reiserfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
romfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
squashfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
sysfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
sysv
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
ubifs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
udf
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
ufs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
xfs
xfs: provide simple rcu-walk ACL implementation
2011-01-07 17:50:30 +11:00
aio.c
new helper: ihold()
2010-10-25 21:26:11 -04:00
anon_inodes.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
attr.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
bad_inode.c
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
binfmt_aout.c
Don't dump task struct in a.out core-dumps
2010-10-14 10:57:40 -07:00
binfmt_elf_fdpic.c
…
binfmt_elf.c
ARM: 6342/1: fix ASLR of PIE executables
2010-10-08 10:02:53 +01:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
binfmt_script.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
binfmt_som.c
…
bio-integrity.c
fs/bio-integrity.c: return -ENOMEM on kmalloc failure
2010-08-23 13:36:59 +02:00
bio.c
bio: take care not overflow page count when mapping/copying user data
2010-11-10 14:40:43 +01:00
block_dev.c
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
buffer.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-10-26 17:58:44 -07:00
char_dev.c
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
compat.c
exec: copy-and-paste the fixes into compat_do_execve() paths
2010-11-30 17:56:38 -08:00
dcache.c
fs: implement faster dentry memcmp
2011-01-07 17:50:32 +11:00
dcookies.c
…
direct-io.c
fs/direct-io.c: fix truncation error in dio_complete() return
2010-10-26 16:52:13 -07:00
drop_caches.c
simplify checks for I_CLEAR/I_FREEING
2010-08-09 16:47:44 -04:00
eventfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
eventpoll.c
epoll: make epoll_wait() use the hrtimer range feature
2010-10-27 18:03:18 -07:00
exec.c
install_special_mapping skips security_file_mmap check.
2010-12-15 12:30:36 -08:00
fcntl.c
fasync: Fix placement of FASYNC flag comment
2010-10-27 18:17:02 -07:00
fifo.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
file_table.c
fs: allow for more than 2^31 files
2010-10-26 16:52:15 -07:00
file.c
vfs: use kmalloc() to allocate fdmem if possible
2010-08-11 08:59:02 -07:00
filesystems.c
fs: rcu-walk for path lookup
2011-01-07 17:50:27 +11:00
fs_struct.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
fs-writeback.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
2010-10-30 09:05:48 -07:00
generic_acl.c
fs: provide simple rcu-walk generic_check_acl implementation
2011-01-07 17:50:29 +11:00
inode.c
fs: avoid inode RCU freeing for pseudo fs
2011-01-07 17:50:26 +11:00
internal.h
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
ioctl.c
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2010-11-19 19:46:45 -08:00
ioprio.c
ioprio: grab rcu_read_lock in sys_ioprio_{set,get}()
2010-11-15 10:23:31 +01:00
Kconfig
Merge 'staging-next' to Linus's tree
2010-10-28 09:44:56 -07:00
Kconfig.binfmt
coredump: default CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
2010-10-27 18:03:12 -07:00
libfs.c
fs: dcache reduce branches in lookup path
2011-01-07 17:50:28 +11:00
locks.c
fs: dcache scale dentry refcount
2011-01-07 17:50:21 +11:00
Makefile
Merge 'staging-next' to Linus's tree
2010-10-28 09:44:56 -07:00
mbcache.c
mbcache: Limit the maximum number of cache entries
2010-08-18 06:24:41 -04:00
mpage.c
…
namei.c
fs: fix dropping of rcu-walk from force_reval_path
2011-01-14 02:36:19 +00:00
namespace.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
nfsctl.c
…
no-block.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
open.c
fix open/umount race
2010-10-29 04:14:56 -04:00
pipe.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
pnode.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
pnode.h
…
posix_acl.c
…
read_write.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
read_write.h
…
readdir.c
vfs: fix warning: 'dirent' is used uninitialized in this function
2010-08-09 20:45:05 -07:00
select.c
epoll: make epoll_wait() use the hrtimer range feature
2010-10-27 18:03:18 -07:00
seq_file.c
fs: take dcache_lock inside __d_path
2010-10-25 21:26:12 -04:00
signalfd.c
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
2010-10-26 10:13:10 -07:00
splice.c
Export 'get_pipe_info()' to other users
2010-11-28 14:09:57 -08:00
stack.c
…
stat.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
statfs.c
add f_flags to struct statfs(64)
2010-08-09 16:48:44 -04:00
super.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
sync.c
get rid of file_fsync()
2010-08-09 16:47:43 -04:00
timerfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
utimes.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
xattr_acl.c
…
xattr.c
…