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Mathias Krause dac853ae89 exec: delay address limit change until point of no return 
Unconditionally changing the address limit to USER_DS and not restoring
it to its old value in the error path is wrong because it prevents us
using kernel memory on repeated calls to this function.  This, in fact,
breaks the fallback of hard coded paths to the init program from being
ever successful if the first candidate fails to load.

With this patch applied switching to USER_DS is delayed until the point
of no return is reached which makes it possible to have a multi-arch
rootfs with one arch specific init binary for each of the (hard coded)
probed paths.

Since the address limit is already set to USER_DS when start_thread()
will be invoked, this redundancy can be safely removed.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-09 12:50:05 -07:00
..
9p
9p: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:53 -04:00
adfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
affs
affs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:53 -04:00
afs
afs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:53 -04:00
autofs4
autofs4: bogus dentry_unhash() added in ->unlink()
2011-05-30 01:50:53 -04:00
befs
Fix common misspellings
2011-03-31 11:26:23 -03:00
bfs
bfs: remove unnecessary dentry_unhash on dir rename
2011-05-28 01:02:50 -04:00
btrfs
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-06-07 18:36:59 -07:00
cachefiles
Fix common misspellings
2011-03-31 11:26:23 -03:00
ceph
ceph: remove unnecessary dentry_unhash calls
2011-05-26 07:26:53 -04:00
cifs
cifs: trivial: add space in fsc error message
2011-06-08 16:03:29 +00:00
coda
coda: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:53 -04:00
configfs
configfs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:54 -04:00
cramfs
cramfs: generate unique inode number for better inode cache usage
2011-01-13 08:03:23 -08:00
debugfs
debugfs: move to new strtobool
2011-05-19 16:55:28 +09:30
devpts
fs/devpts/inode.c: correctly check d_alloc_name() return code in devpts_pty_new()
2011-03-22 17:44:17 -07:00
dlm
Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
2011-05-26 13:19:00 -07:00
ecryptfs
eCryptfs: Remove ecryptfs_header_cache_2
2011-05-29 14:24:25 -05:00
efs
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
exofs
exofs: remove unnecessary dentry_unhash on rmdir/rename_dir
2011-05-26 07:26:57 -04:00
exportfs
vfs: Add open by file handle support
2011-03-15 02:21:44 -04:00
ext2
ext2: remove unnecessary dentry_unhash on rmdir/rename_dir
2011-05-26 07:26:56 -04:00
ext3
fs: pass exact type of data dirties to ->dirty_inode
2011-05-27 07:04:40 -04:00
ext4
fs: pass exact type of data dirties to ->dirty_inode
2011-05-27 07:04:40 -04:00
fat
fat: Fix corrupt inode flags when remove ATTR_SYS flag
2011-05-31 19:42:24 +09:00
freevxfs
treewide: fix a few typos in comments
2011-05-10 10:16:21 +02:00
fscache
fscache: remove dead code under CONFIG_WORKQUEUE_DEBUGFS
2011-05-25 08:39:44 -07:00
fuse
more conservative S_NOSEC handling
2011-06-03 18:24:58 -04:00
gfs2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
2011-06-07 18:44:10 -07:00
hfs
hfs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:52 -04:00
hfsplus
hfsplus: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:52 -04:00
hostfs
hostfs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:52 -04:00
hpfs
hpfs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:54 -04:00
hppfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
hugetlbfs
mm: don't access vm_flags as 'int'
2011-05-26 09:20:31 -07:00
isofs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
jbd
jbd: Fix comment to match the code in journal_start()
2011-05-24 00:27:53 +02:00
jbd2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2011-05-26 09:53:20 -07:00
jffs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-05-28 13:03:41 -07:00
jfs
lmLogOpen() broken failure exit
2011-06-07 08:50:59 -04:00
lockd
NLM: Fix "kernel BUG at fs/lockd/host.c:417!" or ".../host.c:283!"
2011-01-25 15:24:47 -05:00
logfs
logfs: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:51 -04:00
minix
minix: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:54 -04:00
ncpfs
ncpfs: fix rename over directory with dangling references
2011-05-28 01:02:53 -04:00
nfs
Merge branch 'pnfs-submit' of git://git.open-osd.org/linux-open-osd
2011-05-29 14:10:13 -07:00
nfs_common
Fix common misspellings
2011-03-31 11:26:23 -03:00
nfsd
Merge branch 'for-2.6.40' of git://linux-nfs.org/~bfields/linux
2011-05-29 11:21:12 -07:00
nilfs2
nilfs2: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:51 -04:00
nls
…
notify
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
ntfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
ocfs2
more conservative S_NOSEC handling
2011-06-03 18:24:58 -04:00
omfs
omfs: remove unnecessary dentry_unhash on rmdir, dir rneame
2011-05-28 01:02:52 -04:00
openpromfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
partitions
Revert "block: Remove extra discard_alignment from hd_struct."
2011-05-30 07:42:51 +02:00
proc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
2011-05-29 11:29:28 -07:00
pstore
pstore: fix pstore filesystem mount/remount issue
2011-05-16 11:05:00 -07:00
qnx4
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
quota
vmscan: change shrinker API by passing shrink_control struct
2011-05-25 08:39:26 -07:00
ramfs
ramfs: fix memleak on no-mmu arch
2011-04-14 16:06:56 -07:00
reiserfs
reiserfs: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:51 -04:00
romfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
squashfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus
2011-05-29 11:19:45 -07:00
sysfs
sysfs: remove "last sysfs file:" line from the oops messages
2011-05-13 16:05:51 -07:00
sysv
sysv: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:50 -04:00
ubifs
UBIFS: fix-up free space earlier
2011-06-03 18:12:31 +03:00
udf
udf: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:52 -04:00
ufs
ufs: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:51 -04:00
xfs
fs: pass exact type of data dirties to ->dirty_inode
2011-05-27 07:04:40 -04:00
aio.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
anon_inodes.c
sanitize vfsmount refcounting changes
2011-01-16 13:47:07 -05:00
attr.c
Cache xattr security drop check for write v2
2011-05-28 12:02:09 -04:00
bad_inode.c
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
brk: COMPAT_BRK: fix detection of randomized brk
2011-04-14 16:06:55 -07:00
binfmt_em86.c
…
binfmt_flat.c
CRED: Fix load_flat_shared_library() to initialise bprm correctly
2011-05-03 10:10:51 +10:00
binfmt_misc.c
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
block: Require subsystems to explicitly allocate bio_set integrity mempool
2011-03-17 11:11:05 +01:00
bio.c
block: improve the bio_add_page() and bio_add_pc_page() descriptions
2011-05-28 14:44:46 +02:00
block_dev.c
block: blkdev_get() should access ->bd_disk only after success
2011-06-01 08:28:47 +02:00
buffer.c
fs: block_page_mkwrite should wait for writeback to finish
2011-05-28 01:03:21 -04:00
char_dev.c
Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block
2011-01-13 10:45:01 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
2011-01-07 14:39:20 -08:00
compat.c
exec: unify do_execve/compat_do_execve code
2011-04-09 15:53:56 +02:00
dcache.c
vmscan: change shrinker API by passing shrink_control struct
2011-05-25 08:39:26 -07:00
dcookies.c
…
direct-io.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
drop_caches.c
vmscan: change shrinker API by passing shrink_control struct
2011-05-25 08:39:26 -07:00
eventfd.c
Docbook: add fs/eventfd.c and fix typos in it
2011-02-21 15:07:04 -08:00
eventpoll.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
exec.c
exec: delay address limit change until point of no return
2011-06-09 12:50:05 -07:00
fcntl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
fhandle.c
fs/fhandle.c: add <linux/personality.h> for ia64
2011-04-14 16:06:56 -07:00
fifo.c
Filesystem: fifo: Fixed coding style issue.
2011-03-21 00:16:09 -04:00
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-16 13:26:17 -07:00
file.c
vfs: avoid large kmalloc()s for the fdtable
2011-04-28 11:28:20 -07:00
filesystems.c
fs: synchronize_rcu when unregister_filesystem success not failure
2011-04-17 10:42:01 -07:00
fs_struct.c
sanitize vfsmount refcounting changes
2011-01-16 13:47:07 -05:00
fs-writeback.c
fs: pass exact type of data dirties to ->dirty_inode
2011-05-27 07:04:40 -04:00
generic_acl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
inode.c
fs: cosmetic inode.c cleanups
2011-05-27 09:43:00 -04:00
internal.h
fs: move i_wb_list out from under inode_lock
2011-03-24 21:17:51 -04:00
ioctl.c
vfs: cleanup do_vfs_ioctl()
2011-03-21 00:16:08 -04:00
ioprio.c
ioprio: grab rcu_read_lock in sys_ioprio_{set,get}()
2010-11-15 10:23:31 +01:00
Kconfig
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-05-26 09:52:14 -07:00
Kconfig.binfmt
…
libfs.c
libfs: drop unneeded dentry_unhash
2011-05-26 07:26:50 -04:00
locks.c
Merge branch 'for-2.6.39' of git://linux-nfs.org/~bfields/linux
2011-03-24 08:20:39 -07:00
Makefile
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
2011-03-16 19:01:29 -07:00
mbcache.c
vmscan: change shrinker API by passing shrink_control struct
2011-05-25 08:39:26 -07:00
mpage.c
mm/fs: add hooks to support cleancache
2011-05-26 10:01:43 -06:00
namei.c
vfs: make unlink() and rmdir() return ENOENT in preference to EROFS
2011-06-07 08:51:14 -04:00
namespace.c
fs/namespace.c: bound mount propagation fix
2011-05-26 07:26:44 -04:00
nfsctl.c
open-style analog of vfs_path_lookup()
2011-03-14 09:15:28 -04:00
no-block.c
…
open.c
fs: Use BUG_ON(!mnt) at dentry_open().
2011-03-21 01:10:41 -04:00
pipe.c
Fix broken "pipe: use event aware wakeups" optimization
2011-01-20 16:21:59 -08:00
pnode.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
pnode.h
…
posix_acl.c
NFS: Prevent memory allocation failure in nfsacl_encode()
2011-01-25 15:24:47 -05:00
read_write.c
fix signedness mess in rw_verify_area() on 64bit architectures
2011-01-12 20:06:58 -05:00
read_write.h
…
readdir.c
…
select.c
select: remove unused MAX_SELECT_SECONDS
2011-03-21 00:16:08 -04:00
seq_file.c
…
signalfd.c
…
splice.c
splice: add wakeup_pipe_readers()
2011-05-23 19:58:53 +02:00
stack.c
…
stat.c
readlinkat(), fchownat() and fstatat() with empty relative pathnames
2011-03-15 02:21:45 -04:00
statfs.c
clean statfs-like syscalls up
2011-03-14 09:15:28 -04:00
super.c
more conservative S_NOSEC handling
2011-06-03 18:24:58 -04:00
sync.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
timerfd.c
timerfd: Manage cancelable timers in timerfd
2011-05-23 13:59:53 +02:00
utimes.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
xattr_acl.c
…
xattr.c
Cache xattr security drop check for write v2
2011-05-28 12:02:09 -04:00