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KOSAKI Motohiro 98391cf4dc exec: don't turn PF_KTHREAD off when a target command was not found 
Presently do_execve() turns PF_KTHREAD off before search_binary_handler().
 THis has a theorical risk of PF_KTHREAD getting lost.  We don't have to
turn PF_KTHREAD off in the ENOEXEC case.

This patch moves this flag modification to after the finding of the
executable file.

This is only a theorical issue because kthreads do not call do_execve()
directly.  But fixing would be better.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:13 -07:00
..
9p
new helper: ihold()
2010-10-25 21:26:11 -04:00
adfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
affs
new helper: ihold()
2010-10-25 21:26:11 -04:00
afs
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
autofs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
autofs4
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
befs
fix typos concerning "initiali[zs]e"
2010-06-16 18:05:05 +02:00
bfs
new helper: ihold()
2010-10-25 21:26:11 -04:00
btrfs
new helper: ihold()
2010-10-25 21:26:11 -04:00
cachefiles
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
ceph
writeback: remove nonblocking/encountered_congestion references
2010-10-26 16:52:05 -07:00
cifs
writeback: remove nonblocking/encountered_congestion references
2010-10-26 16:52:05 -07:00
coda
new helper: ihold()
2010-10-25 21:26:11 -04:00
configfs
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
cramfs
cramfs: only unlock new inodes
2010-08-18 01:01:33 -04:00
debugfs
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
devpts
…
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
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-10-24 13:41:39 -07:00
efs
…
exofs
new helper: ihold()
2010-10-25 21:26:11 -04:00
exportfs
exportfs: use dget_parent
2010-10-25 21:26:13 -04:00
ext2
new helper: ihold()
2010-10-25 21:26:11 -04:00
ext3
new helper: ihold()
2010-10-25 21:26:11 -04:00
ext4
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
fat
Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block
2010-10-22 17:07:18 -07:00
freevxfs
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
fscache
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
fuse
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
gfs2
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
hfs
switch hfs to hlist_add_fake()
2010-10-25 21:24:16 -04:00
hfsplus
new helper: ihold()
2010-10-25 21:26:11 -04:00
hostfs
hostfs: code cleanups
2010-10-26 16:52:12 -07:00
hpfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
hppfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
hugetlbfs
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
isofs
isofs: work-around for Rock Ridge+Joliet CDs with empty ISO root directory
2010-10-27 18:03:08 -07:00
jbd
Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block
2010-10-22 17:07:18 -07:00
jbd2
Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block
2010-10-22 17:07:18 -07:00
jffs2
new helper: ihold()
2010-10-25 21:26:11 -04:00
jfs
new helper: ihold()
2010-10-25 21:26:11 -04:00
lockd
Merge branch 'for-2.6.37' of git://linux-nfs.org/~bfields/linux
2010-10-26 09:55:25 -07:00
logfs
new helper: ihold()
2010-10-25 21:26:11 -04:00
minix
new helper: ihold()
2010-10-25 21:26:11 -04:00
ncpfs
ncpfs: Lock socket in ncpfs while setting its callbacks
2010-10-05 11:02:14 +02:00
nfs
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
nfs_common
…
nfsd
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
nilfs2
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
nls
…
notify
split invalidate_inodes()
2010-10-25 21:27:18 -04:00
ntfs
new helper: ihold()
2010-10-25 21:26:11 -04:00
ocfs2
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bcopeland/omfs
2010-08-10 11:47:36 -07:00
openpromfs
…
partitions
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
2010-10-25 07:45:10 -07:00
proc
/proc/stat: fix scalability of irq sum of all cpu
2010-10-27 18:03:13 -07:00
qnx4
BKL: remove BKL from qnx4
2010-10-21 18:48:04 +02:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ramfs
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
reiserfs
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
romfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
smbfs
smbfs: use dget_parent
2010-10-25 21:26:14 -04:00
squashfs
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
sysfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
2010-10-22 19:36:42 -07:00
sysv
new helper: ihold()
2010-10-25 21:26:11 -04:00
ubifs
new helper: ihold()
2010-10-25 21:26:11 -04:00
udf
new helper: ihold()
2010-10-25 21:26:11 -04:00
ufs
new helper: ihold()
2010-10-25 21:26:11 -04:00
xfs
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
aio.c
new helper: ihold()
2010-10-25 21:26:11 -04:00
anon_inodes.c
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
attr.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
bad_inode.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
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
flat: tweak default stack alignment
2010-06-29 15:29:31 -07:00
binfmt_misc.c
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -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
block: unify flags for struct bio and struct request
2010-08-07 18:20:39 +02:00
block_dev.c
fs: inode split IO and LRU lists
2010-10-25 21:26:15 -04:00
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
fix rawctl compat ioctls breakage on amd64 and itanic
2010-10-19 11:29:54 +02:00
compat.c
Merge branch 'for-2.6.37' of git://linux-nfs.org/~bfields/linux
2010-10-26 09:55:25 -07:00
dcache.c
fs: use RCU read side protection in d_validate
2010-10-25 21:26:13 -04:00
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
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
exec.c
exec: don't turn PF_KTHREAD off when a target command was not found
2010-10-27 18:03:13 -07:00
fcntl.c
vfs: take O_NONBLOCK out of the O_* uniqueness test
2010-09-09 18:57:25 -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_struct.c
fs: fs_struct rwlock to spinlock
2010-08-18 08:35:46 -04:00
fs-writeback.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
generic_acl.c
vfs: update ctime when changing the file's permission by setfacl
2010-08-18 01:04:22 -04:00
inode.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
internal.h
split invalidate_inodes()
2010-10-25 21:27:18 -04:00
ioctl.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
ioprio.c
…
Kconfig
fs: move exportfs since it is not a networking filesystem
2010-10-26 16:52:13 -07:00
Kconfig.binfmt
coredump: default CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
2010-10-27 18:03:12 -07:00
libfs.c
new helper: ihold()
2010-10-25 21:26:11 -04:00
locks.c
procfs: fix numbering in /proc/locks
2010-10-26 16:52:13 -07:00
Makefile
nfsd: allow deprecated interface to be compiled out.
2010-09-22 15:33:14 -04:00
mbcache.c
mbcache: Limit the maximum number of cache entries
2010-08-18 06:24:41 -04:00
mpage.c
…
namei.c
new helper: ihold()
2010-10-25 21:26:11 -04:00
namespace.c
vfs: fix infinite loop caused by clone_mnt race
2010-10-25 21:24:16 -04:00
nfsctl.c
…
no-block.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
open.c
fs: cleanup files_lock locking
2010-08-18 08:35:47 -04:00
pipe.c
fs: do not assign default i_ino in new_inode
2010-10-25 21:26:11 -04:00
pnode.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
pnode.h
…
posix_acl.c
…
read_write.c
vfs: introduce FMODE_UNSIGNED_OFFSET for allowing negative f_pos
2010-10-25 21:18:21 -04:00
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
…
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
splice: fix misuse of SPLICE_F_NONBLOCK
2010-08-07 18:52:56 +02:00
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
split invalidate_inodes()
2010-10-25 21:27:18 -04:00
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
…