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linux/fs
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Frank Filz 7ee2cb7f32 nfs: Fix NFS v4 client handling of MAY_EXEC in nfs_permission. 
The problem is that permission checking is skipped if atomic open is
possible, but when exec opens a file, it just opens it O_READONLY which
means EXEC permission will not be checked at that time.

This problem is observed by the following sequence (executed as root):

  mount -t nfs4 server:/ /mnt4
  echo "ls" >/mnt4/foo
  chmod 744 /mnt4/foo
  su guest -c "mnt4/foo"

Signed-off-by: Frank Filz <ffilzlnx@us.ibm.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
Tested-by: Eugene Teo <eugeneteo@kernel.sg>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-18 20:11:12 -07:00
..
9p
Fix a leak in failure exit in 9p ->get_sb()
2009-05-09 10:49:40 -04:00
adfs
fs/adfs: return f_fsid for statfs(2)
2009-04-02 19:05:08 -07:00
affs
Fix races around the access to ->s_options
2009-05-09 10:51:34 -04:00
afs
Fix races around the access to ->s_options
2009-05-09 10:51:34 -04:00
autofs
Fix autofs_expire()
2009-04-20 23:01:15 -04:00
autofs4
autofs4: fix incorrect return in autofs4_mount_busy()
2009-05-02 15:36:09 -07:00
befs
befs: fix build on parisc
2009-04-08 10:21:43 -07:00
bfs
fs/Kconfig: move bfs out
2009-01-22 13:15:57 +03:00
btrfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
2009-05-14 19:18:44 -07:00
cachefiles
CacheFiles: A cache that backs onto a mounted filesystem
2009-04-03 16:42:41 +01:00
cifs
cifs: fix error handling in parse_DFS_referrals
2009-05-14 13:55:32 +00:00
coda
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
configfs
configfs: Fix Trivial Warning in fs/configfs/symlink.c
2009-04-21 12:59:21 -07:00
cramfs
fs/cramfs: return f_fsid for statfs(2)
2009-04-02 19:05:08 -07:00
debugfs
debugfs: function to know if debugfs is initialized
2009-03-23 16:25:46 +01:00
devpts
devpts: correctly set default options
2009-05-15 08:03:23 -07:00
dlm
dlm: fix length calculation in compat code
2009-03-11 12:23:59 -05:00
ecryptfs
Convert obvious places to deactivate_locked_super()
2009-05-09 10:49:40 -04:00
efs
fs/efs: return f_fsid for statfs(2)
2009-04-02 19:05:09 -07:00
exofs
exofs: Documentation
2009-03-31 19:44:38 +03:00
exportfs
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
ext2
ext2: missing unlock in ext2_quota_write()
2009-04-27 16:49:52 +02:00
ext3
ext3: Try to avoid starting a transaction in writepage for data=writepage
2009-04-08 13:15:10 -04:00
ext4
ext4: Fix race in ext4_inode_info.i_cached_extent
2009-05-15 09:07:28 -04:00
fat
vfat: Note the NLS requirement
2009-04-17 09:32:11 -07:00
freevxfs
fs/Kconfig: move vxfs out
2009-01-22 13:15:58 +03:00
fscache
FS-Cache: Implement data I/O part of netfs API
2009-04-03 16:42:39 +01:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2009-05-13 16:32:57 -07:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-05-10 10:49:08 -07:00
hfs
hfs: fix memory leak when unmounting
2009-04-13 15:04:29 -07:00
hfsplus
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
hostfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
hpfs
Fix races around the access to ->s_options
2009-05-09 10:51:34 -04:00
hppfs
hppfs: hppfs_read_file() may return -ERROR
2009-04-02 19:04:53 -07:00
hugetlbfs
Remove implementation of readpage from the hugetlbfs_aops
2009-05-13 08:04:45 -07:00
isofs
fs/isofs: return f_fsid for statfs(2)
2009-04-02 19:05:09 -07:00
jbd
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2009-04-24 08:37:40 -07:00
jbd2
jbd2: use SWRITE_SYNC_PLUG when writing synchronous revoke records
2009-04-14 07:50:56 -04:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2009-04-06 14:56:26 -07:00
jfs
New helper - current_umask()
2009-03-31 23:00:26 -04:00
lockd
lockd: fix list corruption on lockd restart
2009-05-06 17:19:36 -04:00
minix
fs/minix: return f_fsid for statfs(2)
2009-04-02 19:05:09 -07:00
ncpfs
ncpfs: use memdup_user()
2009-04-20 23:02:51 -04:00
nfs
nfs: Fix NFS v4 client handling of MAY_EXEC in nfs_permission.
2009-05-18 20:11:12 -07:00
nfs_common
SUNRPC: nfsacl_encode/nfsacl_decode should be exported as GPL-only
2008-12-23 15:21:32 -05:00
nfsd
nfsd: silence lockdep warning
2009-05-11 17:23:14 -04:00
nilfs2
nilfs2: check size of array structured data exchanged via ioctls
2009-05-12 01:48:54 +09:00
nls
…
notify
inotify: use GFP_NOFS in kernel_event() to work around a lockdep false-positive
2009-05-06 16:36:09 -07:00
ntfs
ntfs: remove private wrapper of endian helpers
2009-04-01 08:59:18 -07:00
ocfs2
ocfs2: Use nd_set_link().
2009-05-09 10:49:40 -04:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
openpromfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
partitions
Merge branch 'tracing/core-v2' into tracing-for-linus
2009-04-02 00:49:02 +02:00
proc
Convert obvious places to deactivate_locked_super()
2009-05-09 10:49:40 -04:00
qnx4
fs/qnx4: return f_fsid for statfs(2)
2009-04-02 19:05:10 -07:00
quota
quota: remove obsolete comments in fs/quota/Makefile
2009-04-27 16:49:52 +02:00
ramfs
ramfs: fix double freeing s_fs_info on failed mount
2009-04-07 07:39:59 -07:00
reiserfs
reiserfs: fixup perms when xattrs are disabled
2009-05-17 11:45:45 -07:00
romfs
ROMFS: romfs_dev_read() error ignored
2009-05-09 10:49:41 -04:00
smbfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
squashfs
Squashfs: cody tidying, remove commented out line in Makefile
2009-05-13 03:25:20 +01:00
sysfs
sysfs: use memdup_user()
2009-04-20 23:02:50 -04:00
sysv
fs/sysv: return f_fsid for statfs(2)
2009-04-02 19:05:10 -07:00
ubifs
Convert obvious places to deactivate_locked_super()
2009-05-09 10:49:40 -04:00
udf
udf: Don't write integrity descriptor too often
2009-04-02 13:36:28 +02:00
ufs
switch ufs directories to ufs_sync_file()
2009-05-09 10:49:42 -04:00
xfs
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
2009-05-02 16:52:50 -07:00
aio.c
aio: lookup_ioctx can return the wrong value when looking up a bogus context
2009-03-19 15:57:18 -07:00
anon_inodes.c
constify dentry_operations: rest
2009-03-27 14:44:03 -04:00
attr.c
vfs: Use lowercase names of quota functions
2009-03-26 02:18:35 +01:00
bad_inode.c
kill ->dir_notify()
2008-12-31 18:07:43 -05:00
binfmt_aout.c
sanitize ifdefs in binfmt_aout
2009-01-03 11:45:54 -08:00
binfmt_elf_fdpic.c
ptrace: s/parent/real_parent/ in binfmt_elf_fdpic.c
2009-05-02 15:36:10 -07:00
binfmt_elf.c
Trim includes in binfmt_elf
2009-03-31 23:00:27 -04:00
binfmt_em86.c
…
binfmt_flat.c
FLAT: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_misc.c
fs/binfmt_misc.c: add terminating newline to /proc/sys/fs/binfmt_misc/status
2009-01-06 15:59:19 -08:00
binfmt_script.c
…
binfmt_som.c
Don't crap into descriptor table in binfmt_som
2009-03-31 23:00:28 -04:00
bio-integrity.c
block: add private bio_set for bio integrity allocations
2009-03-24 12:35:17 +01:00
bio.c
bio: fix memcpy corruption in bio_copy_user_iov()
2009-04-28 20:24:29 +02:00
block_dev.c
Cleanup after commit 585d3bc06f4ca57f975a5a1f698f65a45ea66225
2009-04-01 07:07:16 -04:00
buffer.c
mm: close page_mkwrite races
2009-05-02 15:36:09 -07:00
char_dev.c
fs: fix name overwrite in __register_chrdev_region()
2009-01-06 15:59:13 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
fs/compat_ioctl: fix build when !BLOCK
2009-04-20 23:01:16 -04:00
compat.c
do_execve() must not clear fs->in_exec if it was set by another thread
2009-04-24 07:39:45 -07:00
dcache.c
fs: dcache fix LRU ordering
2009-05-09 10:49:40 -04:00
dcookies.c
[CVE-2009-0029] System call wrapper special cases
2009-01-14 14:15:18 +01:00
direct-io.c
dio: Remove code handling bio_alloc failure with __GFP_WAIT
2009-04-15 12:10:13 +02:00
drop_caches.c
vfs: skip I_CLEAR state inodes
2009-04-02 19:04:48 -07:00
eventfd.c
epoll keyed wakeups: make eventfd use keyed wakeups
2009-04-01 08:59:20 -07:00
eventpoll.c
epoll: fix size check in epoll_create()
2009-05-12 14:11:35 -07:00
exec.c
Switch open_exec() and sys_uselib() to do_open_filp()
2009-05-09 10:49:42 -04:00
fcntl.c
dup2: Fix return value with oldfd == newfd and invalid fd
2009-05-11 12:18:06 -07:00
fifo.c
…
file_table.c
trivial: remove unused variable 'path' in alloc_file()
2009-03-30 15:22:03 +02:00
file.c
…
filesystems.c
fs: Mark get_filesystem_list() as __init function.
2009-04-20 23:02:52 -04:00
fs_struct.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
fs-writeback.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2009-04-03 15:24:35 -07:00
generic_acl.c
New helper - current_umask()
2009-03-31 23:00:26 -04:00
inode.c
Make checkpatch.pl shut up on fs/inode.c
2009-05-09 10:49:41 -04:00
internal.h
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
ioctl.c
fiemap: fix problem with setting FIEMAP_EXTENT_LAST
2009-05-06 16:36:09 -07:00
ioprio.c
[CVE-2009-0029] System call wrappers part 28
2009-01-14 14:15:30 +01:00
Kconfig
nilfs2: update makefile and Kconfig
2009-04-07 08:31:16 -07:00
Kconfig.binfmt
CORE_DUMP_DEFAULT_ELF_HEADERS depends on ELF_CORE
2009-01-09 16:54:41 -08:00
libfs.c
Convert obvious places to deactivate_locked_super()
2009-05-09 10:49:40 -04:00
locks.c
[CVE-2009-0029] System call wrappers part 16
2009-01-14 14:15:25 +01:00
Makefile
nilfs2: update makefile and Kconfig
2009-04-07 08:31:16 -07:00
mbcache.c
…
mpage.c
Remove two unneeded exports and make two symbols static in fs/mpage.c
2009-04-01 07:38:54 -04:00
namei.c
Switch open_exec() and sys_uselib() to do_open_filp()
2009-05-09 10:49:42 -04:00
namespace.c
Fix races around the access to ->s_options
2009-05-09 10:51:34 -04:00
nfsctl.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
no-block.c
…
open.c
Switch open_exec() and sys_uselib() to do_open_filp()
2009-05-09 10:49:42 -04:00
pipe.c
splice: add helpers for locking pipe inode
2009-04-15 12:10:12 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
read_write.c
Make non-compat preadv/pwritev use native register size
2009-04-04 14:20:34 -07:00
read_write.h
…
readdir.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
select.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
seq_file.c
cpumask: fix seq_bitmap_*() functions.
2009-03-30 22:05:11 +10:30
signalfd.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
splice.c
splice: fix new kernel-doc warnings
2009-04-17 07:38:07 -07:00
stack.c
…
stat.c
kill vfs_stat_fd / vfs_lstat_fd
2009-04-20 23:02:52 -04:00
super.c
NULL noise in fs/super.c:kill_bdev_super()
2009-05-09 10:49:41 -04:00
sync.c
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-quota-2.6
2009-03-27 14:48:34 -07:00
timerfd.c
timerfd: add flags check
2009-02-18 15:37:53 -08:00
utimes.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
xattr_acl.c
…
xattr.c
xattr: use memdup_user()
2009-04-20 23:02:50 -04:00