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Linus Torvalds 2ec196c975 vfs: make AIO use the proper rw_verify_area() area helpers 
commit a70b52ec1a upstream.

We had for some reason overlooked the AIO interface, and it didn't use
the proper rw_verify_area() helper function that checks (for example)
mandatory locking on the file, and that the size of the access doesn't
cause us to overflow the provided offset limits etc.

Instead, AIO did just the security_file_permission() thing (that
rw_verify_area() also does) directly.

This fixes it to do all the proper helper functions, which not only
means that now mandatory file locking works with AIO too, we can
actually remove lines of code.

Reported-by: Manish Honap <manish_honap_vit@yahoo.co.in>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-01 15:12:53 +08:00
..
9p fs/9p: Use protocol-defined value for lock/getlock 'type' field. 2011-10-03 11:40:22 -07:00
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: Remote abort can cause BUG in rxrpc code 2012-03-23 11:20:51 -07:00
autofs4 autofs: make the autofsv5 packet file descriptor use a packetized pipe 2012-05-07 08:56:37 -07:00
befs befs: Validate length of long symbolic links. 2011-08-29 13:29:06 -07:00
bfs bfs: remove unnecessary dentry_unhash on dir rename 2011-05-28 01:02:50 -04:00
btrfs btrfs: btrfs_root_readonly() broken on big-endian 2012-04-27 09:51:17 -07:00
cachefiles Fix common misspellings 2011-03-31 11:26:23 -03:00
ceph ceph analog of cifs build_path_from_dentry() race fix 2011-07-16 23:43:58 -04:00
cifs cifs: fix issue mounting of DFS ROOT when redirecting from one domain controller to the next 2012-04-02 09:27:17 -07:00
coda coda_ioctl_permission() is safe in RCU mode 2011-06-20 10:44:19 -04:00
configfs configfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
cramfs cramfs: get_cramfs_inode() returns ERR_PTR() on failure 2011-07-17 23:22:02 -04:00
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: Copy up lower inode attrs after setting lower xattr 2012-02-29 16:33:41 -08:00
efs
exofs fix exofs ->get_parent() 2011-07-17 23:20:29 -04:00
exportfs
ext2 ext2: remove unnecessary dentry_unhash on rmdir/rename_dir 2011-05-26 07:26:56 -04:00
ext3 ext3: Fix error handling on inode bitmap corruption 2012-05-21 09:40:04 -07:00
ext4 ext4: fix error handling on inode bitmap corruption 2012-05-21 09:40:04 -07:00
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 FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop 2011-07-21 10:59:16 -07:00
fuse fuse: fix fuse_retrieve 2011-12-21 12:57:44 -08:00
gfs2 GFS2: Fix mount hang caused by certain access pattern to sysfs files 2011-08-04 21:58:42 -07:00
hfs hfs: fix hfs_find_init() sb->ext_tree NULL ptr oops 2011-12-21 12:57:41 -08:00
hfsplus hfsplus: Fix potential buffer overflows 2012-05-07 08:56:50 -07:00
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 hppfs: missing include 2011-11-11 09:35:59 -08:00
hugetlbfs hugetlbfs: avoid taking i_mutex from hugetlbfs_read() 2012-04-02 09:27:11 -07:00
isofs isofs: fix bh leak in isofs_fill_super() error case 2011-06-18 07:25:42 -07:00
jbd jbd/jbd2: validate sb->s_first in journal_get_superblock() 2011-12-21 12:57:40 -08:00
jbd2 jbd2: use GFP_NOFS for blkdev_issue_flush 2012-04-27 09:51:07 -07:00
jffs2 jffs2: Fix lock acquisition order bug in gc path 2012-05-21 09:40:03 -07:00
jfs jfs: agstart field must be 64 bits 2011-06-20 17:53:24 -05:00
lockd lockd: fix the endianness bug 2012-04-27 09:51:18 -07:00
logfs logfs doesn't need ->permission() at all 2011-06-20 10:44:26 -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 NFSv4: Revalidate uid/gid after open 2012-05-21 09:40:04 -07:00
nfs_common Fix common misspellings 2011-03-31 11:26:23 -03:00
nfsd nfsd: fix error values returned by nfsd4_lockt() when nfsd_open() fails 2012-05-07 08:56:35 -07:00
nilfs2 nilfs2: fix NULL pointer dereference in nilfs_load_super_block() 2012-03-23 11:20:50 -07:00
nls
notify fsnotify: don't BUG in fsnotify_destroy_mark() 2012-01-25 17:24:49 -08:00
ntfs Fix common misspellings 2011-03-31 11:26:23 -03:00
ocfs2 ocfs2: ->e_leaf_clusters endianness breakage 2012-04-27 09:51:18 -07:00
omfs Remove unneeded version.h includes from fs/ 2011-06-24 08:34:22 -07:00
openpromfs
partitions block: Fix NULL pointer dereference in sd_revalidate_disk 2012-03-19 08:57:58 -07:00
proc proc-ns: use d_set_d_op() API to set dentry ops in proc_ns_instantiate(). 2012-04-02 09:27:18 -07:00
pstore pstore: fix pstore filesystem mount/remount issue 2011-05-16 11:05:00 -07:00
qnx4
quota VFS: Fix the remaining automounter semantics regressions 2011-11-11 09:36:22 -08:00
ramfs ramfs: fix memleak on no-mmu arch 2011-04-14 16:06:56 -07:00
reiserfs reiserfs: Force inode evictions before umount to avoid crash 2012-01-12 11:35:05 -08:00
romfs romfs: fix romfs_get_unmapped_area() argument check 2011-06-27 18:00:12 -07:00
squashfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus 2011-05-29 11:19:45 -07:00
sysfs sysfs: Fix memory leak in sysfs_sd_setsecdata(). 2012-04-02 09:26:53 -07:00
sysv sysv: remove unnecessary dentry_unhash from rmdir, dir rename 2011-05-28 01:02:50 -04:00
ubifs UBIFS: make debugging messages light again 2012-01-25 17:25:06 -08:00
udf udf: Fix deadlock in udf_release_file() 2012-04-02 09:27:19 -07:00
ufs ufs should use d_splice_alias() 2011-07-17 23:21:35 -04:00
xfs xfs: Fix oops on IO error during xlog_recover_process_iunlinks() 2012-04-02 09:27:20 -07:00
aio.c vfs: make AIO use the proper rw_verify_area() area helpers 2012-06-01 15:12:53 +08:00
anon_inodes.c
attr.c Cache xattr security drop check for write v2 2011-05-28 12:02:09 -04:00
bad_inode.c bad_inode_permission() is safe from RCU mode 2011-06-20 10:44:00 -04:00
binfmt_aout.c
binfmt_elf.c regset: Prevent null pointer reference on readonly regsets 2012-03-12 10:32:41 -07:00
binfmt_elf_fdpic.c FDPIC: Fix memory leak 2011-07-06 12:15:16 -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
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: don't mark buffers beyond end of disk as mapped 2012-06-01 15:12:52 +08:00
buffer.c block: don't mark buffers beyond end of disk as mapped 2012-06-01 15:12:52 +08:00
char_dev.c
compat.c exec: unify do_execve/compat_do_execve code 2011-04-09 15:53:56 +02:00
compat_binfmt_elf.c
compat_ioctl.c
dcache.c vfs: fix d_ancestor() case in d_materialize_unique 2012-04-02 09:27:19 -07:00
dcookies.c oprofile, dcookies: Fix possible circular locking dependency 2011-05-31 16:33:35 +02:00
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
eventpoll.c Don't limit non-nested epoll paths 2012-04-27 09:51:09 -07:00
exec.c exec: do not call request_module() twice from search_binary_handler() 2011-10-16 14:14:54 -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.c vfs: avoid large kmalloc()s for the fdtable 2011-04-28 11:28:20 -07:00
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
filesystems.c fs: synchronize_rcu when unregister_filesystem success not failure 2011-04-17 10:42:01 -07:00
fs-writeback.c writeback: update dirtied_when for synced inode to prevent livelock 2011-10-03 11:40:44 -07:00
fs_struct.c
generic_acl.c userns: rename is_owner_or_cap to inode_owner_or_capable 2011-03-23 19:47:13 -07:00
inode.c mm: fix assertion mapping->nrpages == 0 in end_writeback() 2011-06-27 18:00:13 -07:00
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
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 fs/libfs.c: fix simple_attr_write() on 32bit machines 2011-07-19 22:09:30 -07:00
locks.c fs: fix lock initialization 2011-07-06 10:41:13 -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: fix double put after complete_walk() 2012-03-19 08:57:44 -07:00
namespace.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-21 12:57:36 -08:00
nfsctl.c
no-block.c
open.c fs: Use BUG_ON(!mnt) at dentry_open(). 2011-03-21 01:10:41 -04:00
pipe.c pipes: add a "packetized pipe" mode for writing 2012-05-07 08:56:36 -07:00
pnode.c
pnode.h
posix_acl.c
read_write.c
read_write.h
readdir.c
select.c select: remove unused MAX_SELECT_SECONDS 2011-03-21 00:16:08 -04:00
seq_file.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-21 12:57:36 -08:00
signalfd.c epoll: ep_unregister_pollwait() can use the freed pwq->whead 2012-02-29 16:34:35 -08:00
splice.c tcp: allow splice() to build full TSO packets 2012-04-27 09:51:18 -07:00
stack.c
stat.c readlinkat: ensure we return ENOENT for the empty pathname for normal lookups 2011-11-11 09:36:19 -08:00
statfs.c VFS: fix statfs() automounter semantics regression 2011-11-11 09:37:08 -08:00
super.c wake up s_wait_unfrozen when ->freeze_fs fails 2012-05-21 09:40:05 -07:00
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: Fix wakeup of processes when timer is cancelled on clock change 2011-06-14 11:46:14 +02:00
utimes.c userns: rename is_owner_or_cap to inode_owner_or_capable 2011-03-23 19:47:13 -07:00
xattr.c Cache xattr security drop check for write v2 2011-05-28 12:02:09 -04:00
xattr_acl.c