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Larry Chen 0d3b9ac284 ocfs2: fix clusters leak in ocfs2_defrag_extent() 
[ Upstream commit 6194ae4242dec0c9d604bc05df83aa9260a899e4 ]

ocfs2_defrag_extent() might leak allocated clusters.  When the file
system has insufficient space, the number of claimed clusters might be
less than the caller wants.  If that happens, the original code might
directly commit the transaction without returning clusters.

This patch is based on code in ocfs2_add_clusters_in_btree().

[akpm@linux-foundation.org: include localalloc.h, reduce scope of data_ac]
Link: http://lkml.kernel.org/r/20180904041621.16874-3-lchen@suse.com
Signed-off-by: Larry Chen <lchen@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-01 09:17:15 +01:00
..
9p 9p: avoid attaching writeback_fid on mmap with type PRIVATE 2019-10-11 18:21:13 +02:00
adfs fs/adfs: super: fix use-after-free bug 2019-08-06 19:06:49 +02:00
affs
afs afs: Fix leak in afs_lookup_cell_rcu() 2019-09-10 10:33:52 +01:00
autofs autofs: fix error return in autofs_fill_super() 2019-03-13 14:02:32 -07:00
befs fix a series of Documentation/ broken file name references 2018-06-15 18:10:01 -03:00
bfs bfs: add sanity check at bfs_fill_super() 2018-12-01 09:37:27 +01:00
btrfs btrfs: handle error of get_old_root 2019-12-01 09:16:22 +01:00
cachefiles fscache, cachefiles: remove redundant variable 'cache' 2018-12-17 09:24:40 +01:00
ceph ceph: only allow punch hole mode in fallocate 2019-12-01 09:16:50 +01:00
cifs fs/cifs: fix uninitialised variable warnings 2019-12-01 09:16:58 +01:00
coda coda: add error handling for fget 2019-08-06 19:06:51 +02:00
configfs configfs: fix a deadlock in configfs_symlink() 2019-11-12 19:20:47 +01:00
cramfs Cramfs: fix abad comparison when wrap-arounds occur 2018-11-13 11:08:55 -08:00
crypto fscrypt: clean up some BUG_ON()s in block encryption/decryption 2019-07-26 09:14:02 +02:00
debugfs debugfs: fix use-after-free on symlink traversal 2019-05-08 07:21:48 +02:00
devpts fs/devpts: always delete dcache dentry-s in dput() 2019-03-23 20:09:59 +01:00
dlm dlm: check if workqueues are NULL before flushing/destroying 2019-07-31 07:27:07 +02:00
ecryptfs ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either 2019-11-20 18:45:18 +01:00
efivarfs efivars: Call guid_parse() against guid_t type of variable 2018-07-22 14:13:44 +02:00
efs
exofs fs/exofs: fix potential memory leak in mount option parsing 2018-11-27 16:13:00 +01:00
exportfs exportfs: do not read dentry after free 2018-12-17 09:24:35 +01:00
ext2 ext2: Fix underflow in ext2_max_size() 2019-03-23 20:10:03 +01:00
ext4 ext4: fix build error when DX_DEBUG is defined 2019-11-24 08:19:47 +01:00
f2fs f2fs: spread f2fs_set_inode_flags() 2019-12-01 09:16:55 +01:00
fat fat: work around race with userspace's read via blockdev while mounting 2019-10-07 18:57:14 +02:00
freevxfs
fscache fscache: fix race between enablement and dropping of object 2018-12-17 09:24:40 +01:00
fuse fuse: use READ_ONCE on congestion_threshold and max_background 2019-11-20 18:47:53 +01:00
gfs2 gfs2: Fix marking bitmaps non-full 2019-12-01 09:16:15 +01:00
hfs fs/hfs/extent.c: fix array out of bounds read of array extent 2019-12-01 09:17:10 +01:00
hfsplus hfsplus: update timestamps on truncate() 2019-12-01 09:17:09 +01:00
hostfs vfs: discard ATTR_ATTR_FLAG 2018-08-17 16:20:28 -07:00
hpfs hpfs: remove unnecessary checks on the value of r when assigning error code 2018-08-25 12:42:33 -07:00
hugetlbfs hugetlb: use same fault hash key for shared and private mappings 2019-05-22 07:37:40 +02:00
isofs isofs: reject hardware sector size > 2048 bytes 2018-08-21 11:37:41 +02:00
jbd2 jbd2: introduce jbd2_inode dirty range scoping 2019-07-28 08:29:29 +02:00
jffs2 jffs2: fix use-after-free on symlink traversal 2019-05-08 07:21:48 +02:00
jfs Just one jfs patch for 4.19 2018-08-15 22:47:23 -07:00
kernfs kernfs: Fix range checks in kernfs_get_target_path 2019-11-20 18:46:47 +01:00
lockd Revert "lockd: Show pid of lockd for remote locks" 2019-06-09 09:17:22 +02:00
minix
nfs NFSv4.x: fix lock recovery during delegation recall 2019-11-24 08:20:24 +01:00
nfs_common
nfsd nfsd: Fix overflow causing non-working mounts on 1 TB machines 2019-07-10 09:53:47 +02:00
nilfs2 nilfs2: convert to SPDX license tags 2018-09-04 16:45:02 -07:00
nls
notify memcg, fsnotify: no oom-kill for remote memcg charging 2019-07-31 07:27:08 +02:00
ntfs ntfs: mft: remove VLA usage 2018-08-17 16:20:27 -07:00
ocfs2 ocfs2: fix clusters leak in ocfs2_defrag_extent() 2019-12-01 09:17:15 +01:00
omfs
openpromfs
orangefs orangefs: rate limit the client not running info message 2019-11-24 08:20:57 +01:00
overlayfs ovl: filter of trusted xattr results in audit 2019-10-05 13:10:08 +02:00
proc proc/vmcore: Fix i386 build error of missing copy_oldmem_page_encrypted() 2019-11-24 08:20:45 +01:00
pstore pstore: fs superblock limits 2019-10-07 18:56:59 +02:00
qnx4
qnx6
quota quota: fix a problem about transfer quota 2019-07-14 08:11:15 +02:00
ramfs
reiserfs reiserfs: propagate errors from fill_with_dentries() properly 2018-11-27 16:12:59 +01:00
romfs
squashfs Squashfs: Compute expected length from inode size rather than block length 2018-08-02 09:34:02 -07:00
sysfs Driver core patches for 4.19-rc1 2018-08-18 11:44:53 -07:00
sysv sysv: return 'err' instead of 0 in __sysv_write_inode 2018-12-17 09:24:30 +01:00
tracefs tracefs: Annotate tracefs_ops with __ro_after_init 2018-07-31 11:32:44 -04:00
ubifs ubifs: Correctly use tnc_next() in search_dh_cookie() 2019-09-19 09:09:37 +02:00
udf udf: Fix crash during mount 2019-11-20 18:46:04 +01:00
ufs ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour 2019-05-25 18:23:46 +02:00
xfs xfs: clear ail delwri queued bufs on unmount of shutdown fs 2019-12-01 09:16:34 +01:00
aio.c Fix aio_poll() races 2019-05-02 09:58:59 +02:00
anon_inodes.c anon_inode_getfile(): switch to alloc_file_pseudo() 2018-07-12 10:04:27 -04:00
attr.c fs: Fix attr.c kernel-doc 2018-07-03 16:44:45 -04:00
bad_inode.c get rid of 'opened' argument of ->atomic_open() - part 3 2018-07-12 10:04:20 -04:00
binfmt_aout.c
binfmt_elf.c binfmt_elf: Do not move brk for INTERP-less ET_EXEC 2019-10-05 13:10:06 +02:00
binfmt_elf_fdpic.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
binfmt_em86.c
binfmt_flat.c fs/binfmt_flat.c: make load_flat_shared_library() work 2019-07-03 13:14:44 +02:00
binfmt_misc.c turn filp_clone_open() into inline wrapper for dentry_open() 2018-07-10 23:29:03 -04:00
binfmt_script.c exec: load_script: Do not exec truncated interpreter path 2019-11-06 13:05:37 +01:00
block_dev.c block: fix the return errno for direct IO 2019-04-17 08:38:52 +02:00
buffer.c fs: fix guard_bio_eod to check for real EOD errors 2019-04-05 22:33:00 +02:00
char_dev.c chardev: add additional check for minor range overlap 2019-05-31 06:46:27 -07:00
compat.c ncpfs: remove compat functionality 2018-06-05 19:23:26 +02:00
compat_binfmt_elf.c
compat_ioctl.c media: dvb: fix compat ioctl translation 2019-11-20 18:46:33 +01:00
coredump.c
d_path.c
dax.c dax: dax_layout_busy_page() should not unmap cow pages 2019-08-16 10:12:52 +02:00
dcache.c dcache: sort the freeing-without-RCU-delay mess for good. 2019-05-25 18:23:26 +02:00
dcookies.c
direct-io.c direct-io: allow direct writes to empty inodes 2019-03-05 17:58:50 +01:00
drop_caches.c fs/drop_caches.c: avoid softlockups in drop_pagecache_sb() 2019-03-13 14:02:32 -07:00
eventfd.c Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
eventpoll.c fs/epoll: drop ovflist branch prediction 2019-02-12 19:47:19 +01:00
exec.c sched/fair: Don't free p->numa_faults with concurrent readers 2019-08-04 09:30:56 +02:00
fcntl.c signal: Don't send signals to tasks that don't exist 2018-08-15 23:03:20 -05:00
fhandle.c
file.c fs/file.c: initialize init_files.resize_wait 2019-04-05 22:32:59 +02:00
file_table.c overlayfs update for 4.19 2018-08-21 18:19:09 -07:00
filesystems.c
fs-writeback.c cgroup,writeback: don't switch wbs immediately on dead wbs if the memcg is dead 2019-11-12 19:21:20 +01:00
fs_pin.c
fs_struct.c
inode.c Abort file_remove_privs() for non-reg. files 2019-06-22 08:15:21 +02:00
internal.h acct_on(): don't mess with freeze protection 2019-05-31 06:46:05 -07:00
ioctl.c vfs: fix FIGETBSZ ioctl on an overlayfs file 2018-11-21 09:19:14 +01:00
iomap.c iomap: fix a use after free in iomap_dio_rw 2019-03-13 14:02:29 -07:00
Kconfig autofs: remove left-over autofs4 stubs 2018-06-11 08:22:34 -07:00
Kconfig.binfmt kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
libfs.c Fix the locking in dcache_readdir() and friends 2019-10-17 13:45:35 -07:00
locks.c overlayfs update for 4.19 2018-08-21 18:19:09 -07:00
Makefile autofs: remove left-over autofs4 stubs 2018-06-11 08:22:34 -07:00
mbcache.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mount.h
mpage.c mpage: mpage_readpages() should submit IO as read-ahead 2018-08-17 16:20:29 -07:00
namei.c Revert "vfs: Allow userns root to call mknod on owned filesystems." 2018-12-29 13:37:54 +01:00
namespace.c mnt: fix __detach_mounts infinite loop 2018-11-21 09:19:22 +01:00
no-block.c
nsfs.c dcache: sort the freeing-without-RCU-delay mess for good. 2019-05-25 18:23:26 +02:00
open.c access: avoid the RCU grace period for the temporary subjective credentials 2019-07-31 07:27:11 +02:00
pipe.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:20:11 +02:00
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c vfs: avoid problematic remapping requests into partial EOF block 2019-12-01 09:17:04 +01:00
readdir.c
select.c Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
seq_file.c seq_file: fix problem when seeking mid-record 2019-08-25 10:47:43 +02:00
signalfd.c Merge branch 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-16 16:21:50 +09:00
splice.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:20:11 +02:00
stack.c
stat.c
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-11 18:21:39 +02:00
super.c Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
sync.c
timerfd.c Merge branch 'work.aio' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-08-13 20:56:23 -07:00
userfaultfd.c userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx 2019-08-29 08:28:52 +02:00
utimes.c
xattr.c sysfs: Do not return POSIX ACL xattrs via listxattr 2018-09-18 07:30:48 -04:00