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Sungjong Seo 9326a62299 exfat: use updated exfat_chain directly during renaming 
commit 204e6ceaa1 upstream.

In order for a file to access its own directory entry set,
exfat_inode_info(ei) has two copied values. One is ei->dir, which is
a snapshot of exfat_chain of the parent directory, and the other is
ei->entry, which is the offset of the start of the directory entry set
in the parent directory.

Since the parent directory can be updated after the snapshot point,
it should be used only for accessing one's own directory entry set.

However, as of now, during renaming, it could try to traverse or to
allocate clusters via snapshot values, it does not make sense.

This potential problem has been revealed when exfat_update_parent_info()
was removed by commit d8dad2588a ("exfat: fix referencing wrong parent
directory information after renaming"). However, I don't think it's good
idea to bring exfat_update_parent_info() back.

Instead, let's use the updated exfat_chain of parent directory diectly.

Fixes: d8dad2588a ("exfat: fix referencing wrong parent directory information after renaming")
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com>
Tested-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-29 17:28:16 +02:00
..
9p 9p: fix EBADF errors in cached mode 2022-06-29 09:04:26 +02:00
adfs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
affs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
afs netfs: do not unlock and put the folio twice 2022-07-22 10:21:42 +02:00
autofs
befs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
bfs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
btrfs btrfs: zoned: fix a leaked bioc in read_zone_info 2022-07-22 10:21:21 +02:00
cachefiles cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr 2022-04-08 23:32:40 +01:00
ceph netfs: do not unlock and put the folio twice 2022-07-22 10:21:42 +02:00
cifs smb3: workaround negprot bug in some Samba servers 2022-07-22 10:21:42 +02:00
coda Folio changes for 5.18 2022-03-22 17:03:12 -07:00
configfs configfs: fix a race in configfs_{,un}register_subsystem() 2022-02-22 18:30:28 +01:00
cramfs
crypto fs: Remove ->readpages address space operation 2022-04-01 13:45:33 -04:00
debugfs debugfs: Document that debugfs_create functions need not be error checked 2022-02-25 11:56:13 +01:00
devpts fsnotify: fix fsnotify hooks in pseudo filesystems 2022-01-24 14:17:02 +01:00
dlm dlm: fix pending remove if msg allocation fails 2022-07-29 17:28:15 +02:00
ecryptfs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
efivarfs
efs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
erofs erofs: fix 'backmost' member of z_erofs_decompress_frontend 2022-06-14 18:44:57 +02:00
exfat exfat: use updated exfat_chain directly during renaming 2022-07-29 17:28:16 +02:00
exportfs exportfs: support idmapped mounts 2022-06-09 10:30:56 +02:00
ext2 \n 2022-03-25 17:38:15 -07:00
ext4 ext4: add reserved GDT blocks check 2022-06-22 14:28:11 +02:00
f2fs f2fs: do not count ENOENT for error case 2022-06-29 09:04:38 +02:00
fat fat: add ratelimit to fat*_ent_bread() 2022-06-09 10:29:49 +02:00
freevxfs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
fscache fscache: Fix if condition in fscache_wait_on_volume_collision() 2022-07-12 16:42:17 +02:00
fuse fs: Remove ->readpages address space operation 2022-04-01 13:45:33 -04:00
gfs2 gfs2: use i_lock spin_lock for inode qadata 2022-06-09 10:29:47 +02:00
hfs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
hfsplus Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
hostfs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
hpfs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
hugetlbfs hugetlbfs: fix hugetlbfs_statfs() locking 2022-06-09 10:30:31 +02:00
iomap iomap: iomap_write_failed fix 2022-06-09 10:30:08 +02:00
isofs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
jbd2 Fix some syzbot-detected bugs, as well as other bugs found by I/O 2022-04-22 18:18:27 -07:00
jffs2 jffs2: fix memory leak in jffs2_do_fill_super 2022-06-14 18:44:55 +02:00
jfs fs: jfs: fix possible NULL pointer dereference in dbFree() 2022-06-09 10:29:49 +02:00
kernfs kernfs: Separate kernfs_pr_cont_buf and rename_lock. 2022-06-14 18:45:11 +02:00
ksmbd ksmbd: use SOCK_NONBLOCK type for kernel_accept() 2022-07-22 10:21:46 +02:00
lockd lockd: fix nlm_close_files 2022-07-22 10:21:35 +02:00
minix Merge branch 'akpm' (patches from Andrew) 2022-03-24 14:14:07 -07:00
netfs netfs: do not unlock and put the folio twice 2022-07-22 10:21:42 +02:00
nfs NFSv4: Add an fattr allocation to _nfs4_discover_trunking() 2022-07-07 17:54:52 +02:00
nfs_common
nfsd NFSD: Decode NFSv4 birth time attribute 2022-07-22 10:21:35 +02:00
nilfs2 nilfs2: fix incorrect masking of permission flags for symlinks 2022-07-22 10:21:21 +02:00
nls
notify fanotify: refine the validation checks on non-dir inode mask 2022-07-07 17:54:57 +02:00
ntfs ntfs: Correct mark_ntfs_record_dirty() folio conversion 2022-04-01 14:40:44 -04:00
ntfs3 fs/ntfs3: Fix invalid free in log_replay 2022-06-09 10:30:56 +02:00
ocfs2 ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock 2022-06-09 10:30:45 +02:00
omfs fs: Convert __set_page_dirty_buffers to block_dirty_folio 2022-03-16 13:37:04 -04:00
openpromfs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
orangefs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
overlayfs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
proc vmcore: convert copy_oldmem_page() to take an iov_iter 2022-06-29 09:04:36 +02:00
pstore pstore: Don't use semaphores in always-atomic-context code 2022-03-15 11:08:23 -07:00
qnx4 fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
qnx6 fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
quota quota: Prevent memory allocation recursion while holding dq_lock 2022-06-22 14:27:51 +02:00
ramfs
reiserfs \n 2022-03-25 17:38:15 -07:00
romfs fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
smbfs_common smb3: fix ksmbd bigendian bug in oplock break, and move its struct to smbfs_common 2022-03-31 09:38:53 -05:00
squashfs Merge branch 'akpm' (patches from Andrew) 2022-03-22 16:11:53 -07:00
sysfs kobject: kobj_type: remove default_attrs 2022-04-05 15:39:19 +02:00
sysv Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
tracefs tracefs: Set the group ownership in apply_options() not parse_options() 2022-02-25 21:05:04 -05:00
ubifs This pull request contains fixes for JFFS2, UBI and UBIFS 2022-03-31 16:09:41 -07:00
udf udf: Avoid using stale lengthOfImpUse 2022-05-10 13:30:32 +02:00
ufs Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
unicode kbuild: unify cmd_copy and cmd_shipped 2022-02-14 10:37:32 +09:00
vboxsf Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
verity fs: Remove ->readpages address space operation 2022-04-01 13:45:33 -04:00
xfs xfs: reorder iunlink remove operation in xfs_ifree 2022-04-21 08:45:16 +10:00
zonefs zonefs: fix zonefs_iomap_begin() for reads 2022-06-25 15:29:46 +02:00
aio.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2022-04-01 19:57:03 -07:00
anon_inodes.c
attr.c fs: account for group membership 2022-06-22 14:28:10 +02:00
bad_inode.c
binfmt_aout.c
binfmt_elf.c revert "fs/binfmt_elf: use PT_LOAD p_align values for static PIE" 2022-04-15 14:49:56 -07:00
binfmt_elf_fdpic.c coredump: Snapshot the vmas in do_coredump 2022-03-08 12:55:29 -06:00
binfmt_elf_test.c binfmt_elf: Introduce KUnit test 2022-03-03 20:38:56 -08:00
binfmt_flat.c binfmt_flat: do not stop relocating GOT entries prematurely on riscv 2022-06-09 10:29:26 +02:00
binfmt_misc.c Fix regression due to "fs: move binfmt_misc sysctl to its own file" 2022-02-09 09:50:02 -08:00
binfmt_script.c
buffer.c filemap: Remove AOP_FLAG_CONT_EXPAND 2022-04-01 14:40:44 -04:00
char_dev.c
compat_binfmt_elf.c binfmt_elf: Introduce KUnit test 2022-03-03 20:38:56 -08:00
coredump.c ptrace: Cleanups for v5.18 2022-03-28 17:29:53 -07:00
d_path.c
dax.c dax: fix cache flush on PMD-mapped pages 2022-06-09 10:30:28 +02:00
dcache.c mm: dcache: use kmem_cache_alloc_lru() to allocate dentry 2022-03-22 15:57:03 -07:00
direct-io.c block: remove the per-bio/request write hint 2022-03-07 12:45:57 -07:00
drop_caches.c
eventfd.c
eventpoll.c eventpoll: simplify sysctl declaration with register_sysctl() 2022-01-22 08:33:35 +02:00
exec.c fix race between exit_itimers() and /proc/pid/timers 2022-07-22 10:21:18 +02:00
fcntl.c fs: remove fs.f_write_hint 2022-03-08 17:55:03 -07:00
fhandle.c
file.c fs: fix fd table size alignment properly 2022-03-29 23:29:18 -07:00
file_table.c SUNRPC: Ensure we flush any closed sockets before xs_xprt_free() 2022-04-07 16:19:47 -04:00
filesystems.c
fs-writeback.c writeback: Fix inode->i_io_list not be protected by inode->i_lock error 2022-06-14 18:45:18 +02:00
fs_context.c vfs: fs_context: fix up param length parsing in legacy_parse_param 2022-01-18 09:23:19 +02:00
fs_parser.c
fs_pin.c
fs_struct.c
fs_types.c
fsopen.c
init.c
inode.c writeback: Fix inode->i_io_list not be protected by inode->i_lock error 2022-06-14 18:45:18 +02:00
internal.h Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2022-04-01 19:57:03 -07:00
io-wq.c ptrace: Cleanups for v5.18 2022-03-28 17:29:53 -07:00
io-wq.h io_uring: stop using io_wq_work as an fd placeholder 2022-04-11 17:06:20 -06:00
io_uring.c io_uring: fix provided buffer import 2022-07-12 16:42:11 +02:00
ioctl.c Fixes for 5.18-rc1: 2022-04-01 19:35:56 -07:00
Kconfig Folio changes for 5.18 2022-03-22 17:03:12 -07:00
Kconfig.binfmt execve updates for v5.18-rc1 2022-03-21 19:16:02 -07:00
kernel_read_file.c
libfs.c fs: Convert __set_page_dirty_no_writeback to noop_dirty_folio 2022-03-16 13:37:05 -04:00
locks.c fs: move locking sysctls where they are used 2022-01-22 08:33:36 +02:00
Makefile Fix from Christoph Hellwig merging the CONFIG_UNICODE_UTF8_DATA into the 2022-02-01 11:13:24 -08:00
mbcache.c
mount.h
mpage.c for-5.18/alloc-cleanups-2022-03-25 2022-03-26 11:59:30 -07:00
namei.c fs: add two trivial lookup helpers 2022-06-09 10:30:56 +02:00
namespace.c fs: hold writers when changing mount's idmapping 2022-06-09 10:29:42 +02:00
no-block.c
nsfs.c
open.c fs: remove fs.f_write_hint 2022-03-08 17:55:03 -07:00
pipe.c pipe: Fix missing lock in pipe_resize_ring() 2022-06-06 08:48:53 +02:00
pnode.c
pnode.h
posix_acl.c fs: fix acl translation 2022-04-19 10:19:02 -07:00
proc_namespace.c
read_write.c vfs: fix copy_file_range() regression in cross-fs copies 2022-07-07 17:54:52 +02:00
readdir.c
remap_range.c fs/remap: constrain dedupe of EOF blocks 2022-07-22 10:21:21 +02:00
select.c select: Fix indefinitely sleeping task in poll_schedule_timeout() 2022-01-11 09:03:05 -08:00
seq_file.c rxrpc: Fix locking issue 2022-06-09 10:30:19 +02:00
signalfd.c Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
splice.c mm: Convert remove_mapping() to take a folio 2022-03-21 12:59:01 -04:00
stack.c
stat.c stat: fix inconsistency between struct stat and struct compat_stat 2022-04-12 13:35:08 -10:00
statfs.c
super.c vfs: make freeze_super abort when sync_filesystem returns error 2022-01-30 08:59:47 -08:00
sync.c vfs: make sync_filesystem return errors from ->sync_fs 2022-01-30 08:59:47 -08:00
sysctls.c fs: move namespace sysctls and declare fs base directory 2022-01-22 08:33:36 +02:00
timerfd.c
userfaultfd.c userfaultfd: provide unmasked address on page-fault 2022-03-22 15:57:08 -07:00
utimes.c
xattr.c fs: fix acl translation 2022-04-19 10:19:02 -07:00