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Baokun Li b870b28e29 ext4: fix corruption when online resizing a 1K bigalloc fs 
commit 0aeaa2559d upstream.

When a backup superblock is updated in update_backups(), the primary
superblock's offset in the group (that is, sbi->s_sbh->b_blocknr) is used
as the backup superblock's offset in its group. However, when the block
size is 1K and bigalloc is enabled, the two offsets are not equal. This
causes the backup group descriptors to be overwritten by the superblock
in update_backups(). Moreover, if meta_bg is enabled, the file system will
be corrupted because this feature uses backup group descriptors.

To solve this issue, we use a more accurate ext4_group_first_block_no() as
the offset of the backup superblock in its group.

Fixes: d77147ff44 ("ext4: add support for online resizing with bigalloc")
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20221117040341.1380702-4-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-12 11:59:02 +01:00
..
9p 9p: fix a bunch of checkpatch warnings 2022-08-17 14:24:07 +02:00
adfs
affs
afs afs: Fix lost servers_outstanding count 2022-12-31 13:14:45 +01:00
autofs autofs: fix wait name hash calculation in autofs_wait() 2021-10-20 21:09:02 -04:00
befs
bfs
btrfs btrfs: fix resolving backrefs for inline extent followed by prealloc 2023-01-12 11:58:50 +01:00
cachefiles fs: add is_idmapped_mnt() helper 2022-07-02 16:41:14 +02:00
ceph ceph: fix NULL pointer dereference for req->r_session 2022-12-02 17:41:01 +01:00
cifs cifs: fix missing display of three mount options 2023-01-12 11:58:56 +01:00
coda
configfs configfs: fix possible memory leak in configfs_create_dir() 2022-12-31 13:14:15 +01:00
cramfs
crypto fscrypt: fix keyring memory leak on mount failure 2022-11-10 18:15:37 +01:00
debugfs debugfs: fix error when writing negative value to atomic_t debugfs file 2022-12-31 13:14:03 +01:00
devpts fsnotify: fix fsnotify hooks in pseudo filesystems 2022-02-01 17:27:01 +01:00
dlm fs: dlm: retry accept() until -EAGAIN or error returns 2023-01-12 11:58:51 +01:00
ecryptfs fs: add is_idmapped_mnt() helper 2022-07-02 16:41:14 +02:00
efivarfs
efs
erofs erofs: fix order >= MAX_ORDER warning due to crafted negative i_size 2022-12-08 11:28:37 +01:00
exfat exfat: use updated exfat_chain directly during renaming 2022-07-29 17:25:30 +02:00
exportfs exportfs: support idmapped mounts 2022-06-09 10:23:32 +02:00
ext2 ext2: Use kvmalloc() for group descriptor array 2022-10-26 12:35:51 +02:00
ext4 ext4: fix corruption when online resizing a 1K bigalloc fs 2023-01-12 11:59:02 +01:00
f2fs f2fs: allow to read node block after shutdown 2023-01-12 11:58:47 +01:00
fat fat: add ratelimit to fat*_ent_bread() 2022-06-09 10:22:42 +02:00
freevxfs
fscache fscache: Remove an unused static variable 2021-10-04 22:13:12 +01:00
fuse fuse: lock inode unconditionally in fuse_fallocate() 2022-12-02 17:41:11 +01:00
gfs2 gfs2: Switch from strlcpy to strscpy 2022-11-26 09:24:51 +01:00
hfs hfs: fix OOB Read in __hfs_brec_find 2022-12-31 13:14:40 +01:00
hfsplus hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount 2023-01-12 11:58:46 +01:00
hostfs hostfs: support splice_write 2021-08-26 22:28:02 +02:00
hpfs
hugetlbfs hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param() 2022-12-31 13:14:44 +01:00
iomap iomap: iomap_write_failed fix 2022-06-09 10:22:55 +02:00
isofs isofs: Fix out of bound access for corrupted isofs image 2021-11-12 15:05:50 +01:00
jbd2 jbd2: add miss release buffer head in fc_do_one_pass() 2022-10-26 12:34:28 +02:00
jffs2 jffs2: fix memory leak in jffs2_do_fill_super 2022-06-14 18:36:10 +02:00
jfs fs: jfs: fix shift-out-of-bounds in dbDiscardAG 2022-12-31 13:14:40 +01:00
kernfs kernfs: fix use-after-free in __kernfs_remove 2022-11-03 23:59:13 +09:00
ksmbd ksmbd: Fix resource leak in ksmbd_session_rpc_open() 2022-12-31 13:14:31 +01:00
lockd lockd: set other missing fields when unlocking files 2022-12-31 13:14:05 +01:00
minix minix: fix bug when opening a file with O_DIRECT 2022-04-13 20:59:10 +02:00
netfs netfs: fix parameter of cleanup() 2021-12-29 12:28:59 +01:00
nfs NFSv4.x: Fail client initialisation if state manager thread can't run 2022-12-31 13:14:16 +01:00
nfs_common nfs: Fix kerneldoc warning shown up by W=1 2021-10-04 22:02:17 +01:00
nfsd nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure 2022-12-31 13:14:37 +01:00
nilfs2 nilfs2: fix shift-out-of-bounds due to too large exponent of block size 2022-12-31 13:14:40 +01:00
nls
notify fsnotify: fix wrong lockdep annotations 2022-06-09 10:22:50 +02:00
ntfs ntfs: check overflow when iterating ATTR_RECORDs 2022-11-26 09:24:52 +01:00
ntfs3 fs/ntfs3: Fix slab-out-of-bounds in r_page 2023-01-12 11:58:45 +01:00
ocfs2 ocfs2: fix memory leak in ocfs2_stack_glue_init() 2022-12-31 13:14:02 +01:00
omfs
openpromfs
orangefs orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init() 2022-12-31 13:14:44 +01:00
overlayfs ovl: Use ovl mounter's fsuid and fsgid in ovl_link() 2023-01-12 11:58:46 +01:00
proc mm: /proc/pid/smaps_rollup: fix no vma's null-deref 2022-10-29 10:12:58 +02:00
pstore pstore/zone: Use GFP_ATOMIC to allocate zone buffer 2023-01-12 11:58:46 +01:00
qnx4 qnx4: work around gcc false positive warning bug 2021-09-21 08:36:48 -07:00
qnx6
quota ext4: fix bug_on in __es_tree_search caused by bad quota inode 2023-01-12 11:59:01 +01:00
ramfs
reiserfs reiserfs: Add missing calls to reiserfs_security_free() 2022-12-31 13:14:47 +01:00
romfs
smbfs_common cifs: Fix crash on unload of cifs_arc4.ko 2021-12-14 10:57:12 +01:00
squashfs
sysfs
sysv fs: sysv: Fix sysv_nblocks() returns wrong value 2022-12-31 13:14:05 +01:00
tracefs tracefs: Only clobber mode/uid/gid on remount if asked 2022-09-20 12:39:43 +02:00
ubifs ubifs: rename_whiteout: correct old_dir size computing 2022-04-08 14:24:08 +02:00
udf udf: Avoid double brelse() in udf_rename() 2022-12-31 13:14:40 +01:00
ufs
unicode
vboxsf vboxfs: fix broken legacy mount signature checking 2021-09-27 11:26:21 -07:00
verity fs-verity: fix signed integer overflow with i_size near S64_MAX 2021-09-22 10:56:34 -07:00
xfs fs: record I_DIRTY_TIME even if inode already has I_DIRTY_INODE 2022-10-26 12:34:27 +02:00
zonefs zonefs: fix zone report size in __zonefs_io_error() 2022-12-02 17:41:10 +01:00
aio.c aio: Fix incorrect usage of eventfd_signal_allowed() 2021-12-14 10:57:22 +01:00
anon_inodes.c
attr.c vfs: Check the truncate maximum size in inode_newsize_ok() 2022-08-17 14:22:50 +02:00
bad_inode.c
binfmt_aout.c binfmt: a.out: Fix bogus semicolon 2021-09-05 10:15:05 -07:00
binfmt_elf.c fs/binfmt_elf: Fix memory leak in load_elf_binary() 2022-11-03 23:59:12 +09:00
binfmt_elf_fdpic.c binfmt: Fix error return code in load_elf_fdpic_binary() 2023-01-12 11:58:46 +01:00
binfmt_flat.c binfmt_flat: do not stop relocating GOT entries prematurely on riscv 2022-06-09 10:22:26 +02:00
binfmt_misc.c binfmt_misc: fix shift-out-of-bounds in check_special_flags 2022-12-31 13:14:39 +01:00
binfmt_script.c
buffer.c mm: fs: initialize fsdata passed to write_begin/write_end interface 2022-11-26 09:24:51 +01:00
char_dev.c chardev: fix error handling in cdev_device_add() 2022-12-31 13:14:30 +01:00
compat_binfmt_elf.c
coredump.c coredump: Use the vma snapshot in fill_files_note 2022-04-08 14:24:18 +02:00
d_path.c d_path: make 'prepend()' fill up the buffer exactly on overflow 2021-09-02 10:07:29 -07:00
dax.c fsdax: Fix infinite loop in dax_iomap_rw() 2022-09-28 11:11:56 +02:00
dcache.c
direct-io.c
drop_caches.c fs: drop_caches: fix skipping over shadow cache inodes 2021-09-03 09:58:10 -07:00
eventfd.c eventfd: guard wake_up in eventfd fs calls as well 2022-10-26 12:35:49 +02:00
eventpoll.c epoll: autoremove wakers even more aggressively 2022-08-17 14:22:59 +02:00
exec.c exec: Copy oldsighand->action under spin-lock 2022-11-03 23:59:12 +09:00
fcntl.c Merge branch 'akpm' (patches from Andrew) 2021-09-03 10:08:28 -07:00
fhandle.c
file.c fs: use acquire ordering in __fget_light() 2022-12-14 11:37:15 +01:00
file_table.c locks: fix TOCTOU race when granting write lease 2022-10-26 12:34:58 +02:00
filesystems.c
fs-writeback.c fs: do not update freeing inode i_io_list 2022-12-02 17:41:07 +01:00
fs_context.c vfs: fs_context: fix up param length parsing in legacy_parse_param 2022-01-20 09:13:14 +01:00
fs_parser.c namei: Standardize callers of filename_lookup() 2021-09-07 16:07:47 -04:00
fs_pin.c
fs_struct.c
fs_types.c
fsopen.c
init.c
inode.c fs: fix UAF/GPF bug in nilfs_mdt_destroy 2022-10-12 09:53:26 +02:00
internal.h locks: fix TOCTOU race when granting write lease 2022-10-26 12:34:58 +02:00
ioctl.c fs: fix an infinite loop in iomap_fiemap 2022-05-25 09:57:26 +02:00
Kconfig 4 cifs/smb3 fixes, one for DFS reconnect, and one to begin creating common headers for server and client and the other two to rename the cifs_common directory to smbfs_common to be more consistent ie change use of the name cifs to smb which is more accurate 2021-09-12 10:10:21 -07:00
Kconfig.binfmt
kernel_read_file.c vfs: check fd has read access in kernel_read_file_from_fd() 2021-10-18 20:22:03 -10:00
libfs.c libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value 2022-12-31 13:14:03 +01:00
locks.c Revert "memcg: enable accounting for file lock caches" 2021-09-07 11:21:48 -07:00
Makefile io_uring: move to separate directory 2022-12-14 11:37:31 +01:00
mbcache.c mbcache: add functions to delete entry if unused 2022-08-17 14:22:57 +02:00
mount.h
mpage.c
namei.c mm: fs: initialize fsdata passed to write_begin/write_end interface 2022-11-26 09:24:51 +01:00
namespace.c fs: require CAP_SYS_ADMIN in target namespace for idmapped mounts 2022-08-31 17:16:37 +02:00
no-block.c
nsfs.c
open.c locks: fix TOCTOU race when granting write lease 2022-10-26 12:34:58 +02:00
pipe.c pipe: Fix missing lock in pipe_resize_ring() 2022-06-06 08:43:37 +02:00
pnode.c pnode: terminate at peers of source 2023-01-12 11:58:47 +01:00
pnode.h
posix_acl.c fs: fix acl translation 2022-07-02 16:41:17 +02:00
proc_namespace.c fs: add is_idmapped_mnt() helper 2022-07-02 16:41:14 +02:00
read_write.c vfs: fix copy_file_range() averts filesystem freeze protection 2022-12-19 12:36:39 +01:00
readdir.c
remap_range.c fs/remap: constrain dedupe of EOF blocks 2022-07-21 21:24:14 +02:00
select.c select: Fix indefinitely sleeping task in poll_schedule_timeout() 2022-01-29 10:58:25 +01:00
seq_file.c rxrpc: Fix locking issue 2022-07-12 16:35:08 +02:00
signalfd.c signalfd: use wake_up_pollfree() 2021-12-14 10:57:15 +01:00
splice.c Revert "fs: check FMODE_LSEEK to control internal pipe splicing" 2022-10-26 12:34:17 +02:00
stack.c
stat.c stat: fix inconsistency between struct stat and struct compat_stat 2022-04-27 14:38:57 +02:00
statfs.c
super.c fscrypt: fix keyring memory leak on mount failure 2022-11-10 18:15:37 +01:00
sync.c vfs: make sync_filesystem return errors from ->sync_fs 2022-04-27 14:38:50 +02:00
timerfd.c
userfaultfd.c userfaultfd: open userfaultfds with O_RDONLY 2022-10-26 12:34:36 +02:00
utimes.c
xattr.c fs: don't audit the capability check in simple_xattr_list() 2022-12-31 13:14:01 +01:00