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Linus Torvalds 231825b2e1 Revert "unicode: Don't special case ignorable code points" 
This reverts commit 5c26d2f1d3.

It turns out that we can't do this, because while the old behavior of
ignoring ignorable code points was most definitely wrong, we have
case-folding filesystems with on-disk hash values with that wrong
behavior.

So now you can't look up those names, because they hash to something
different.

Of course, it's also entirely possible that in the meantime people have
created *new* files with the new ("more correct") case folding logic,
and reverting will just make other things break.

The correct solution is to not do case folding in filesystems, but
sadly, people seem to never really understand that.  People still see it
as a feature, not a bug.

Reported-by: Qi Han <hanqi@vivo.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219586
Cc: Gabriel Krisman Bertazi <krisman@suse.de>
Requested-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-12-11 14:11:23 -08:00
..
9p fs/9p: replace functions v9fs_cache_{register|unregister} with direct calls 2024-11-16 17:23:19 +09:00
adfs Merge patch series "adfs, affs, befs, hfs, hfsplus: convert to new mount api" 2024-10-08 14:41:53 +02:00
affs Merge patch series "adfs, affs, befs, hfs, hfsplus: convert to new mount api" 2024-10-08 14:41:53 +02:00
afs vfs-6.12-rc6.fixes 2024-11-01 07:37:10 -10:00
autofs autofs: fix thinko in validate_dev_ioctl() 2024-10-28 13:16:56 +01:00
bcachefs - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
befs befs: convert befs to use the new mount api 2024-09-18 11:44:43 +02:00
bfs fs: Convert aops->write_begin to take a folio 2024-08-07 11:33:21 +02:00
btrfs for-6.13-rc2-tag 2024-12-10 18:18:01 -08:00
cachefiles cachefiles: Fix NULL pointer dereference in object->file 2024-11-11 14:39:38 +01:00
ceph A fix for the mount "device" string parser from Patrick and two cred 2024-11-30 10:22:38 -08:00
coda coda: use param->file for FSCONFIG_SET_FD 2024-08-19 13:45:03 +02:00
configfs configfs: improve item creation performance 2024-11-14 07:45:20 +01:00
cramfs vfs-6.11.module.description 2024-07-15 11:14:59 -07:00
crypto Random number generator updates for Linux 6.13-rc1. 2024-11-19 10:43:44 -08:00
debugfs debugfs: add small file operations for most files 2024-10-23 16:47:01 +02:00
devpts
dlm dlm: fix dlm_recover_members refcount on error 2024-11-18 10:05:57 -06:00
ecryptfs vfs-6.13.ecryptfs.mount.api 2024-11-26 13:39:02 -08:00
efivarfs module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
efs efs: fix the efs new mount api implementation 2024-10-15 15:58:36 +02:00
erofs erofs: handle NONHEAD !delta[1] lclusters gracefully 2024-11-18 18:50:14 +08:00
exfat exfat: reduce FAT chain traversal 2024-11-25 17:08:27 +09:00
exportfs fs: prepare for "explicit connectable" file handles 2024-11-15 11:34:57 +01:00
ext2 vfs-6.12.file 2024-09-16 09:14:02 +02:00
ext4 A lot of miscellaneous ext4 bug fixes and cleanups this cycle, most 2024-11-18 16:32:58 -08:00
f2fs f2fs-for-6.13-rc1 2024-11-26 12:50:58 -08:00
fat fat: fix uninitialized variable 2024-10-17 00:28:06 -07:00
freevxfs freevxfs: Replace one-element array with flexible array member 2024-11-06 10:42:06 +01:00
fuse virtio: features, fixes, cleanups 2024-11-27 13:11:58 -08:00
gfs2 gfs2 changes 2024-11-26 12:34:50 -08:00
hfs hfs: convert hfs to use the new mount api 2024-10-08 14:41:46 +02:00
hfsplus vfs-6.13.misc 2024-11-18 09:35:30 -08:00
hostfs hostfs: Fix the NULL vs IS_ERR() bug for __filemap_get_folio() 2024-11-15 20:55:32 +01:00
hpfs hpfs: convert hpfs to use the new mount api 2024-10-08 14:41:53 +02:00
hugetlbfs arm64: mte: set VM_MTE_ALLOWED for hugetlbfs at correct place 2024-12-02 11:48:14 +00:00
iomap Merge branch 'ovl.fixes' 2024-11-26 18:15:06 +01:00
isofs isofs: avoid memory leak in iocharset 2024-11-06 20:24:41 +01:00
jbd2 jbd2: Fix comment describing journal_init_common() 2024-11-13 12:56:48 -05:00
jffs2 jffs2: Fix rtime decompressor 2024-12-05 12:31:40 +01:00
jfs A few more patches to add sanity checks in jfs 2024-11-21 09:59:59 -08:00
kernfs
lockd NFSD 6.13 Release Notes 2024-11-26 12:59:30 -08:00
minix buffer: Convert __block_write_begin() to take a folio 2024-08-07 11:33:36 +02:00
netfs fscache: Remove duplicate included header 2024-11-21 09:35:25 +01:00
nfs NFS client updates for Linux 6.13 2024-11-30 10:17:53 -08:00
nfs_common nfs_common: must not hold RCU while calling nfsd_file_put_local 2024-11-18 20:23:12 -05:00
nfsd NFSD 6.13 Release Notes 2024-11-26 12:59:30 -08:00
nilfs2 nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry() 2024-12-05 19:54:43 -08:00
nls move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
notify \n 2024-11-21 09:55:45 -08:00
ntfs3 fs/ntfs3: Accumulated refactoring changes 2024-11-01 11:19:53 +03:00
ocfs2 ocfs2: update seq_file index in ocfs2_dlm_seq_next 2024-12-05 19:54:45 -08:00
omfs fs: Convert aops->write_begin to take a folio 2024-08-07 11:33:21 +02:00
openpromfs
orangefs move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
overlayfs overlayfs updates for 6.13 2024-11-22 20:55:42 -08:00
proc fs/proc/vmcore.c: fix warning when CONFIG_MMU=n 2024-12-05 19:54:42 -08:00
pstore Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
qnx4
qnx6 qnx6: Convert directory handling to use kmap_local 2024-08-07 11:31:56 +02:00
quota quota: flush quota_release_work upon quota writeback 2024-11-26 22:54:00 +01:00
ramfs
romfs romfs: fix romfs_read_folio() 2024-08-21 22:32:58 +02:00
smb four SMB3 client fixes, also for stable 2024-12-07 17:27:25 -08:00
squashfs Squashfs: fix variable overflow in squashfs_readpage_block 2024-10-30 20:14:12 -07:00
sysfs sysfs: bin_attribute: add const read/write callback variants 2024-11-05 14:00:28 +01:00
sysv buffer: Convert __block_write_begin() to take a folio 2024-08-07 11:33:36 +02:00
tests execve: Move KUnit tests to tests/ subdirectory 2024-07-22 18:25:47 -07:00
tracefs tracing: Fix tracefs mount options 2024-11-01 08:38:14 -04:00
ubifs This pull request contains updates for JFFS2, UBI and UBIFS: 2024-11-30 10:32:47 -08:00
udf udf: Verify inode link counts before performing rename 2024-11-26 22:54:24 +01:00
ufs ufs: ufs_sb_private_info: remove unused s_{2,3}apb fields 2024-11-12 19:02:12 -05:00
unicode Revert "unicode: Don't special case ignorable code points" 2024-12-11 14:11:23 -08:00
vboxsf fs: Convert aops->write_end to take a folio 2024-08-07 11:32:02 +02:00
verity fsverity: expose verified fsverity built-in signatures to LSMs 2024-08-20 14:03:18 -04:00
xfs Bug fixes for 6.13-rc2 2024-12-03 10:46:49 -08:00
zonefs zonefs fixes for 6.12-rc2 2024-10-02 12:02:15 -07:00
aio.c A rather large update for timekeeping and timers: 2024-11-19 16:35:06 -08:00
anon_inodes.c
attr.c fs: handle delegated timestamps in setattr_copy_mgtime 2024-10-10 10:20:51 +02:00
backing-file.c fs/backing_file: fix wrong argument in callback 2024-11-26 18:13:29 +01:00
bad_inode.c
binfmt_elf_fdpic.c Revert "fs: don't block i_writecount during exec" 2024-11-27 12:51:30 +01:00
binfmt_elf.c Revert "fs: don't block i_writecount during exec" 2024-11-27 12:51:30 +01:00
binfmt_flat.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
binfmt_misc.c Revert "fs: don't block i_writecount during exec" 2024-11-27 12:51:30 +01:00
binfmt_script.c
bpf_fs_kfuncs.c bpf: Add kfunc bpf_get_dentry_xattr() to read xattr from dentry 2024-08-07 11:26:54 -07:00
buffer.c - The series "zram: optimal post-processing target selection" from 2024-11-23 09:58:07 -08:00
char_dev.c fs: Reorganize kerneldoc parameter names 2024-10-22 11:16:57 +02:00
compat_binfmt_elf.c binfmt_elf: Wire up AT_HWCAP3 at AT_HWCAP4 2024-10-17 18:38:49 +01:00
coredump.c coredump: add cond_resched() to dump_user_range 2024-10-22 11:16:58 +02:00
d_path.c
dax.c fsdax: dax_unshare_iter needs to copy entire blocks 2024-10-07 13:51:47 +02:00
dcache.c - The series "zram: optimal post-processing target selection" from 2024-11-23 09:58:07 -08:00
direct-io.c fs/direct-io: Remove linux/prefetch.h include 2024-08-19 13:45:02 +02:00
drop_caches.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
eventfd.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
eventpoll.c Networking changes for 6.13. 2024-11-21 08:28:08 -08:00
exec.c Revert "fs: don't block i_writecount during exec" 2024-11-27 12:51:30 +01:00
fcntl.c fs: require inode_owner_or_capable for F_SET_RW_HINT 2024-11-25 15:16:49 +01:00
fhandle.c vfs-6.13.exportfs 2024-11-26 13:26:15 -08:00
file_table.c Merge branch 'work.fdtable' into vfs.file 2024-10-30 09:58:02 +01:00
file.c vfs-6.13.file 2024-11-18 10:30:29 -08:00
filesystems.c
fs_context.c
fs_parser.c vfs-6.13.ovl 2024-11-18 10:45:06 -08:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c Merge patch series "two little writeback cleanups v2" 2024-11-13 14:08:34 +01:00
fsopen.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
init.c
inode.c - The series "zram: optimal post-processing target selection" from 2024-11-23 09:58:07 -08:00
internal.h sanitize struct filename and lookup flags handling in statx 2024-11-18 14:54:10 -08:00
ioctl.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
Kconfig reiserfs: The last commit 2024-10-21 16:29:38 +02:00
Kconfig.binfmt
kernel_read_file.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
libfs.c sanitize struct filename and lookup flags handling in statx 2024-11-18 14:54:10 -08:00
locks.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
Makefile reiserfs: The last commit 2024-10-21 16:29:38 +02:00
mbcache.c
mnt_idmapping.c fuse update for 6.12 2024-09-24 15:29:42 -07:00
mount.h vfs-6.12.mount 2024-09-16 11:15:26 +02:00
mpage.c fs/writeback: convert wbc_account_cgroup_owner to take a folio 2024-10-28 13:26:54 +01:00
namei.c sanitize xattr and io_uring interactions with it, 2024-11-18 12:44:25 -08:00
namespace.c statmount: fix security option retrieval 2024-11-21 09:35:31 +01:00
nsfs.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
open.c \n 2024-11-21 09:55:45 -08:00
pidfs.c pidfd: add ioctl to retrieve pid info 2024-10-24 13:54:51 +02:00
pipe.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
pnode.c
pnode.h
posix_acl.c acl: Annotate struct posix_acl with __counted_by() 2024-10-22 11:16:59 +02:00
proc_namespace.c
read_write.c the bulk of struct fd memory safety stuff 2024-11-18 12:24:06 -08:00
readdir.c introduce "fd_pos" class, convert fdget_pos() users to it. 2024-11-03 01:28:06 -05:00
remap_range.c convert vfs_dedupe_file_range(). 2024-11-03 01:28:07 -05:00
select.c do_pollfd(): convert to CLASS(fd) 2024-11-03 01:28:07 -05:00
seq_file.c fs: Reorganize kerneldoc parameter names 2024-10-22 11:16:57 +02:00
signalfd.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
splice.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
stack.c
stat.c sanitize struct filename and lookup flags handling in statx 2024-11-18 14:54:10 -08:00
statfs.c fdget_raw() users: switch to CLASS(fd_raw) 2024-11-03 01:28:06 -05:00
super.c fs/super.c: introduce get_tree_bdev_flags() 2024-10-21 14:30:26 +02:00
sync.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
sysctls.c
timerfd.c A rather large update for timekeeping and timers: 2024-11-19 16:35:06 -08:00
userfaultfd.c fork: do not invoke uffd on fork if error occurs 2024-10-28 21:40:38 -07:00
utimes.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
xattr.c xattr: remove redundant check on variable err 2024-11-06 13:00:01 -05:00