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linux/fs
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Steve French 5e4bb063dc cifs: mapchars mount option ignored 
commit cb8b02fd63 upstream.

There are two ways that special characters (not allowed in some
other operating systems like Windows, but allowed in POSIX) have
been mapped in the past ("SFU" and "SFM" mappings) to allow them
to be stored in a range reserved for special chars. The default
for Linux has been to use "mapposix" (ie the SFM mapping) but
the conversion to the new mount API in the 5.11 kernel broke
the ability to override the default mapping of the reserved
characters (like '?' and '*' and '\') via "mapchars" mount option.

This patch fixes that - so can now mount with "mapchars"
mount option to override the default ("mapposix" ie SFM) mapping.

Reported-by: Tyler Spivey <tspivey8@gmail.com>
Fixes: 24e0a1eff9 ("cifs: switch to new mount api")
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-30 13:55:32 +01:00
..
9p 9p: fix a bunch of checkpatch warnings 2022-08-17 14:24:07 +02:00
adfs
affs affs: initialize fsdata in affs_truncate() 2023-02-01 08:27:06 +01:00
afs afs: Fix updating of i_size with dv jump from server 2023-05-11 23:00:38 +09:00
autofs autofs: fix wait name hash calculation in autofs_wait() 2021-10-20 21:09:02 -04:00
befs isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
bfs
btrfs btrfs: use nofs when cleaning up aborted transactions 2023-05-30 13:55:30 +01:00
cachefiles fs: add is_idmapped_mnt() helper 2022-07-02 16:41:14 +02:00
ceph ceph: force updating the msg pointer in non-split case 2023-05-24 17:36:55 +01:00
cifs cifs: mapchars mount option ignored 2023-05-30 13:55:32 +01:00
coda coda: Avoid partial allocation of sig_inputArgs 2023-03-10 09:39:50 +01:00
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: start midcomms before scand 2023-03-17 08:48:50 +01:00
ecryptfs fs: add is_idmapped_mnt() helper 2022-07-02 16:41:14 +02:00
efivarfs
efs
erofs erofs: fix potential overflow calculating xattr_isize 2023-05-11 23:00:20 +09:00
exfat exfat: fix inode->i_blocks for non-512 byte sector size device 2023-03-10 09:39:58 +01:00
exportfs exportfs: support idmapped mounts 2022-06-09 10:23:32 +02:00
ext2 ext2: Check block size validity during mount 2023-05-24 17:36:44 +01:00
ext4 ext4: Fix best extent lstart adjustment logic in ext4_mb_new_inode_pa() 2023-05-24 17:36:45 +01:00
f2fs f2fs: fix to check readonly condition correctly 2023-05-24 17:36:45 +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: fix deadlock between atomic O_TRUNC and page invalidation 2023-04-26 13:51:54 +02:00
gfs2 gfs2: Fix inode height consistency check 2023-05-24 17:36:45 +01:00
hfs hfs: fix missing hfs_bnode_get() in __hfs_bnode_create 2023-03-10 09:39:57 +01:00
hfsplus fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode() 2023-05-24 17:36:43 +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 jdb2: Don't refuse invalidation of already invalidated buffers 2023-05-11 23:00:29 +09:00
jffs2 jffs2: correct logic when creating a hole in jffs2_write_begin 2023-03-22 13:31:30 +01:00
jfs fs/jfs: fix shift exponent db_agl2size negative 2023-03-11 13:57:22 +01:00
kernfs kernfs: fix use-after-free in __kernfs_remove 2022-11-03 23:59:13 +09:00
ksmbd ksmbd: fix global-out-of-bounds in smb2_find_context_vals 2023-05-24 17:36:54 +01:00
lockd lockd: set file_lock start and end when decoding nlm4 testargs 2023-03-30 12:47:56 +02:00
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 NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease 2023-05-11 23:00:36 +09:00
nfs_common nfs: Fix kerneldoc warning shown up by W=1 2021-10-04 22:02:17 +01:00
nfsd NFSD: callback request does not use correct credential for AUTH_SYS 2023-04-13 16:48:19 +02:00
nilfs2 nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode() 2023-05-24 17:36:55 +01:00
nls
notify inotify: Avoid reporting event with invalid wd 2023-05-17 11:50:22 +02:00
ntfs ntfs: check overflow when iterating ATTR_RECORDs 2022-11-26 09:24:52 +01:00
ntfs3 fs/ntfs3: Fix a possible null-pointer dereference in ni_clear() 2023-05-24 17:36:47 +01:00
ocfs2 ocfs2: Switch to security_inode_init_security() 2023-05-30 13:55:29 +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 "buf" flexible array for memcpy() destination 2023-02-09 11:26:47 +01:00
proc mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps 2023-02-09 11:26:44 +01:00
pstore pstore: Revert pmsg_lock back to a normal mutex 2023-05-11 23:00:31 +09:00
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 security prefix to xattr name in reiserfs_security_write() 2023-05-11 23:00:17 +09:00
romfs
smbfs_common cifs: Fix crash on unload of cifs_arc4.ko 2021-12-14 10:57:12 +01:00
squashfs revert "squashfs: harden sanity check in squashfs_read_xattr_id_table" 2023-02-22 12:57:07 +01:00
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: Fix memory leak in do_rename 2023-05-17 11:50:14 +02:00
udf udf: Fix off-by-one error when discarding preallocation 2023-03-17 08:48:50 +01:00
ufs isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
unicode
vboxsf vboxfs: fix broken legacy mount signature checking 2021-09-27 11:26:21 -07:00
verity fsverity: don't drop pagecache at end of FS_IOC_ENABLE_VERITY 2023-04-05 11:24:51 +02:00
xfs xfs: don't consider future format versions valid 2023-05-11 23:00:18 +09:00
zonefs zonefs: Fix error message in zonefs_file_dio_append() 2023-04-05 11:25:01 +02:00
aio.c aio: fix mremap after fork null-deref 2023-02-22 12:57:05 +01:00
anon_inodes.c
attr.c attr: use consistent sgid stripping checks 2023-03-17 08:49:01 +01:00
bad_inode.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
binfmt_aout.c binfmt: a.out: Fix bogus semicolon 2021-09-05 10:15:05 -07:00
binfmt_elf_fdpic.c binfmt: Fix error return code in load_elf_fdpic_binary() 2023-01-12 11:58:46 +01:00
binfmt_elf.c fs/binfmt_elf: Fix memory leak in load_elf_binary() 2022-11-03 23:59:12 +09:00
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: provide a eventfd_signal_mask() helper 2023-01-24 07:22:43 +01:00
eventpoll.c eventpoll: add EPOLL_URING_WAKE poll wakeup flag 2023-01-24 07:22:43 +01:00
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_table.c locks: fix TOCTOU race when granting write lease 2022-10-26 12:34:58 +02:00
file.c fs: prevent out-of-bounds array speculation when closing a file descriptor 2023-03-17 08:48:47 +01:00
filesystems.c fs: simplify get_filesystem_list / get_all_fs_names 2021-08-23 01:25:40 -04:00
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
fs-writeback.c writeback: fix call of incorrect macro 2023-05-17 11:50:16 +02:00
fsopen.c
init.c
inode.c attr: use consistent sgid stripping checks 2023-03-17 08:49:01 +01:00
internal.h attr: use consistent sgid stripping checks 2023-03-17 08:49:01 +01:00
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 filelocks: use mount idmapping for setlease permission check 2023-03-17 08:49:02 +01:00
Makefile io_uring: move to separate directory 2022-12-14 11:37:31 +01:00
mbcache.c mbcache: Avoid nesting of cache->c_list_lock under bit locks 2023-01-12 11:59:20 +01:00
mount.h
mpage.c
namei.c fs: move S_ISGID stripping into the vfs_*() helpers 2023-03-17 08:49:00 +01:00
namespace.c fs: drop peer group ids under namespace lock 2023-04-13 16:48:25 +02:00
no-block.c
nsfs.c
open.c attr: use consistent sgid stripping checks 2023-03-17 08:49:01 +01:00
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 statfs: enforce statfs[64] structure initialization 2023-05-24 17:36:54 +01:00
super.c fscrypt: destroy keyring after security_sb_delete() 2023-03-30 12:47:56 +02:00
sync.c vfs: make sync_filesystem return errors from ->sync_fs 2022-04-27 14:38:50 +02:00
timerfd.c timerfd: Provide timerfd_resume() 2021-08-10 17:57:22 +02:00
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