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linux/fs/cifs
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Steve French 94373413e1 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>
History 2023-05-30 14:03:21 +01:00
..
asn1.c cifs: decoding negTokenInit with generic ASN1 decoder 2021-06-20 21:28:17 -05:00
cached_dir.c cifs: fix dentry lookups in directory handle cache 2023-03-30 12:49:21 +02:00
cached_dir.h cifs: drop the lease for cached directories on rmdir or rename 2022-10-19 17:57:41 -05:00
cifs_debug.c cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname 2023-05-11 23:03:41 +09:00
cifs_debug.h cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname 2023-05-11 23:03:41 +09:00
cifs_dfs_ref.c cifs: support nested dfs links over reconnect 2021-11-10 16:30:13 -06:00
cifs_fs_sb.h cifs: support nested dfs links over reconnect 2021-11-10 16:30:13 -06:00
cifs_ioctl.h smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
cifs_spnego.c cifs: use the chans_need_reconnect bitmap for reconnect status 2022-01-02 20:38:46 -06:00
cifs_spnego.h cifs: use the chans_need_reconnect bitmap for reconnect status 2022-01-02 20:38:46 -06:00
cifs_spnego_negtokeninit.asn1 cifs: decoding negTokenInit with generic ASN1 decoder 2021-06-20 21:28:17 -05:00
cifs_swn.c smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
cifs_swn.h cifs: simplify SWN code with dummy funcs instead of ifdefs 2021-04-25 16:28:22 -05:00
cifs_unicode.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
cifs_unicode.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cifs_uniupr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cifsacl.c cifs: Fix uninitialized memory reads for oparms.mode 2023-03-10 09:34:05 +01:00
cifsacl.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
cifsencrypt.c cifs: fix potential memory leaks in session setup 2023-02-01 08:34:32 +01:00
cifsfs.c SMB3: force unmount was failing to close deferred close files 2023-05-17 11:53:44 +02:00
cifsfs.h cifs: fix DFS traversal oops without CONFIG_CIFS_DFS_UPCALL 2023-04-06 12:10:50 +02:00
cifsglob.h SMB3: drop reference to cfile before sending oplock break 2023-05-24 17:32:50 +01:00
cifspdu.h cifs: Replace a couple of one-element arrays with flexible-array members 2022-10-05 17:42:38 -05:00
cifsproto.h cifs: prevent data race in cifs_reconnect_tcon() 2023-04-06 12:10:33 +02:00
cifsroot.c cifs: move from strlcpy with unused retval to strscpy 2022-08-19 11:02:26 -05:00
cifssmb.c cifs: prevent infinite recursion in CIFSGetDFSRefer() 2023-04-06 12:10:50 +02:00
connect.c smb3: fix problem remounting a share after shutdown 2023-05-17 11:53:44 +02:00
dfs_cache.c cifs: fix return of uninitialized rc in dfs_cache_update_tgthint() 2023-02-06 08:06:33 +01:00
dfs_cache.h cifs: support share failover when remounting 2021-07-22 11:43:23 -05:00
dir.c cifs: Fix uninitialized memory reads for oparms.mode 2023-03-10 09:34:05 +01:00
dns_resolve.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
dns_resolve.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
export.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
file.c SMB3: drop reference to cfile before sending oplock break 2023-05-24 17:32:50 +01:00
fs_context.c cifs: mapchars mount option ignored 2023-05-30 14:03:21 +01:00
fs_context.h cifs: sanitize paths in cifs_update_super_prepath. 2023-04-13 16:55:32 +02:00
fscache.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
fscache.h cifs: Remove {cifs,nfs}_fscache_release_page() 2022-08-10 21:26:08 -05:00
inode.c cifs: Fix uninitialized memory reads for oparms.mode 2023-03-10 09:34:05 +01:00
ioctl.c cifs: Fix wrong return value checking when GETFLAGS 2022-11-16 00:21:04 -06:00
Kconfig cifs: Support fscache indexing rewrite 2022-01-19 11:21:08 -06:00
link.c cifs: append path to open_enter trace event 2023-03-30 12:49:20 +02:00
Makefile cifs: Move cached-dir functions into a separate file 2022-08-11 10:33:18 -05:00
misc.c SMB3: Close deferred file handles in case of handle lease break 2023-05-11 23:03:36 +09:00
netlink.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink.h cifs: Register generic netlink family 2020-12-14 09:16:22 -06:00
netmisc.c cifs: remove unused server parameter from calc_smb_size() 2022-08-17 18:07:13 -05:00
nterr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
nterr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
ntlmssp.h treewide: Replace zero-length arrays with flexible-array members 2022-02-17 07:00:39 -06:00
readdir.c cifs: improve symlink handling for smb2+ 2022-10-13 09:36:04 -05:00
rfc1002pdu.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
sess.c cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname 2023-05-11 23:03:41 +09:00
smb1ops.c SMB3: drop reference to cfile before sending oplock break 2023-05-24 17:32:50 +01:00
smb2file.c cifs: don't leak -ENOMEM in smb2_open_file() 2022-12-31 13:32:56 +01:00
smb2glob.h smb3: move defines for ioctl protocol header and SMB2 sizes to smbfs_common 2022-03-26 23:09:20 -05:00
smb2inode.c cifs: append path to open_enter trace event 2023-03-30 12:49:20 +02:00
smb2maperror.c cifs: Create a new shared file holding smb2 pdu definitions 2021-11-05 09:50:57 -05:00
smb2misc.c cifs: avoid unnecessary iteration of tcp sessions 2022-11-04 23:34:40 -05:00
smb2ops.c SMB3: drop reference to cfile before sending oplock break 2023-05-24 17:32:50 +01:00
smb2pdu.c cifs: protect session status check in smb2_reconnect() 2023-05-11 23:03:41 +09:00
smb2pdu.h cifs: improve symlink handling for smb2+ 2022-10-13 09:36:04 -05:00
smb2proto.h smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
smb2status.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
smb2transport.c cifs: avoid race conditions with parallel reconnects 2023-04-06 12:10:34 +02:00
smbdirect.c cifs: Fix warning and UAF when destroy the MR list 2023-03-10 09:33:25 +01:00
smbdirect.h Decrease the number of SMB3 smbdirect client SGEs 2022-10-05 01:29:21 -05:00
smbencrypt.c cifs: rename cifs_common to smbfs_common 2021-09-08 23:59:26 -05:00
smberr.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
trace.c smb3: Cleanup license mess 2019-01-24 09:37:33 -06:00
trace.h cifs: append path to open_enter trace event 2023-03-30 12:49:20 +02:00
transport.c cifs: Move the in_send statistic to __smb_send_rqst() 2023-03-22 13:33:39 +01:00
unc.c cifs: don't cargo-cult strndup() 2021-04-25 16:28:23 -05:00
winucase.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
xattr.c cifs: when insecure legacy is disabled shrink amount of SMB1 code 2022-08-05 11:24:03 -05:00