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Paulo Alcantara 512aa2fd8c cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID 
[ Upstream commit b9ee2e307c6b06384b6f9e393a9b8e048e8fc277 ]

Do not map STATUS_OBJECT_NAME_INVALID to -EREMOTE under non-DFS
shares, or 'nodfs' mounts or CONFIG_CIFS_DFS_UPCALL=n builds.
Otherwise, in the slow path, get a referral to figure out whether it
is an actual DFS link.

This could be simply reproduced under a non-DFS share by running the
following

  $ mount.cifs //srv/share /mnt -o ...
  $ cat /mnt/$(printf '\U110000')
  cat: '/mnt/'$'\364\220\200\200': Object is remote

Fixes: c877ce47e137 ("cifs: reduce roundtrips on create/qinfo requests")
CC: stable@vger.kernel.org # 6.2
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-17 08:50:21 +01:00
..
9p
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
adfs
…
affs
affs: initialize fsdata in affs_truncate()
2023-02-01 08:34:08 +01:00
afs
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
autofs
…
befs
befs: Convert befs_symlink_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
bfs
…
btrfs
btrfs: fix percent calculation for bg reclaim message
2023-03-17 08:50:14 +01:00
cachefiles
cachefiles: use vfs_tmpfile_open() helper
2022-09-24 07:00:00 +02:00
ceph
ceph: update the time stamps and try to drop the suid/sgid
2023-03-10 09:34:25 +01:00
cifs
cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID
2023-03-17 08:50:21 +01:00
coda
coda: Avoid partial allocation of sig_inputArgs
2023-03-10 09:33:52 +01:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2022-12-31 13:32:22 +01:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-10 09:34:09 +01:00
crypto
fscrypt: fix keyring memory leak on mount failure
2022-10-19 20:54:43 -07:00
debugfs
debugfs: fix error when writing negative value to atomic_t debugfs file
2022-12-31 13:31:58 +01:00
devpts
…
dlm
fs: dlm: fix race setting stop tx flag
2023-03-17 08:50:19 +01:00
ecryptfs
whack-a-mole: constifying struct path *
2022-10-06 17:31:02 -07:00
efivarfs
efi: efivars: Fix variable writes without query_variable_store()
2022-10-21 11:09:40 +02:00
efs
…
erofs
erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
2023-03-17 08:50:14 +01:00
exfat
exfat: fix inode->i_blocks for non-512 byte sector size device
2023-03-10 09:34:08 +01:00
exportfs
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
ext2
ext2: unbugger ext2_empty_dir()
2023-01-07 11:11:40 +01:00
ext4
ext4: Fix possible corruption when moving a directory
2023-03-17 08:50:21 +01:00
f2fs
f2fs: synchronize atomic write aborts
2023-03-11 13:55:23 +01:00
fat
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
freevxfs
freevxfs: Convert vxfs_immed_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-02-22 12:59:43 +01:00
fuse
fuse: add inode/permission checks to fileattr_get/fileattr_set
2023-03-10 09:34:24 +01:00
gfs2
gfs2: Improve gfs2_make_fs_rw error handling
2023-03-10 09:33:59 +01:00
hfs
hfs: fix missing hfs_bnode_get() in __hfs_bnode_create
2023-03-10 09:34:07 +01:00
hfsplus
fs: hfsplus: fix UAF issue in hfsplus_put_super
2023-03-10 09:34:07 +01:00
hostfs
hostfs: move from strlcpy with unused retval to strscpy
2022-09-19 22:46:25 +02:00
hpfs
…
hugetlbfs
hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()
2022-12-31 13:33:05 +01:00
iomap
iomap: add a tracepoint for mappings returned by map_blocks
2022-10-02 11:42:19 -07:00
isofs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
jbd2
jbd2: fix data missing when reusing bh which is ready to be checkpointed
2023-03-10 09:34:20 +01:00
jffs2
mtd: always initialize 'stats' in struct mtd_oob_ops
2022-09-21 10:38:07 +02:00
jfs
fs/jfs: fix shift exponent db_agl2size negative
2023-03-11 13:55:16 +01:00
kernfs
kernfs: Fix spurious lockdep warning in kernfs_find_and_get_node_by_id()
2022-11-10 19:03:42 +01:00
ksmbd
ksmbd: fix possible memory leak in smb2_lock()
2023-03-10 09:34:07 +01:00
lockd
lockd: set other missing fields when unlocking files
2022-12-31 13:32:00 +01:00
minix
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
netfs
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
nfs
NFS: fix disabling of swap
2023-03-10 09:33:22 +01:00
nfs_common
…
nfsd
nfsd: don't hand out delegation on setuid files being opened for write
2023-03-10 09:34:01 +01:00
nilfs2
nilfs2: fix underflow in second superblock position calculations
2023-02-22 12:59:49 +01:00
nls
…
notify
Merge tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2022-10-07 08:28:50 -07:00
ntfs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
ntfs3
fs/ntfs3: Validate attribute data and valid sizes
2023-02-09 11:28:26 +01:00
ocfs2
ocfs2: fix non-auto defrag path not working issue
2023-03-10 09:34:09 +01:00
omfs
…
openpromfs
…
orangefs
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
overlayfs
ovl: Use "buf" flexible array for memcpy() destination
2023-02-09 11:28:26 +01:00
proc
mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps
2023-02-09 11:28:20 +01:00
pstore
pstore/zone: Use GFP_ATOMIC to allocate zone buffer
2023-01-04 11:28:59 +01:00
qnx4
…
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
ext4: fix bug_on in __es_tree_search caused by bad quota inode
2023-01-07 11:11:59 +01:00
ramfs
tmpfile API change
2022-10-10 19:45:17 -07:00
reiserfs
reiserfs: Add missing calls to reiserfs_security_free()
2022-12-31 13:33:10 +01:00
romfs
…
smbfs_common
smb3: define missing create contexts
2022-10-05 01:55:27 -05:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-22 12:59:50 +01:00
sysfs
…
sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2022-12-31 13:32:00 +01:00
tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-08 17:10:54 -04:00
ubifs
ubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process
2023-03-11 13:55:21 +01:00
udf
udf: Fix off-by-one error when discarding preallocation
2023-03-17 08:50:19 +01:00
ufs
ufs: replace ll_rw_block()
2022-09-11 20:26:07 -07:00
unicode
…
vboxsf
…
verity
for-6.1-tag
2022-10-06 17:36:48 -07:00
xfs
xfs: rename XFS_REFC_COW_START to _COWFLAG
2022-10-31 08:58:22 -07:00
zonefs
zonefs: Detect append writes at invalid locations
2023-01-24 07:24:33 +01:00
aio.c
aio: fix mremap after fork null-deref
2023-02-22 12:59:46 +01:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
attr: use consistent sgid stripping checks
2023-03-03 11:52:25 +01:00
bad_inode.c
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
binfmt_elf_fdpic.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-18 11:58:12 +01:00
binfmt_elf_test.c
…
binfmt_elf.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-18 11:58:12 +01:00
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-31 13:32:57 +01:00
binfmt_script.c
…
buffer.c
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-31 13:32:41 +01:00
compat_binfmt_elf.c
…
coredump.c
coredump: Move dump_emit_page() to kill unused warning
2023-02-22 12:59:50 +01:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
Merge branch 'for-6.0/dax' into libnvdimm-fixes
2022-09-24 18:14:12 -07:00
dcache.c
tmpfile API change
2022-10-10 19:45:17 -07:00
direct-io.c
block: remove PSI accounting from the bio layer
2022-09-20 08:24:38 -06:00
drop_caches.c
…
eventfd.c
eventfd: provide a eventfd_signal_mask() helper
2023-01-04 11:28:48 +01:00
eventpoll.c
eventpoll: add EPOLL_URING_WAKE poll wakeup flag
2023-01-04 11:28:47 +01:00
exec.c
23 hotfixes.
2022-10-29 17:49:33 -07:00
fcntl.c
…
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
locks: fix TOCTOU race when granting write lease
2022-08-16 10:59:54 -04:00
file.c
fs: prevent out-of-bounds array speculation when closing a file descriptor
2023-03-17 08:50:13 +01:00
filesystems.c
…
fs_context.c
…
fs_parser.c
ext4: journal_path mount options should follow links
2023-01-07 11:11:59 +01:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: do not update freeing inode i_io_list
2022-11-22 17:00:00 -05:00
fsopen.c
…
init.c
…
inode.c
attr: use consistent sgid stripping checks
2023-03-03 11:52:25 +01:00
internal.h
attr: use consistent sgid stripping checks
2023-03-03 11:52:25 +01:00
ioctl.c
…
Kconfig
hugetlb: make hugetlb depends on SYSFS or SYSCTL
2022-09-11 20:26:10 -07:00
Kconfig.binfmt
Xtensa updates for v6.1
2022-10-10 14:21:11 -07:00
kernel_read_file.c
…
libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2022-12-31 13:31:58 +01:00
locks.c
filelock: new helper: vfs_inode_has_locks
2023-01-12 12:02:22 +01:00
Makefile
a.out: Remove the a.out implementation
2022-09-27 07:11:02 -07:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2023-01-07 11:12:02 +01:00
mount.h
…
mpage.c
Folio changes for 6.0
2022-08-03 10:35:43 -07:00
namei.c
vfs: vfs_tmpfile: ensure O_EXCL flag is enforced
2022-11-19 02:22:11 -05:00
namespace.c
fs: require CAP_SYS_ADMIN in target namespace for idmapped mounts
2022-08-17 11:27:11 +02:00
no-block.c
…
nsfs.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
open.c
fs: Use CHECK_DATA_CORRUPTION() when kernel bugs are detected
2023-03-10 09:33:46 +01:00
pipe.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
pnode.c
pnode: terminate at peers of source
2023-01-04 11:29:01 +01:00
pnode.h
…
posix_acl.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
proc_namespace.c
…
read_write.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
2022-08-05 16:32:45 -07:00
select.c
…
seq_file.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
signalfd.c
…
splice.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
stack.c
…
stat.c
vfs: support STATX_DIOALIGN on block devices
2022-09-11 19:47:12 -05:00
statfs.c
…
super.c
fs: Use CHECK_DATA_CORRUPTION() when kernel bugs are detected
2023-03-10 09:33:46 +01:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
mm/userfaultfd: enable writenotify while userfaultfd-wp is enabled for a VMA
2023-01-24 07:24:36 +01:00
utimes.c
…
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2022-12-31 13:31:55 +01:00