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Namjae Jeon d739f2b6d8 ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16() 
commit d10c77873ba1e9e6b91905018e29e196fd5f863d upstream.

If ->NameOffset/Length is bigger than ->CreateContextsOffset/Length,
ksmbd_check_message doesn't validate request buffer it correctly.
So slab-out-of-bounds warning from calling smb_strndup_from_utf16()
in smb2_open() could happen. If ->NameLength is non-zero, Set the larger
of the two sums (Name and CreateContext size) as the offset and length of
the data area.

Reported-by: Yang Chaoming <lometsj@live.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-05 15:13:39 +01:00
..
9p
9p: v9fs_listxattr: fix %s null argument warning
2023-11-28 16:56:19 +00:00
adfs
…
affs
affs: initialize fsdata in affs_truncate()
2023-02-01 08:27:06 +01:00
afs
afs: Fix use-after-free due to get/remove race in volume tree
2024-01-05 15:13:30 +01:00
autofs
autofs: fix memory leak of waitqueues in autofs_catatonic_mode
2023-09-23 11:09:54 +02:00
befs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
bfs
…
btrfs
btrfs: do not allow non subvolume root targets for snapshot
2023-12-20 15:17:41 +01:00
cachefiles
fs: add is_idmapped_mnt() helper
2022-07-02 16:41:14 +02:00
ceph
ceph: fix type promotion bug on 32bit systems
2023-10-19 23:05:36 +02:00
cifs
smb: client: fix OOB in smbCalcSize()
2024-01-05 15:13:38 +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
dlm: fix plock lookup when using multiple lockspaces
2023-09-19 12:22:52 +02:00
ecryptfs
fs: add is_idmapped_mnt() helper
2022-07-02 16:41:14 +02:00
efivarfs
…
efs
…
erofs
erofs: ensure that the post-EOF tails are all zeroed
2023-09-06 21:28:37 +01:00
exfat
exfat: support handle zero-size directory
2023-11-28 16:56:19 +00:00
exportfs
exportfs: support idmapped mounts
2022-06-09 10:23:32 +02:00
ext2
ext2: fix datatype of block number in ext2_xattr_set2()
2023-09-23 11:09:57 +02:00
ext4
ext4: prevent the normalized size from exceeding EXT_MAX_BLOCKS
2023-12-20 15:17:41 +01:00
f2fs
f2fs: avoid format-overflow warning
2023-11-28 16:56:34 +00:00
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: share lookup state between submount and its parent
2024-01-05 15:13:36 +01:00
gfs2
gfs2: Silence "suspicious RCU usage in gfs2_permission" warning
2023-11-28 16:56:22 +00:00
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: update ki_pos a little later in iomap_dio_complete
2023-12-08 08:48:05 +01:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 15:05:50 +01:00
jbd2
jbd2: fix potential data lost in recovering journal raced with synchronizing fs bdev
2023-11-28 16:56:30 +00:00
jffs2
jffs2: reduce stack usage in jffs2_build_xattr_subsystem()
2023-07-23 13:47:34 +02:00
jfs
jfs: fix array-index-out-of-bounds in diAlloc
2023-11-28 16:56:18 +00:00
kernfs
kernfs: fix missing kernfs_idr_lock to remove an ID from the IDR
2023-07-23 13:47:23 +02:00
ksmbd
ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
2024-01-05 15:13:39 +01:00
lockd
fs: lockd: avoid possible wrong NULL parameter
2023-09-19 12:22:43 +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: fix SP4_MACH_CRED protection for pnfs IO
2023-11-28 16:56:21 +00:00
nfs_common
nfs: Fix kerneldoc warning shown up by W=1
2021-10-04 22:02:17 +01:00
nfsd
nfsd: fix file memleak on client_opens_release
2023-11-28 16:56:34 +00:00
nilfs2
nilfs2: prevent WARNING in nilfs_sufile_set_segment_usage()
2023-12-13 18:36:43 +01:00
nls
fs/nls: make load_nls() take a const parameter
2023-09-19 12:22:27 +02:00
notify
fanotify: disallow mount/sb marks on kernel internal pseudo fs
2023-07-23 13:47:36 +02:00
ntfs
ntfs: check overflow when iterating ATTR_RECORDs
2022-11-26 09:24:52 +01:00
ntfs3
fs/ntfs3: Avoid possible memory leak
2023-11-08 17:26:46 +01:00
ocfs2
fs: ocfs2: namei: check return value of ocfs2_add_entry()
2023-09-19 12:22:34 +02:00
omfs
…
openpromfs
…
orangefs
orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()
2022-12-31 13:14:44 +01:00
overlayfs
ima: detect changes to the backing overlay file
2023-11-28 16:56:29 +00:00
proc
proc: sysctl: prevent aliased sysctls from getting passed to init
2023-12-03 07:31:24 +01:00
pstore
pstore/platform: Add check for kstrdup
2023-11-20 11:08:13 +01:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-21 08:36:48 -07:00
qnx6
…
quota
quota: explicitly forbid quota files from being encrypted
2023-11-28 16:56:31 +00:00
ramfs
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
2023-07-23 13:47:33 +02:00
reiserfs
reiserfs: Check the return value from __getblk()
2023-09-19 12:22:30 +02:00
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: Null check to prevent null-ptr-deref bug
2023-08-11 15:13:58 +02:00
tracefs
tracefs: Add missing lockdown check to tracefs_create_dir()
2023-09-23 11:10:02 +02:00
ubifs
ubifs: Fix memory leak in do_rename
2023-05-17 11:50:14 +02:00
udf
udf: initialize newblock to 0
2023-09-19 12:22:53 +02:00
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: skip PKCS#7 parser when keyring is empty
2023-09-19 12:22:52 +02:00
xfs
xfs: Fix unreferenced object reported by kmemleak in xfs_sysfs_init()
2023-11-28 16:56:26 +00:00
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: block mode changes of symlinks
2023-09-23 11:10:01 +02:00
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
fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
2023-10-06 13:18:24 +02:00
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: prevent underflow for eventfd semaphores
2023-09-19 12:22:30 +02:00
eventpoll.c
epoll: ep_autoremove_wake_function should use list_del_init_careful
2023-06-21 15:59:14 +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_table.c
locks: fix TOCTOU race when granting write lease
2022-10-26 12:34:58 +02:00
file.c
file: reinstate f_pos locking optimization for regular files
2023-08-11 15:13:58 +02:00
filesystems.c
fs: simplify get_filesystem_list / get_all_fs_names
2021-08-23 01:25:40 -04:00
fs_context.c
fs: avoid empty option when generating legacy mount string
2023-07-23 13:47:34 +02:00
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, cgroup: switch inodes with dirty timestamps to release dying cgwbs
2023-11-20 11:08:13 +01:00
fsopen.c
…
init.c
…
inode.c
fs: add ctime accessors infrastructure
2023-12-08 08:48:04 +01:00
internal.h
nfs: use vfs setgid helper
2023-08-30 16:18:19 +02:00
ioctl.c
fs: fix an infinite loop in iomap_fiemap
2022-05-25 09:57:26 +02:00
Kconfig
ksmbd: have a dependency on cifs ARC4
2024-01-05 15:13:36 +01:00
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
locks: fix KASAN: use-after-free in trace_event_raw_event_filelock_lock
2023-09-23 11:09:55 +02:00
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
ksmbd: fix racy issue from using ->d_parent and ->d_name
2023-12-23 10:41:55 +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
open: make RESOLVE_CACHED correctly test for O_TMPFILE
2023-08-11 15:13:57 +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
statfs: enforce statfs[64] structure initialization
2023-05-24 17:36:54 +01:00
super.c
fs: Protect reconfiguration of sb read-write from racing writes
2023-08-11 15:13:58 +02:00
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