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Thorsten BlumandGreg Kroah-Hartman 2f4d88f5e5 smb: server: Fix extension string in ksmbd_extract_shortname() 
commit 8e7d178d06 upstream.

In ksmbd_extract_shortname(), strscpy() is incorrectly called with the
length of the source string (excluding the NUL terminator) rather than
the size of the destination buffer. This results in "__" being copied
to 'extension' rather than "___" (two underscores instead of three).

Use the destination buffer size instead to ensure that the string "___"
(three underscores) is copied correctly.

Cc: stable@vger.kernel.org
Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-15 12:09:06 +02:00
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9p
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adfs
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affs
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afs
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autofs
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befs
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bfs
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btrfs
btrfs: fix assertion when building free space tree
2025-07-17 18:35:21 +02:00
cachefiles
cachefiles: Fix the incorrect return value in __cachefiles_write()
2025-07-24 08:53:16 +02:00
ceph
ceph: fix possible integer overflow in ceph_zero_objects()
2025-07-06 11:00:08 +02:00
coda
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configfs
configfs: Do not override creating attribute file failure in populate_attrs()
2025-06-27 11:08:42 +01:00
cramfs
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crypto
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debugfs
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devpts
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dlm
dlm: make tcp still work in multi-link env
2025-06-04 14:41:57 +02:00
ecryptfs
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efivarfs
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efs
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erofs
erofs: address D-cache aliasing
2025-08-01 09:47:32 +01:00
exfat
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exportfs
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ext2
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ext4
ext4: only dirty folios when data journaling regular files
2025-06-27 11:08:47 +01:00
f2fs
f2fs: fix to trigger foreground gc during f2fs_map_blocks() in lfs mode
2025-08-15 12:08:59 +02:00
fat
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freevxfs
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fscache
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fuse
fuse: fix race between concurrent setattrs from multiple nodes
2025-07-06 11:00:06 +02:00
gfs2
gfs2: No more self recovery
2025-08-15 12:08:40 +02:00
hfs
hfs: make splice write available again
2025-08-15 12:08:40 +02:00
hfsplus
hfsplus: remove mutex_lock check in hfsplus_free_extents
2025-08-15 12:08:40 +02:00
hostfs
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hpfs
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hugetlbfs
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iomap
iomap: skip unnecessary ifs_block_is_uptodate check
2025-05-02 07:51:01 +02:00
isofs
isofs: Verify inode mode when loading from disk
2025-07-24 08:53:13 +02:00
jbd2
jbd2: fix data-race and null-ptr-deref in jbd2_journal_dirty_metadata()
2025-06-27 11:08:44 +01:00
jffs2
jffs2: check jffs2_prealloc_raw_node_refs() result in few other places
2025-06-27 11:08:58 +01:00
jfs
jfs: fix metapage reference count leak in dbAllocCtl
2025-08-15 12:08:56 +02:00
kernfs
kernfs: Relax constraint in draining guard
2025-06-19 15:28:16 +02:00
lockd
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minix
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netfs
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nfs
NFS: Fixup allocation flags for nfsiod's __GFP_NORETRY
2025-08-15 12:09:01 +02:00
nfs_common
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nfsd
nfsd: Initialize ssc before laundromat_work to prevent NULL dereference
2025-06-27 11:08:44 +01:00
nilfs2
nilfs2: reject invalid file types when reading inodes
2025-08-01 09:47:30 +01:00
nls
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notify
fanotify: sanitize handle_type values when reporting fid
2025-08-15 12:08:52 +02:00
ntfs
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ntfs3
Revert "fs/ntfs3: Replace inode_trylock with inode_lock"
2025-08-15 12:08:40 +02:00
ocfs2
ocfs2: fix possible memory leak in ocfs2_finish_quota_recovery
2025-06-19 15:28:23 +02:00
omfs
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openpromfs
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orangefs
fs/orangefs: Allow 2 more characters in do_c_string()
2025-08-15 12:08:55 +02:00
overlayfs
ovl: Check for NULL d_inode() in ovl_dentry_upper()
2025-07-06 11:00:08 +02:00
proc
proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al
2025-08-15 12:08:54 +02:00
pstore
pstore: Change kmsg_bytes storage size to u32
2025-06-04 14:42:11 +02:00
qnx4
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qnx6
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quota
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ramfs
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reiserfs
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romfs
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smb
smb: server: Fix extension string in ksmbd_extract_shortname()
2025-08-15 12:09:06 +02:00
squashfs
Squashfs: check return result of sb_min_blocksize
2025-06-19 15:28:23 +02:00
sysfs
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sysv
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tracefs
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ubifs
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udf
udf: Make sure i_lenExtents is uptodate on inode eviction
2025-05-22 14:12:19 +02:00
ufs
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unicode
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vboxsf
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verity
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xfs
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zonefs
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aio.c
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anon_inodes.c
fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
2025-07-10 16:03:18 +02:00
attr.c
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bad_inode.c
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binfmt_elf_fdpic.c
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binfmt_elf_test.c
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binfmt_elf.c
binfmt_elf: Move brk for static PIE even if ASLR disabled
2025-05-22 14:12:12 +02:00
binfmt_flat.c
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binfmt_misc.c
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binfmt_script.c
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buffer.c
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char_dev.c
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compat_binfmt_elf.c
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coredump.c
coredump: hand a pidfd to the usermode coredump helper
2025-06-04 14:42:24 +02:00
d_path.c
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dax.c
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dcache.c
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direct-io.c
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drop_caches.c
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eventfd.c
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eventpoll.c
eventpoll: don't decrement ep refcount while still holding the ep mutex
2025-07-17 18:35:07 +02:00
exec.c
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fcntl.c
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fhandle.c
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file_table.c
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file.c
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filesystems.c
fs/filesystems: Fix potential unsigned integer underflow in fs_name()
2025-06-19 15:28:43 +02:00
fs_context.c
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fs_parser.c
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fs_pin.c
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fs_struct.c
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fs_types.c
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fs-writeback.c
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fsopen.c
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init.c
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inode.c
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internal.h
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ioctl.c
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Kconfig
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Kconfig.binfmt
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kernel_read_file.c
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libfs.c
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locks.c
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Makefile
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mbcache.c
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mnt_idmapping.c
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mount.h
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mpage.c
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namei.c
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namespace.c
clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns
2025-07-24 08:53:20 +02:00
nsfs.c
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open.c
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pipe.c
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pnode.c
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pnode.h
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posix_acl.c
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proc_namespace.c
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read_write.c
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readdir.c
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remap_range.c
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select.c
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seq_file.c
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signalfd.c
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splice.c
splice: remove duplicate noinline from pipe_clear_nowait
2025-05-02 07:50:45 +02:00
stack.c
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stat.c
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statfs.c
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super.c
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sync.c
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sysctls.c
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timerfd.c
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userfaultfd.c
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utimes.c
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xattr.c
fs/xattr.c: fix simple_xattr_list()
2025-06-27 11:08:57 +01:00