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v6.1.143
linux-yocto/fs
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Gustavo A. R. Silva 479bc674da fs: omfs: Use flexible-array member in struct omfs_extent 
commit 4d8cbf6dbc upstream.

Memory for 'struct omfs_extent' and a 'e_extent_count' number of extent
entries is indirectly allocated through 'bh->b_data', which is a pointer
to data within the page. This implies that the member 'e_entry'
(which is the start of extent entries) functions more like an array than
a single object of type 'struct omfs_extent_entry'.

So we better turn this object into a proper array, in this case a
flexible-array member, and with that, fix the following
-Wstringop-overflow warning seen after building s390 architecture with
allyesconfig (GCC 13):

fs/omfs/file.c: In function 'omfs_grow_extent':
include/linux/fortify-string.h:57:33: warning: writing 16 bytes into a region of size 0 [-Wstringop-overflow=]
   57 | #define __underlying_memcpy     __builtin_memcpy
      |                                 ^
include/linux/fortify-string.h:648:9: note: in expansion of macro '__underlying_memcpy'
  648 |         __underlying_##op(p, q, __fortify_size);                        \
      |         ^~~~~~~~~~~~~
include/linux/fortify-string.h:693:26: note: in expansion of macro '__fortify_memcpy_chk'
  693 | #define memcpy(p, q, s)  __fortify_memcpy_chk(p, q, s,                  \
      |                          ^~~~~~~~~~~~~~~~~~~~
fs/omfs/file.c:170:9: note: in expansion of macro 'memcpy'
  170 |         memcpy(terminator, entry, sizeof(struct omfs_extent_entry));
      |         ^~~~~~
In file included from fs/omfs/omfs.h:8,
                 from fs/omfs/file.c:11:
fs/omfs/omfs_fs.h:80:34: note: at offset 16 into destination object 'e_entry' of size 16
   80 |         struct omfs_extent_entry e_entry;       /* start of extent entries */
      |                                  ^~~~~~~

There are some binary differences before and after changes, but this are
expected due to the change in the size of 'struct omfs_extent' and the
necessary adjusments.

This helps with the ongoing efforts to globally enable
-Wstringop-overflow.

Link: https://github.com/KSPP/linux/issues/330
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-07-06 10:58:03 +02:00
..
9p fs/9p: fix uninitialized values during inode evict 2024-11-22 15:37:34 +01:00
adfs
affs affs: don't write overlarge OFS data block size fields 2025-04-10 14:33:38 +02:00
afs afs: Fix the server_list to unuse a displaced server rather than putting it 2025-03-07 16:56:43 +01:00
autofs autofs: fix memory leak of waitqueues in autofs_catatonic_mode 2023-09-23 11:10:59 +02:00
befs
bfs
btrfs btrfs: update superblock's device bytes_used when dropping chunk 2025-07-06 10:58:01 +02:00
cachefiles cachefiles: Fix NULL pointer dereference in object->file 2025-02-21 13:49:54 +01:00
ceph ceph: fix possible integer overflow in ceph_zero_objects() 2025-07-06 10:57:56 +02:00
coda coda: Avoid partial allocation of sig_inputArgs 2023-03-10 09:33:52 +01:00
configfs configfs: Do not override creating attribute file failure in populate_attrs() 2025-06-27 11:07:25 +01:00
cramfs fs/cramfs/inode.c: initialize file_ra_state 2023-03-10 09:34:09 +01:00
crypto fs: Create a generic is_dot_dotdot() utility 2024-10-17 15:21:17 +02:00
debugfs debugfs: fix automount d_fsdata usage 2024-01-20 11:50:04 +01:00
devpts
dlm dlm: make tcp still work in multi-link env 2025-06-04 14:40:05 +02:00
ecryptfs fs: Create a generic is_dot_dotdot() utility 2024-10-17 15:21:17 +02:00
efivarfs efivarfs: Fix error on non-existent file 2024-12-27 13:52:55 +01:00
efs
erofs erofs: handle NONHEAD !delta[1] lclusters gracefully 2025-01-23 17:17:17 +01:00
exfat exfat: fix the infinite loop in exfat_find_last_cluster() 2025-04-10 14:33:37 +02:00
exportfs exportfs: use pr_debug for unreachable debug statements 2024-03-06 14:45:15 +00:00
ext2 ext2: Verify bitmap and itable block numbers before using them 2024-08-03 08:49:32 +02:00
ext4 ext4: ensure i_size is smaller than maxbytes 2025-06-27 11:07:29 +01:00
f2fs f2fs: don't over-report free space or inodes in statvfs 2025-07-06 10:57:57 +02:00
fat fat: fix uninitialized variable 2024-10-22 15:56:43 +02:00
freevxfs
fscache netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING 2024-12-14 19:53:15 +01:00
fuse fuse: Return EPERM rather than ENOSYS from link() 2025-06-04 14:40:02 +02:00
gfs2 gfs2: move msleep to sleepable context 2025-06-27 11:07:25 +01:00
hfs hfs/hfsplus: fix slab-out-of-bounds in hfs_bnode_read_key 2025-04-25 10:43:53 +02:00
hfsplus hfs/hfsplus: fix slab-out-of-bounds in hfs_bnode_read_key 2025-04-25 10:43:53 +02:00
hostfs
hpfs
hugetlbfs mm/hugetlb: add hugetlb_folio_subpool() helpers 2024-05-17 11:55:51 +02:00
iomap iomap: avoid avoid truncating 64-bit offset to 32 bits 2025-01-23 17:17:12 +01:00
isofs isofs: Prevent the use of too small fid 2025-04-25 10:43:53 +02:00
jbd2 jbd2: fix data-race and null-ptr-deref in jbd2_journal_dirty_metadata() 2025-06-27 11:07:26 +01:00
jffs2 jffs2: check jffs2_prealloc_raw_node_refs() result in few other places 2025-06-27 11:07:36 +01:00
jfs jfs: validate AG parameters in dbMount() to prevent crashes 2025-07-06 10:57:57 +02:00
kernfs kernfs: Relax constraint in draining guard 2025-06-27 11:07:11 +01:00
lockd nfsd: stop setting ->pg_stats for unused stats 2024-08-19 06:00:04 +02:00
minix
netfs netfs: Only call folio_start_fscache() one time for each folio 2023-10-06 14:56:32 +02:00
nfs NFSv4: xattr handlers should check for absent nfs filehandles 2025-07-06 10:57:54 +02:00
nfs_common
nfsd nfsd: Initialize ssc before laundromat_work to prevent NULL dereference 2025-06-27 11:07:26 +01:00
nilfs2 nilfs2: do not propagate ENOENT error from nilfs_btree_propagate() 2025-06-27 11:07:13 +01:00
nls fs/nls: make load_nls() take a const parameter 2023-09-13 09:42:22 +02:00
notify fsnotify: fix sending inotify event with unexpected filename 2024-12-14 19:53:59 +01:00
ntfs
ntfs3 fs/ntfs3: handle hdr_first_de() return value 2025-06-27 11:07:08 +01:00
ocfs2 ocfs2: fix possible memory leak in ocfs2_finish_quota_recovery 2025-06-27 11:07:13 +01:00
omfs fs: omfs: Use flexible-array member in struct omfs_extent 2025-07-06 10:58:03 +02:00
openpromfs openpromfs: finish conversion to the new mount API 2024-06-12 11:03:03 +02:00
orangefs orangefs: Do not truncate file size 2025-06-04 14:40:08 +02:00
overlayfs ovl: Check for NULL d_inode() in ovl_dentry_upper() 2025-07-06 10:57:56 +02:00
proc fs/procfs: fix the comment above proc_pid_wchan() 2025-04-10 14:33:37 +02:00
pstore pstore/blk: trivial typo fixes 2025-02-21 13:48:53 +01:00
qnx4
qnx6
quota quota: flush quota_release_work upon quota writeback 2024-12-14 19:54:10 +01:00
ramfs shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs 2023-07-19 16:22:11 +02:00
reiserfs reiserfs: fix uninit-value in comp_keys 2024-08-29 17:30:20 +02:00
romfs
smb ksmbd: remove unsafe_memcpy use in session setup 2025-07-06 10:58:03 +02:00
squashfs Squashfs: check return result of sb_min_blocksize 2025-06-27 11:07:13 +01:00
sysfs fs: sysfs: Fix reference leak in sysfs_break_active_protection() 2024-04-27 17:07:16 +02:00
sysv sysv: don't call sb_bread() with pointers_lock held 2024-04-13 13:05:05 +02:00
tracefs tracefs: Add missing lockdown check to tracefs_create_dir() 2023-09-23 11:11:12 +02:00
ubifs ubifs: skip dumping tnc tree when zroot is null 2025-02-21 13:49:21 +01:00
udf udf: Fix directory iteration for longer tail extents 2024-12-27 13:53:01 +01:00
ufs
unicode Revert "unicode: Don't special case ignorable code points" 2024-12-14 19:54:50 +01:00
vboxsf vboxsf: fix building with GCC 15 2025-03-28 21:58:51 +01:00
verity fsverity: skip PKCS#7 parser when keyring is empty 2023-09-13 09:43:03 +02:00
xfs xfs: reset rootdir extent size hint after growfsrt 2025-06-27 11:07:20 +01:00
zonefs zonefs: Improve error handling 2024-02-23 09:12:45 +01:00
aio.c fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion 2024-04-03 15:19:42 +02:00
anon_inodes.c
attr.c attr: block mode changes of symlinks 2023-09-23 11:11:10 +02:00
bad_inode.c
binfmt_elf_fdpic.c binfmt: Fix whitespace issues 2025-05-22 14:09:58 +02:00
binfmt_elf_test.c
binfmt_elf.c binfmt_elf: Move brk for static PIE even if ASLR disabled 2025-05-22 14:09:59 +02:00
binfmt_flat.c binfmt_flat: Fix integer overflow bug on 32 bit systems 2025-02-21 13:49:39 +01:00
binfmt_misc.c binfmt_misc: cleanup on filesystem umount 2024-08-29 17:30:30 +02:00
binfmt_script.c
buffer.c
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: hand a pidfd to the usermode coredump helper 2025-06-04 14:40:25 +02:00
d_path.c
dax.c fsdax: dax_unshare_iter needs to copy entire blocks 2024-11-08 16:26:42 +01:00
dcache.c fs: better handle deep ancestor chains in is_subdir() 2024-07-25 09:49:18 +02:00
direct-io.c
drop_caches.c
eventfd.c eventfd: prevent underflow for eventfd semaphores 2023-09-13 09:42:27 +02:00
eventpoll.c epoll: Add synchronous wakeup support for ep_poll_callback 2024-12-27 13:53:01 +01:00
exec.c binfmt: Fix whitespace issues 2025-05-22 14:09:58 +02:00
fcntl.c fs: Fix file_set_fowner LSM hook inconsistencies 2024-10-17 15:21:23 +02:00
fhandle.c do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak 2024-03-26 18:20:27 -04:00
file_table.c fs: fix proc_handler for sysctl_nr_open 2025-02-21 13:48:53 +01:00
file.c fs: consistently deref the files table with rcu_dereference_raw() 2025-04-25 10:43:27 +02:00
filesystems.c fs/filesystems: Fix potential unsigned integer underflow in fs_name() 2025-06-27 11:07:23 +01:00
fs_context.c vfs, security: Fix automount superblock LSM init problem, preventing NFS sb sharing 2023-09-13 09:42:28 +02:00
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 writeback, cgroup: switch inodes with dirty timestamps to release dying cgwbs 2023-11-20 11:51:50 +01:00
fsopen.c
init.c
inode.c fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name 2024-12-14 19:53:13 +01:00
internal.h nfs: use vfs setgid helper 2023-08-30 16:11:10 +02:00
ioctl.c lsm: new security_file_ioctl_compat() hook 2024-01-31 16:17:00 -08:00
Kconfig nfs: add missing selections of CONFIG_CRC32 2025-04-25 10:43:52 +02:00
Kconfig.binfmt
kernel_read_file.c
libfs.c
locks.c filelock: Fix fcntl/close race recovery compat path 2024-07-27 11:32:19 +02:00
Makefile smb: move client and server files to common directory fs/smb 2023-06-28 11:12:40 +02:00
mbcache.c ext4: fix deadlock due to mbcache entry corruption 2023-01-07 11:12:02 +01:00
mount.h
mpage.c
namei.c fuse: don't truncate cached, mutated symlink 2025-03-28 21:58:53 +01:00
namespace.c attach_recursive_mnt(): do not lock the covering tree when sliding something under it 2025-07-06 10:58:00 +02:00
no-block.c
nsfs.c
open.c openat2: explicitly return -E2BIG for (usize > PAGE_SIZE) 2024-11-01 01:56:06 +01:00
pipe.c fs/pipe: Fix lockdep false-positive in watchqueue pipe_write() 2024-04-10 16:28:30 +02:00
pnode.c pnode: terminate at peers of source 2023-01-04 11:29:01 +01:00
pnode.h
posix_acl.c
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
remap_range.c
select.c hrtimer: Use and report correct timerslack values for realtime tasks 2025-03-28 21:58:48 +01:00
seq_file.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
signalfd.c
splice.c mm: merge folio_has_private()/filemap_release_folio() call pairs 2024-01-10 17:10:31 +01:00
stack.c
stat.c
statfs.c statfs: enforce statfs[64] structure initialization 2023-05-24 17:32:51 +01:00
super.c fs: don't allow non-init s_user_ns for filesystems without FS_USERNS_MOUNT 2024-08-03 08:49:53 +02:00
sync.c
sysctls.c
timerfd.c
userfaultfd.c mm/uffd: fix vma operation where start addr cuts part of vma 2025-06-27 11:07:04 +01:00
utimes.c
xattr.c