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Edward Adam Davis 22999936b9 hfsplus: fix uninit-value in copy_name 
[ Upstream commit 0570730c16307a72f8241df12363f76600baf57d ]

[syzbot reported]
BUG: KMSAN: uninit-value in sized_strscpy+0xc4/0x160
 sized_strscpy+0xc4/0x160
 copy_name+0x2af/0x320 fs/hfsplus/xattr.c:411
 hfsplus_listxattr+0x11e9/0x1a50 fs/hfsplus/xattr.c:750
 vfs_listxattr fs/xattr.c:493 [inline]
 listxattr+0x1f3/0x6b0 fs/xattr.c:840
 path_listxattr fs/xattr.c:864 [inline]
 __do_sys_listxattr fs/xattr.c:876 [inline]
 __se_sys_listxattr fs/xattr.c:873 [inline]
 __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873
 x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3877 [inline]
 slab_alloc_node mm/slub.c:3918 [inline]
 kmalloc_trace+0x57b/0xbe0 mm/slub.c:4065
 kmalloc include/linux/slab.h:628 [inline]
 hfsplus_listxattr+0x4cc/0x1a50 fs/hfsplus/xattr.c:699
 vfs_listxattr fs/xattr.c:493 [inline]
 listxattr+0x1f3/0x6b0 fs/xattr.c:840
 path_listxattr fs/xattr.c:864 [inline]
 __do_sys_listxattr fs/xattr.c:876 [inline]
 __se_sys_listxattr fs/xattr.c:873 [inline]
 __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873
 x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
[Fix]
When allocating memory to strbuf, initialize memory to 0.

Reported-and-tested-by: syzbot+efde959319469ff8d4d7@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_8BBB6433BC9E1C1B7B4BDF1BF52574BA8808@qq.com
Reported-and-tested-by: syzbot+01ade747b16e9c8030e0@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-25 09:49:19 +02:00
..
9p
9p: add missing locking around taking dentry fid list
2024-06-16 13:41:37 +02:00
adfs
…
affs
affs: initialize fsdata in affs_truncate()
2023-02-01 08:34:08 +01:00
afs
afs: Don't cross .backup mountpoint from backup volume
2024-06-16 13:41:31 +02:00
autofs
autofs: fix memory leak of waitqueues in autofs_catatonic_mode
2023-09-23 11:10:59 +02:00
befs
…
bfs
…
btrfs
btrfs: qgroup: fix quota root leak after quota disable failure
2024-07-25 09:49:16 +02:00
cachefiles
cachefiles: make on-demand read killable
2024-07-25 09:49:12 +02:00
ceph
ceph: switch to corrected encoding of max_xattr_size in mdsmap
2024-03-15 10:48:13 -04:00
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
blk-crypto: add a blk_crypto_config_supported_natively helper
2023-05-11 23:03:00 +09:00
debugfs
debugfs: fix automount d_fsdata usage
2024-01-20 11:50:04 +01:00
devpts
…
dlm
fs: dlm: don't put dlm_local_addrs on heap
2024-02-16 19:06:29 +01:00
ecryptfs
ecryptfs: Fix buffer size for tag 66 packet
2024-06-12 11:03:04 +02:00
efivarfs
efivarfs: Request at most 512 bytes for variable names
2024-03-06 14:45:11 +00:00
efs
…
erofs
erofs: ensure m_llen is reset to 0 if metadata is invalid
2024-07-25 09:49:18 +02:00
exfat
exfat: support handle zero-size directory
2023-11-28 17:07:00 +00:00
exportfs
exportfs: use pr_debug for unreachable debug statements
2024-03-06 14:45:15 +00:00
ext2
ext2: fix datatype of block number in ext2_xattr_set2()
2023-09-23 11:11:05 +02:00
ext4
ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()
2024-06-16 13:41:40 +02:00
f2fs
f2fs: Add inline to f2fs_build_fault_attr() stub
2024-07-11 12:47:14 +02:00
fat
fat: fix uninitialized field in nostale filehandles
2024-04-03 15:19:27 +02:00
freevxfs
…
fscache
netfs, fscache: Prevent Oops in fscache_put_cache()
2024-01-31 16:17:04 -08:00
fuse
fuse: don't unhash root
2024-04-03 15:19:30 +02:00
gfs2
gfs2: Fix slab-use-after-free in gfs2_qd_dealloc
2024-07-05 09:32:00 +02:00
hfs
hfs: fix missing hfs_bnode_get() in __hfs_bnode_create
2023-03-10 09:34:07 +01:00
hfsplus
hfsplus: fix uninit-value in copy_name
2024-07-25 09:49:19 +02:00
hostfs
hostfs: move from strlcpy with unused retval to strscpy
2022-09-19 22:46:25 +02:00
hpfs
…
hugetlbfs
mm/hugetlb: add hugetlb_folio_subpool() helpers
2024-05-17 11:55:51 +02:00
iomap
iomap: Fix iomap_adjust_read_range for plen calculation
2024-07-25 09:49:12 +02:00
isofs
isofs: handle CDs with bad root inode but good Joliet root directory
2024-04-13 13:05:06 +02:00
jbd2
jbd2: fix soft lockup in journal_finish_inode_data_buffers()
2024-01-20 11:50:07 +01:00
jffs2
jffs2: Fix potential illegal address access in jffs2_free_inode
2024-07-11 12:47:09 +02:00
jfs
jfs: xattr: fix buffer overflow for invalid xattr
2024-06-21 14:35:43 +02:00
kernfs
fs/kernfs/dir: obey S_ISGID
2024-02-05 20:12:58 +00:00
lockd
lockd: fix file selection in nlmsvc_cancel_blocked
2024-03-06 14:45:16 +00:00
minix
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
netfs
netfs: Only call folio_start_fscache() one time for each folio
2023-10-06 14:56:32 +02:00
nfs
nfs: don't invalidate dentries on transient errors
2024-07-25 09:49:12 +02:00
nfs_common
…
nfsd
knfsd: LOOKUP can return an illegal error value
2024-06-21 14:35:55 +02:00
nilfs2
nilfs2: fix kernel bug on rename operation of broken directory
2024-07-18 13:18:42 +02:00
nls
fs/nls: make load_nls() take a const parameter
2023-09-13 09:42:22 +02:00
notify
fanotify: disallow mount/sb marks on kernel internal pseudo fs
2023-07-19 16:22:05 +02:00
ntfs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
ntfs3
fs/ntfs3: Mark volume as dirty if xattr is broken
2024-07-11 12:47:17 +02:00
ocfs2
ocfs2: fix DIO failure due to insufficient transaction credits
2024-07-05 09:31:52 +02:00
omfs
…
openpromfs
openpromfs: finish conversion to the new mount API
2024-06-12 11:03:03 +02:00
orangefs
orangefs: fix out-of-bounds fsid access
2024-07-11 12:47:08 +02:00
overlayfs
ovl: remove upper umask handling from ovl_create_upper()
2024-06-12 11:03:39 +02:00
proc
fs/proc: fix softlockup in __read_vmcore
2024-06-21 14:35:56 +02:00
pstore
pstore/zone: Add a null pointer check to the psz_kmsg_read
2024-04-13 13:04:57 +02:00
qnx4
…
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
quota: Fix rcu annotations of inode dquot pointers
2024-03-26 18:20:47 -04:00
ramfs
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
2023-07-19 16:22:11 +02:00
reiserfs
reiserfs: Check the return value from __getblk()
2023-09-13 09:42:27 +02:00
romfs
…
smb
ksmbd: return FILE_DEVICE_DISK instead of super magic
2024-07-25 09:49:19 +02:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-22 12:59:50 +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: Set page uptodate in the correct place
2024-04-03 15:19:27 +02:00
udf
udf: udftime: prevent overflow in udf_disk_stamp_to_time()
2024-06-27 13:46:17 +02:00
ufs
ufs: replace ll_rw_block()
2022-09-11 20:26:07 -07:00
unicode
…
vboxsf
vboxsf: Avoid an spurious warning if load_nls_xxx() fails
2024-04-10 16:28:25 +02:00
verity
fsverity: skip PKCS#7 parser when keyring is empty
2023-09-13 09:43:03 +02:00
xfs
xfs: short circuit xfs_growfs_data_private() if delta is zero
2024-05-25 16:21:34 +02:00
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
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
binfmt_elf_fdpic.c
fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
2023-10-06 14:57:06 +02:00
binfmt_elf_test.c
…
binfmt_elf.c
mm: always expand the stack with the mmap write lock held
2023-07-01 13:16:25 +02:00
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
…
dax.c
Merge branch 'for-6.0/dax' into libnvdimm-fixes
2022-09-24 18:14:12 -07:00
dcache.c
fs: better handle deep ancestor chains in is_subdir()
2024-07-25 09:49:18 +02:00
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: prevent underflow for eventfd semaphores
2023-09-13 09:42:27 +02:00
eventpoll.c
epoll: be better about file lifetimes
2024-06-12 11:03:03 +02:00
exec.c
exec: Fix NOMMU linux_binprm::exec in transfer_args_to_stack()
2024-04-03 15:19:48 +02:00
fcntl.c
fs: Fix rw_hint validation
2024-03-26 18:20:28 -04:00
fhandle.c
do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
2024-03-26 18:20:27 -04:00
file_table.c
…
file.c
fs/file: fix the check in find_next_fd()
2024-07-25 09:49:12 +02:00
filesystems.c
…
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
filemap: add a per-mapping stable writes flag
2024-01-10 17:10:32 +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
smb: move client and server files to common directory fs/smb
2023-06-28 11:12:40 +02:00
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: Remove locks reliably when fcntl/close race is detected
2024-07-25 09:49:07 +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
rename(): fix the locking of subdirectories
2024-01-31 16:17:02 -08:00
namespace.c
fs: relax mount_setattr() permission checks
2024-02-23 09:12:46 +01:00
no-block.c
…
nsfs.c
…
open.c
ftruncate: pass a signed offset
2024-07-05 09:31:59 +02:00
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
- 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
…
remap_range.c
…
select.c
fs/select: rework stack allocation hack for clang
2024-03-26 18:20:28 -04:00
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
vfs: support STATX_DIOALIGN on block devices
2022-09-11 19:47:12 -05:00
statfs.c
statfs: enforce statfs[64] structure initialization
2023-05-24 17:32:51 +01:00
super.c
fs: Protect reconfiguration of sb read-write from racing writes
2023-08-11 12:08:24 +02:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
Fix userfaultfd_api to return EINVAL as expected
2024-07-18 13:18:41 +02:00
utimes.c
…
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2022-12-31 13:31:55 +01:00