bianbu-linux-6.6/fs
Edward Adam Davis f08956d8e0 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 09:50:56 +02:00
..
9p 9p: add missing locking around taking dentry fid list 2024-06-16 13:47:37 +02:00
adfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
affs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
afs afs: Don't cross .backup mountpoint from backup volume 2024-06-16 13:47:30 +02:00
autofs v6.6-vfs.autofs 2023-08-28 11:39:14 -07:00
befs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
bfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
btrfs btrfs: qgroup: fix quota root leak after quota disable failure 2024-07-25 09:50:51 +02:00
cachefiles cachefiles: make on-demand read killable 2024-07-25 09:50:45 +02:00
ceph ceph: redirty page before returning AOP_WRITEPAGE_ACTIVATE 2024-04-27 17:11:29 +02:00
coda v6.6-vfs.ctime 2023-08-28 09:31:32 -07:00
configfs configfs: convert to ctime accessor functions 2023-07-13 10:28:05 +02:00
cramfs v6.6-vfs.super 2023-08-28 11:04:18 -07:00
crypto fscrypt: Replace 1-element array with flexible array 2023-05-23 19:46:09 -07:00
debugfs debugfs: fix automount d_fsdata usage 2024-01-20 11:51:37 +01:00
devpts v6.6-vfs.misc 2023-08-28 10:17:14 -07:00
dlm dlm: fix user space lock decision to copy lvb 2024-06-12 11:11:38 +02:00
ecryptfs ecryptfs: Fix buffer size for tag 66 packet 2024-06-12 11:11:31 +02:00
efivarfs efivarfs: Request at most 512 bytes for variable names 2024-03-06 14:48:41 +00:00
efs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
erofs erofs: ensure m_llen is reset to 0 if metadata is invalid 2024-07-25 09:50:54 +02:00
exfat exfat: support handle zero-size directory 2023-11-28 17:19:44 +00:00
exportfs exportfs: remove kernel-doc warnings in exportfs 2023-08-29 17:45:22 -04:00
ext2 quota: Properly annotate i_dquot arrays with __rcu 2024-03-26 18:19:46 -04:00
ext4 ext4: avoid ptr null pointer dereference 2024-07-18 13:21:25 +02:00
f2fs f2fs: Add inline to f2fs_build_fault_attr() stub 2024-07-11 12:49:15 +02:00
fat fat: fix uninitialized field in nostale filehandles 2024-04-03 15:28:20 +02:00
freevxfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
fscache netfs, fscache: Prevent Oops in fscache_put_cache() 2024-01-31 16:19:01 -08:00
fuse fuse: fix leaked ENOSYS error on first statx call 2024-04-27 17:11:42 +02:00
gfs2 gfs2: Fix NULL pointer dereference in gfs2_log_flush 2024-07-05 09:33:52 +02:00
hfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
hfsplus hfsplus: fix uninit-value in copy_name 2024-07-25 09:50:56 +02:00
hostfs hostfs: convert to ctime accessor functions 2023-07-24 10:30:00 +02:00
hpfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
hugetlbfs mm: hugetlb pages should not be reserved by shmat() if SHM_NORESERVE 2024-02-23 09:25:16 +01:00
iomap iomap: Fix iomap_adjust_read_range for plen calculation 2024-07-25 09:50:46 +02:00
isofs isofs: handle CDs with bad root inode but good Joliet root directory 2024-04-13 13:07:34 +02:00
jbd2 jbd2: fix soft lockup in journal_finish_inode_data_buffers() 2024-01-20 11:51:43 +01:00
jffs2 jffs2: Fix potential illegal address access in jffs2_free_inode 2024-07-11 12:49:09 +02:00
jfs jfs: xattr: fix buffer overflow for invalid xattr 2024-06-21 14:38:24 +02:00
kernfs kernfs: RCU protect kernfs_nodes and avoid kernfs_idr_lock in kernfs_find_and_get_node_by_id() 2024-04-13 13:07:38 +02:00
lockd SUNRPC: Add enum svc_auth_status 2023-08-29 17:45:22 -04:00
minix for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
netfs netfs: Only call folio_start_fscache() one time for each folio 2023-09-18 12:03:46 -07:00
nfs nfs: don't invalidate dentries on transient errors 2024-07-25 09:50:45 +02:00
nfs_common NFSv4.2: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:52 -07:00
nfsd knfsd: LOOKUP can return an illegal error value 2024-06-21 14:38:40 +02:00
nilfs2 nilfs2: fix kernel bug on rename operation of broken directory 2024-07-18 13:21:25 +02:00
nls nls: Hide new NLS_UCS2_UTILS 2023-08-31 12:07:34 -05:00
notify fanotify: limit reporting of event with non-decodeable file handles 2023-10-19 16:19:20 +02:00
ntfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
ntfs3 fs/ntfs3: Mark volume as dirty if xattr is broken 2024-07-11 12:49:19 +02:00
ocfs2 ocfs2: fix DIO failure due to insufficient transaction credits 2024-07-05 09:33:54 +02:00
omfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
openpromfs openpromfs: finish conversion to the new mount API 2024-06-12 11:11:30 +02:00
orangefs orangefs: fix out-of-bounds fsid access 2024-07-11 12:49:08 +02:00
overlayfs ovl: fix encoding fid for lower only root 2024-06-27 13:49:12 +02:00
proc fs/proc: fix softlockup in __read_vmcore 2024-06-21 14:38:41 +02:00
pstore pstore/zone: Add a null pointer check to the psz_kmsg_read 2024-04-13 13:07:31 +02:00
qnx4 for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
qnx6 for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
quota quota: Properly annotate i_dquot arrays with __rcu 2024-03-26 18:19:46 -04:00
ramfs ramfs: convert to ctime accessor functions 2023-07-24 10:30:04 +02:00
reiserfs quota: Properly annotate i_dquot arrays with __rcu 2024-03-26 18:19:46 -04:00
romfs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
smb ksmbd: return FILE_DEVICE_DISK instead of super magic 2024-07-25 09:50:55 +02:00
squashfs Squashfs: check the inode number is not the invalid value of zero 2024-05-02 16:32:41 +02:00
sysfs fs: sysfs: Fix reference leak in sysfs_break_active_protection() 2024-04-27 17:11:41 +02:00
sysv sysv: don't call sb_bread() with pointers_lock held 2024-04-13 13:07:34 +02:00
tracefs eventfs: Update all the eventfs_inodes from the events descriptor 2024-06-21 14:38:22 +02:00
ubifs ubifs: Set page uptodate in the correct place 2024-04-03 15:28:20 +02:00
udf udf: udftime: prevent overflow in udf_disk_stamp_to_time() 2024-06-27 13:49:04 +02:00
ufs for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
unicode unicode: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:54 -07:00
vboxsf vboxsf: explicitly deny setlease attempts 2024-05-17 12:02:13 +02:00
verity fsverity: use register_sysctl_init() to avoid kmemleak warning 2024-06-16 13:47:33 +02:00
xfs xfs: allow cross-linking special files without project quota 2024-06-21 14:38:45 +02:00
zonefs zonefs: Improve error handling 2024-02-23 09:25:13 +01:00
aio.c fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion 2024-04-03 15:28:44 +02:00
anon_inodes.c
attr.c v6.6-vfs.misc 2023-08-28 10:17:14 -07:00
bad_inode.c fs: drop the timespec64 argument from update_time 2023-08-11 09:04:57 +02:00
binfmt_elf.c Merge branch 'expand-stack' 2023-06-28 20:35:21 -07:00
binfmt_elf_fdpic.c fs: binfmt_elf_efpic: fix personality for ELF-FDPIC 2023-09-29 17:20:45 -07:00
binfmt_elf_test.c
binfmt_flat.c
binfmt_misc.c fs: convert to ctime accessor functions 2023-07-13 10:28:04 +02:00
binfmt_script.c
buffer.c iomap: add a workaround for racy i_size updates on block devices 2023-09-25 08:55:00 -07:00
char_dev.c vfs: Replace all non-returning strlcpy with strscpy 2023-05-15 09:42:01 +02:00
compat_binfmt_elf.c
coredump.c v6.5/vfs.misc 2023-06-26 09:50:21 -07:00
d_path.c fs: d_path: include internal.h 2023-05-17 09:16:59 +02:00
dax.c mm: convert DAX lock/unlock page to lock/unlock folio 2024-01-10 17:16:53 +01:00
dcache.c fs: better handle deep ancestor chains in is_subdir() 2024-07-25 09:50:54 +02:00
direct-io.c - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
drop_caches.c fs: drop_caches: draining pages before dropping caches 2023-08-18 10:12:11 -07:00
eventfd.c eventfd: prevent underflow for eventfd semaphores 2023-07-11 11:41:34 +02:00
eventpoll.c epoll: be better about file lifetimes 2024-06-12 11:11:30 +02:00
exec.c exec: Fix NOMMU linux_binprm::exec in transfer_args_to_stack() 2024-04-03 15:28:55 +02:00
fcntl.c fs: Fix rw_hint validation 2024-03-26 18:19:17 -04:00
fhandle.c do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak 2024-03-26 18:19:15 -04:00
file.c fs/file: fix the check in find_next_fd() 2024-07-25 09:50:45 +02:00
file_table.c fs: use __fput_sync in close(2) 2023-08-08 19:36:51 +02:00
filesystems.c
fs-writeback.c fs/writeback: bail out if there is no more inodes for IO and queued once 2024-06-27 13:49:00 +02:00
fs_context.c fs: factor out vfs_parse_monolithic_sep() helper 2023-10-12 18:53:36 +03:00
fs_parser.c
fs_pin.c
fs_struct.c kill do_each_thread() 2023-08-21 13:46:25 -07:00
fs_types.c
fsopen.c fs: add FSCONFIG_CMD_CREATE_EXCL 2023-08-14 18:48:02 +02:00
init.c
inode.c filemap: add a per-mapping stable writes flag 2023-12-03 07:33:03 +01:00
internal.h for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
ioctl.c lsm: new security_file_ioctl_compat() hook 2024-01-31 16:18:54 -08:00
Kconfig for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
Kconfig.binfmt riscv: support the elf-fdpic binfmt loader 2023-08-23 14:17:43 -07:00
kernel_read_file.c fs: Fix kernel-doc warnings 2023-08-19 12:12:12 +02:00
libfs.c fs: new accessor methods for atime and mtime 2024-01-05 15:19:40 +01:00
locks.c filelock: Remove locks reliably when fcntl/close race is detected 2024-07-25 09:50:39 +02:00
Makefile fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
mbcache.c
mnt_idmapping.c
mount.h
mpage.c mpage: use folios in bio end_io handler 2023-04-18 16:30:02 -07:00
namei.c rename(): fix the locking of subdirectories 2024-01-31 16:18:57 -08:00
namespace.c fs: relax mount_setattr() permission checks 2024-02-23 09:25:15 +01:00
nsfs.c fs: convert to ctime accessor functions 2023-07-13 10:28:04 +02:00
open.c ftruncate: pass a signed offset 2024-07-05 09:34:04 +02:00
pipe.c fs/pipe: Fix lockdep false-positive in watchqueue pipe_write() 2024-04-10 16:35:57 +02:00
pnode.c fs: allow to mount beneath top mount 2023-05-19 04:30:22 +02:00
pnode.h fs: allow to mount beneath top mount 2023-05-19 04:30:22 +02:00
posix_acl.c fs: convert to ctime accessor functions 2023-07-13 10:28:04 +02:00
proc_namespace.c tty, proc, kernfs, random: Use copy_splice_read() 2023-05-24 08:42:16 -06:00
read_write.c fs: Fix one kernel-doc comment 2023-08-15 08:32:45 +02:00
readdir.c vfs: get rid of old '->iterate' directory operation 2023-08-06 15:08:35 +02:00
remap_range.c fs: use UB-safe check for signed addition overflow in remap_verify_area 2023-05-24 11:03:59 +02:00
select.c fs/select: rework stack allocation hack for clang 2024-03-26 18:19:17 -04:00
seq_file.c
signalfd.c
splice.c - Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list") 2023-08-29 14:25:26 -07:00
stack.c fs: convert to ctime accessor functions 2023-07-13 10:28:04 +02:00
stat.c fs: Pass AT_GETATTR_NOSEC flag to getattr interface function 2023-12-03 07:33:03 +01:00
statfs.c statfs: enforce statfs[64] structure initialization 2023-05-17 15:20:17 +02:00
super.c fs: export sget_dev() 2023-08-31 12:47:15 +02:00
sync.c
sysctls.c sysctl: Refactor base paths registrations 2023-05-23 21:43:26 -07:00
timerfd.c
userfaultfd.c Fix userfaultfd_api to return EINVAL as expected 2024-07-18 13:21:22 +02:00
utimes.c
xattr.c tmpfs,xattr: GFP_KERNEL_ACCOUNT for simple xattrs 2023-08-22 10:57:46 +02:00