linux/fs
Edward Lo 0d04e45c65 fs/ntfs3: Add length check in indx_get_root
[ Upstream commit 08e8cf5f2d ]

This adds a length check to guarantee the retrieved index root is legit.

[  162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320
[  162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243
[  162.460851]
[  162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42
[  162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[  162.462609] Call Trace:
[  162.462954]  <TASK>
[  162.463276]  dump_stack_lvl+0x49/0x63
[  162.463822]  print_report.cold+0xf5/0x689
[  162.464608]  ? unwind_get_return_address+0x3a/0x60
[  162.465766]  ? hdr_find_e.isra.0+0x10c/0x320
[  162.466975]  kasan_report+0xa7/0x130
[  162.467506]  ? _raw_spin_lock_irq+0xc0/0xf0
[  162.467998]  ? hdr_find_e.isra.0+0x10c/0x320
[  162.468536]  __asan_load2+0x68/0x90
[  162.468923]  hdr_find_e.isra.0+0x10c/0x320
[  162.469282]  ? cmp_uints+0xe0/0xe0
[  162.469557]  ? cmp_sdh+0x90/0x90
[  162.469864]  ? ni_find_attr+0x214/0x300
[  162.470217]  ? ni_load_mi+0x80/0x80
[  162.470479]  ? entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  162.470931]  ? ntfs_bread_run+0x190/0x190
[  162.471307]  ? indx_get_root+0xe4/0x190
[  162.471556]  ? indx_get_root+0x140/0x190
[  162.471833]  ? indx_init+0x1e0/0x1e0
[  162.472069]  ? fnd_clear+0x115/0x140
[  162.472363]  ? _raw_spin_lock_irqsave+0x100/0x100
[  162.472731]  indx_find+0x184/0x470
[  162.473461]  ? sysvec_apic_timer_interrupt+0x57/0xc0
[  162.474429]  ? indx_find_buffer+0x2d0/0x2d0
[  162.474704]  ? do_syscall_64+0x3b/0x90
[  162.474962]  dir_search_u+0x196/0x2f0
[  162.475381]  ? ntfs_nls_to_utf16+0x450/0x450
[  162.475661]  ? ntfs_security_init+0x3d6/0x440
[  162.475906]  ? is_sd_valid+0x180/0x180
[  162.476191]  ntfs_extend_init+0x13f/0x2c0
[  162.476496]  ? ntfs_fix_post_read+0x130/0x130
[  162.476861]  ? iput.part.0+0x286/0x320
[  162.477325]  ntfs_fill_super+0x11e0/0x1b50
[  162.477709]  ? put_ntfs+0x1d0/0x1d0
[  162.477970]  ? vsprintf+0x20/0x20
[  162.478258]  ? set_blocksize+0x95/0x150
[  162.478538]  get_tree_bdev+0x232/0x370
[  162.478789]  ? put_ntfs+0x1d0/0x1d0
[  162.479038]  ntfs_fs_get_tree+0x15/0x20
[  162.479374]  vfs_get_tree+0x4c/0x130
[  162.479729]  path_mount+0x654/0xfe0
[  162.480124]  ? putname+0x80/0xa0
[  162.480484]  ? finish_automount+0x2e0/0x2e0
[  162.480894]  ? putname+0x80/0xa0
[  162.481467]  ? kmem_cache_free+0x1c4/0x440
[  162.482280]  ? putname+0x80/0xa0
[  162.482714]  do_mount+0xd6/0xf0
[  162.483264]  ? path_mount+0xfe0/0xfe0
[  162.484782]  ? __kasan_check_write+0x14/0x20
[  162.485593]  __x64_sys_mount+0xca/0x110
[  162.486024]  do_syscall_64+0x3b/0x90
[  162.486543]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  162.487141] RIP: 0033:0x7f9d374e948a
[  162.488324] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008
[  162.489728] RSP: 002b:00007ffe30e73d18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[  162.490971] RAX: ffffffffffffffda RBX: 0000561cdb43a060 RCX: 00007f9d374e948a
[  162.491669] RDX: 0000561cdb43a260 RSI: 0000561cdb43a2e0 RDI: 0000561cdb442af0
[  162.492050] RBP: 0000000000000000 R08: 0000561cdb43a280 R09: 0000000000000020
[  162.492459] R10: 00000000c0ed0000 R11: 0000000000000206 R12: 0000561cdb442af0
[  162.493183] R13: 0000561cdb43a260 R14: 0000000000000000 R15: 00000000ffffffff
[  162.493644]  </TASK>
[  162.493908]
[  162.494214] The buggy address belongs to the physical page:
[  162.494761] page:000000003e38a3d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x37bc
[  162.496064] flags: 0xfffffc0000000(node=0|zone=1|lastcpupid=0x1fffff)
[  162.497278] raw: 000fffffc0000000 ffffea00000df1c8 ffffea00000df008 0000000000000000
[  162.498928] raw: 0000000000000000 0000000000240000 00000000ffffffff 0000000000000000
[  162.500542] page dumped because: kasan: bad access detected
[  162.501057]
[  162.501242] Memory state around the buggy address:
[  162.502230]  ffff8880037bc980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  162.502977]  ffff8880037bca00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  162.503522] >ffff8880037bca80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  162.503963]                             ^
[  162.504370]  ffff8880037bcb00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  162.504766]  ffff8880037bcb80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

Signed-off-by: Edward Lo <edward.lo@ambergroup.io>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-06 14:45:05 +00:00
..
9p 9p: Fix initialisation of netfs_inode for 9p 2024-02-05 20:12:59 +00:00
adfs fs: Convert block_read_full_page() to block_read_full_folio() 2022-05-09 16:21:44 -04:00
affs affs: initialize fsdata in affs_truncate() 2023-02-01 08:34:08 +01:00
afs afs: Increase buffer size in afs_update_volume_status() 2024-03-01 13:26:36 +01:00
autofs autofs: fix memory leak of waitqueues in autofs_catatonic_mode 2023-09-23 11:10:59 +02:00
befs befs: Convert befs_symlink_read_folio() to use a folio 2022-08-02 12:34:03 -04:00
bfs fs: Convert block_read_full_page() to block_read_full_folio() 2022-05-09 16:21:44 -04:00
btrfs btrfs: don't drop extent_map for free space inode on write error 2024-02-23 09:12:29 +01:00
cachefiles cachefiles: fix memory leak in cachefiles_add_cache() 2024-03-01 13:26:32 +01:00
ceph ceph: prevent use-after-free in encode_cap_msg() 2024-02-23 09:12:46 +01:00
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: Reject casefold directory inodes 2024-02-05 20:12:49 +00:00
efivarfs efivarfs: Free s_fs_info on unmount 2024-01-25 15:27:20 -08:00
efs efs: Convert efs symlinks to read_folio 2022-05-09 16:21:45 -04:00
erofs erofs: fix inconsistent per-file compression format 2024-03-01 13:26:39 +01:00
exfat exfat: support handle zero-size directory 2023-11-28 17:07:00 +00:00
exportfs Change calling conventions for filldir_t 2022-08-17 17:25:04 -04:00
ext2 ext2: fix datatype of block number in ext2_xattr_set2() 2023-09-23 11:11:05 +02:00
ext4 ext4: correct the hole length returned by ext4_map_blocks() 2024-03-01 13:26:28 +01:00
f2fs f2fs: add helper to check compression level 2024-02-16 19:06:31 +01:00
fat treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
freevxfs freevxfs: Convert vxfs_immed_read_folio() to use a folio 2022-08-02 12:34:03 -04:00
fscache netfs, fscache: Prevent Oops in fscache_put_cache() 2024-01-31 16:17:04 -08:00
fuse fuse: share lookup state between submount and its parent 2024-01-01 12:39:08 +00:00
gfs2 gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump 2024-01-25 15:27:22 -08:00
hfs hfs: fix missing hfs_bnode_get() in __hfs_bnode_create 2023-03-10 09:34:07 +01:00
hfsplus fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode() 2023-05-24 17:32:34 +01:00
hostfs hostfs: move from strlcpy with unused retval to strscpy 2022-09-19 22:46:25 +02:00
hpfs hpfs: Convert symlinks to read_folio 2022-05-09 16:21:45 -04:00
hugetlbfs mm: hugetlb pages should not be reserved by shmat() if SHM_NORESERVE 2024-02-23 09:12:46 +01:00
iomap iomap: update ki_pos a little later in iomap_dio_complete 2023-12-08 08:51:20 +01:00
isofs - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
jbd2 jbd2: fix soft lockup in journal_finish_inode_data_buffers() 2024-01-20 11:50:07 +01:00
jffs2 jffs2: reduce stack usage in jffs2_build_xattr_subsystem() 2023-07-19 16:22:11 +02:00
jfs jfs: fix array-index-out-of-bounds in diNewExt 2024-02-05 20:12:48 +00:00
kernfs fs/kernfs/dir: obey S_ISGID 2024-02-05 20:12:58 +00:00
lockd fs: lockd: avoid possible wrong NULL parameter 2023-09-13 09:42:49 +02:00
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 pNFS: Fix the pnfs block driver's calculation of layoutget size 2024-01-25 15:27:23 -08:00
nfs_common
nfsd nfsd: don't take fi_lock in nfsd_break_deleg_cb() 2024-02-23 09:12:50 +01:00
nilfs2 nilfs2: replace WARN_ONs for invalid DAT metadata block requests 2024-02-23 09:12:52 +01:00
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: Add length check in indx_get_root 2024-03-06 14:45:05 +00:00
ocfs2 fs: ocfs2: namei: check return value of ocfs2_add_entry() 2023-09-13 09:42:33 +02:00
omfs fs: Convert block_read_full_page() to block_read_full_folio() 2022-05-09 16:21:44 -04:00
openpromfs
orangefs use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
overlayfs ima: detect changes to the backing overlay file 2023-11-28 17:07:12 +00:00
proc fs/proc: do_task_stat: move thread_group_cputime_adjusted() outside of lock_task_sighand() 2024-02-23 09:12:47 +01:00
pstore pstore/ram: Fix crash when setting number of cpus to an odd number 2024-02-05 20:12:48 +00:00
qnx4 fs: Convert block_read_full_page() to block_read_full_folio() 2022-05-09 16:21:44 -04:00
qnx6 fs/qnx6: delete unnecessary checks before brelse() 2022-09-11 21:55:07 -07:00
quota quota: explicitly forbid quota files from being encrypted 2023-11-28 17:07:13 +00:00
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 romfs: Convert romfs to read_folio 2022-05-09 16:21:46 -04:00
smb smb3: clarify mount warning 2024-03-01 13:26:30 +01:00
squashfs revert "squashfs: harden sanity check in squashfs_read_xattr_id_table" 2023-02-22 12:59:50 +01:00
sysfs
sysv fs/sysv: Null check to prevent null-ptr-deref bug 2023-08-11 12:08:23 +02:00
tracefs tracefs: Add missing lockdown check to tracefs_create_dir() 2023-09-23 11:11:12 +02:00
ubifs ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path 2024-01-31 16:17:02 -08:00
udf udf: initialize newblock to 0 2023-09-13 09:43:05 +02:00
ufs ufs: replace ll_rw_block() 2022-09-11 20:26:07 -07:00
unicode
vboxsf vboxsf: Convert vboxsf to read_folio 2022-05-09 16:21:46 -04:00
verity fsverity: skip PKCS#7 parser when keyring is empty 2023-09-13 09:43:03 +02:00
xfs xfs: read only mounts with fsopen mount API are busted 2024-01-31 16:17:08 -08:00
zonefs zonefs: Improve error handling 2024-02-23 09:12:45 +01:00
aio.c fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio 2024-03-01 13:26:39 +01:00
anon_inodes.c dynamic_dname(): drop unused dentry argument 2022-08-20 11:34:04 -04:00
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 d_path.c: typo fix... 2022-08-20 11:34:33 -04:00
dax.c Merge branch 'for-6.0/dax' into libnvdimm-fixes 2022-09-24 18:14:12 -07:00
dcache.c fast_dput(): handle underflows gracefully 2024-02-05 20:12:54 +00:00
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: ep_autoremove_wake_function should use list_del_init_careful 2023-06-21 16:00:54 +02:00
exec.c exec: Fix error handling in begin_new_exec() 2024-01-31 16:17:07 -08:00
fcntl.c keep iocb_flags() result cached in struct file 2022-06-10 16:10:23 -04:00
fhandle.c do_sys_name_to_handle(): constify path 2022-09-01 17:36:39 -04:00
file_table.c locks: fix TOCTOU race when granting write lease 2022-08-16 10:59:54 -04:00
file.c file: reinstate f_pos locking optimization for regular files 2023-08-11 12:08:23 +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 uninline may_mount() and don't opencode it in fspick(2)/fsopen(2) 2022-05-19 23:25:10 -04:00
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 fs/kernel_read_file: allow to read files up-to ssize_t 2022-06-16 19:58:21 -07:00
libfs.c libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value 2022-12-31 13:31:58 +01:00
locks.c locks: fix KASAN: use-after-free in trace_event_raw_event_filelock_lock 2023-09-23 11:11:00 +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 switch try_to_unlazy_next() to __legitimize_mnt() 2022-07-05 16:18:21 -04:00
mpage.c Folio changes for 6.0 2022-08-03 10:35:43 -07:00
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 dynamic_dname(): drop unused dentry argument 2022-08-20 11:34:04 -04:00
open.c open: make RESOLVE_CACHED correctly test for O_TMPFILE 2023-08-11 12:08:22 +02:00
pipe.c pipe: wakeup wr_wait after setting max_usage 2024-01-31 16:17:09 -08:00
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 vfs: escape hash as well 2022-06-28 13:58:05 -04:00
read_write.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
readdir.c Change calling conventions for filldir_t 2022-08-17 17:25:04 -04:00
remap_range.c - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
select.c
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 riscv: compat: syscall: Add compat_sys_call_table implementation 2022-04-26 13:36:25 -07:00
sysctls.c
timerfd.c
userfaultfd.c Revert "userfaultfd: don't fail on unrecognized features" 2023-04-26 14:28:37 +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