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2600c80ea7b39f987c3fa89287e73d62e322bbbd
linux/fs
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Shigeru Yoshida 2600c80ea7 fs/ntfs3: Fix memory leak on ntfs_fill_super() error path 
[ Upstream commit 51e76a232f ]

syzbot reported kmemleak as below:

BUG: memory leak
unreferenced object 0xffff8880122f1540 (size 32):
  comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00  ................
  backtrace:
    [<ffffffff81b16052>] ntfs_init_fs_context+0x22/0x1c0
    [<ffffffff8164aaa7>] alloc_fs_context+0x217/0x430
    [<ffffffff81626dd4>] path_mount+0x704/0x1080
    [<ffffffff81627e7c>] __x64_sys_mount+0x18c/0x1d0
    [<ffffffff84593e14>] do_syscall_64+0x34/0xb0
    [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

This patch fixes this issue by freeing mount options on error path of
ntfs_fill_super().

Reported-by: syzbot+9d67170b20e8f94351c8@syzkaller.appspotmail.com
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-04 11:28:55 +01:00
..
9p
9p: Fix some kernel-doc comments
2022-07-02 18:52:21 +09:00
adfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
affs
affs: move from strlcpy with unused retval to strscpy
2022-08-19 13:03:10 +02:00
afs
afs: Fix lost servers_outstanding count
2022-12-31 13:33:08 +01:00
autofs
autofs: remove unused ino field inode
2022-07-17 17:31:42 -07:00
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: do not BUG_ON() on ENOMEM when dropping extent items for a range
2022-12-31 13:33:11 +01:00
cachefiles
cachefiles: use vfs_tmpfile_open() helper
2022-09-24 07:00:00 +02:00
ceph
ceph: fix NULL pointer dereference for req->r_session
2022-11-14 10:29:05 +01:00
cifs
cifs: don't leak -ENOMEM in smb2_open_file()
2022-12-31 13:32:56 +01:00
coda
coda: Convert coda_symlink_filler() to use a folio
2022-08-02 12:34:03 -04:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2022-12-31 13:32:22 +01:00
cramfs
cramfs: read_mapping_page() is synchronous
2022-08-02 12:34:02 -04:00
crypto
fscrypt: fix keyring memory leak on mount failure
2022-10-19 20:54:43 -07:00
debugfs
debugfs: fix error when writing negative value to atomic_t debugfs file
2022-12-31 13:31:58 +01:00
devpts
…
dlm
Merge tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2022-10-04 13:38:03 -07:00
ecryptfs
Merge tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-06 17:31:02 -07:00
efivarfs
efi: efivars: Fix variable writes without query_variable_store()
2022-10-21 11:09:40 +02:00
efs
efs: Convert efs symlinks to read_folio
2022-05-09 16:21:45 -04:00
erofs
erofs: validate the extent length for uncompressed pclusters
2022-12-31 13:31:59 +01:00
exfat
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
exportfs
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
ext2
treewide: use prandom_u32_max() when possible, part 2
2022-10-11 17:42:58 -06:00
ext4
ext4: fix use-after-free in ext4_ext_shift_extents
2022-11-07 12:53:43 -05:00
f2fs
f2fs: fix iostat parameter for discard
2022-12-31 13:32:38 +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
fscache: Fix oops due to race with cookie_lru and use_cookie
2022-12-07 11:49:18 -08:00
fuse
fuse: lock inode unconditionally in fuse_fallocate()
2022-11-23 09:10:42 +01:00
gfs2
gfs2: Partially revert gfs2_inode_lookup change
2022-12-31 13:32:45 +01:00
hfs
hfs: fix OOB Read in __hfs_brec_find
2022-12-31 13:32:58 +01:00
hfsplus
hfsplus: convert kmap() to kmap_local_page() in btree.c
2022-09-11 21:55:05 -07:00
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
hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()
2022-12-31 13:33:05 +01:00
iomap
iomap: add a tracepoint for mappings returned by map_blocks
2022-10-02 11:42:19 -07:00
isofs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
jbd2
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-10 17:53:04 -07:00
jffs2
mtd: always initialize 'stats' in struct mtd_oob_ops
2022-09-21 10:38:07 +02:00
jfs
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
2022-12-31 13:32:57 +01:00
kernfs
kernfs: Fix spurious lockdep warning in kernfs_find_and_get_node_by_id()
2022-11-10 19:03:42 +01:00
ksmbd
ksmbd: Fix resource leak in ksmbd_session_rpc_open()
2022-12-31 13:32:42 +01:00
lockd
lockd: set other missing fields when unlocking files
2022-12-31 13:32:00 +01:00
minix
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
netfs
netfs: Fix dodgy maths
2022-11-15 16:56:07 +00:00
nfs
nfs: fix possible null-ptr-deref when parsing param
2022-12-31 13:33:04 +01:00
nfs_common
…
nfsd
nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
2022-12-31 13:32:53 +01:00
nilfs2
nilfs2: fix shift-out-of-bounds due to too large exponent of block size
2022-12-31 13:32:58 +01:00
nls
…
notify
Merge tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2022-10-07 08:28:50 -07:00
ntfs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
ntfs3
fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
2023-01-04 11:28:55 +01:00
ocfs2
ocfs2: fix memory leak in ocfs2_mount_volume()
2022-12-31 13:31:58 +01:00
omfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
openpromfs
…
orangefs
orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()
2022-12-31 13:33:06 +01:00
overlayfs
ovl: fix use inode directly in rcu-walk mode
2022-12-31 13:33:11 +01:00
proc
proc/meminfo: fix spacing in SecPageTables
2022-11-22 18:50:44 -08:00
pstore
pstore: Make sure CONFIG_PSTORE_PMSG selects CONFIG_RT_MUTEXES
2022-12-31 13:33:08 +01:00
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: Add more checking after reading from quota file
2022-09-29 15:37:30 +02:00
ramfs
Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-10 19:45:17 -07:00
reiserfs
reiserfs: Add missing calls to reiserfs_security_free()
2022-12-31 13:33:10 +01:00
romfs
romfs: Convert romfs to read_folio
2022-05-09 16:21:46 -04:00
smbfs_common
smb3: define missing create contexts
2022-10-05 01:55:27 -05:00
squashfs
squashfs: fix buffer release race condition in readahead code
2022-10-28 13:37:21 -07:00
sysfs
…
sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2022-12-31 13:32:00 +01:00
tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-08 17:10:54 -04:00
ubifs
Merge tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
2022-10-16 15:27:07 -07:00
udf
udf: Avoid double brelse() in udf_rename()
2022-12-31 13:32:57 +01:00
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
Merge tag 'for-6.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2022-10-06 17:36:48 -07:00
xfs
xfs: rename XFS_REFC_COW_START to _COWFLAG
2022-10-31 08:58:22 -07:00
zonefs
zonefs: Fix active zone accounting
2022-11-25 17:01:22 +09:00
aio.c
aio: use atomic_try_cmpxchg in __get_reqs_available
2022-09-11 21:55:08 -07:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
vfs: Check the truncate maximum size in inode_newsize_ok()
2022-08-08 10:39:29 -07:00
bad_inode.c
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
binfmt_elf_fdpic.c
…
binfmt_elf_test.c
…
binfmt_elf.c
fs/binfmt_elf: Fix memory leak in load_elf_binary()
2022-10-25 15:11:21 -07:00
binfmt_flat.c
binfmt_flat: Remove shared library support
2022-04-22 10:57:18 -07:00
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
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-10 17:53:04 -07:00
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
Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-10 19:45:17 -07:00
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: provide a eventfd_signal_mask() helper
2023-01-04 11:28:48 +01:00
eventpoll.c
eventpoll: add EPOLL_URING_WAKE poll wakeup flag
2023-01-04 11:28:47 +01:00
exec.c
Merge tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-29 17:49:33 -07:00
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
fs: use acquire ordering in __fget_light()
2022-10-31 15:30:11 -04:00
filesystems.c
…
fs_context.c
…
fs_parser.c
…
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: do not update freeing inode i_io_list
2022-11-22 17:00:00 -05:00
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
Merge tag 'pull-inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-06 16:49:00 -07:00
internal.h
Merge tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-06 17:31:02 -07:00
ioctl.c
…
Kconfig
hugetlb: make hugetlb depends on SYSFS or SYSCTL
2022-09-11 20:26:10 -07:00
Kconfig.binfmt
Merge tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa
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 dropped call to ->fl_release_private()
2022-08-17 15:08:58 -04:00
Makefile
a.out: Remove the a.out implementation
2022-09-27 07:11:02 -07:00
mbcache.c
mbcache: Avoid nesting of cache->c_list_lock under bit locks
2022-09-30 23:46:52 -04:00
mount.h
switch try_to_unlazy_next() to __legitimize_mnt()
2022-07-05 16:18:21 -04:00
mpage.c
Merge tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache
2022-08-03 10:35:43 -07:00
namei.c
vfs: vfs_tmpfile: ensure O_EXCL flag is enforced
2022-11-19 02:22:11 -05:00
namespace.c
fs: require CAP_SYS_ADMIN in target namespace for idmapped mounts
2022-08-17 11:27:11 +02:00
no-block.c
…
nsfs.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
open.c
Merge tag 'pull-file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-06 17:13:18 -07:00
pipe.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
pnode.c
…
pnode.h
…
posix_acl.c
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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
vfs: fix copy_file_range() averts filesystem freeze protection
2022-11-25 00:52:28 -05:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
Merge tag 'mm-stable-2022-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-08-05 16:32:45 -07:00
select.c
…
seq_file.c
rxrpc: Fix locking issue
2022-05-22 21:03:01 +01:00
signalfd.c
…
splice.c
iter_to_pipe(): switch to advancing variant of iov_iter_get_pages()
2022-08-08 22:37:23 -04:00
stack.c
…
stat.c
vfs: support STATX_DIOALIGN on block devices
2022-09-11 19:47:12 -05:00
statfs.c
…
super.c
fscrypt: fix keyring memory leak on mount failure
2022-10-19 20:54:43 -07:00
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
fs/userfaultfd: Fix maple tree iterator in userfaultfd_unregister()
2022-11-07 12:58:26 -08:00
utimes.c
…
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2022-12-31 13:31:55 +01:00