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linux/fs
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Zhang Xiaoxu 44d3eac26a orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string() 
[ Upstream commit d23417a5bf ]

When insert and remove the orangefs module, then debug_help_string will
be leaked:

  unreferenced object 0xffff8881652ba000 (size 4096):
    comm "insmod", pid 1701, jiffies 4294893639 (age 13218.530s)
    hex dump (first 32 bytes):
      43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79  Client Debug Key
      77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77  words are unknow
    backtrace:
      [<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0
      [<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]
      [<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]
      [<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0
      [<000000001d0614ae>] do_init_module+0xdf/0x320
      [<00000000efef068c>] load_module+0x2f98/0x3330
      [<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0
      [<00000000a0da6f99>] do_syscall_64+0x35/0x80
      [<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

When remove the module, should always free debug_help_string. Should
always free the allocated buffer when change the free_debug_help_string.

Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-07 12:07:33 +01:00
..
9p
9p: missing chunk of "fs/9p: Don't update file type when updating file attributes"
2022-06-25 11:44:57 +02:00
adfs
fs/adfs: super: fix use-after-free bug
2019-08-06 18:29:35 +02:00
affs
affs: fix basic permission bits to actually work
2020-09-12 11:47:39 +02:00
afs
afs: Fix large file support
2020-01-29 10:24:34 +01:00
autofs4
autofs: fix a leak in autofs_expire_indirect()
2019-12-21 10:40:46 +01:00
befs
Merge tag 'befs-v4.9-rc1' of git://github.com/luisbg/linux-befs
2016-10-15 12:09:13 -07:00
bfs
bfs: add sanity check at bfs_fill_super()
2018-12-01 09:44:19 +01:00
btrfs
btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()
2022-12-08 11:15:41 +01:00
cachefiles
cachefiles: Handle readpage error correctly
2020-11-10 10:24:00 +01:00
ceph
ceph: don't truncate file in atomic_open
2022-10-26 13:15:35 +02:00
cifs
cifs: Fix wrong return value checking when GETFLAGS
2022-11-25 17:35:40 +01:00
coda
coda: add error handling for fget
2019-08-06 18:29:38 +02:00
configfs
configfs: fix a race in configfs_{,un}register_subsystem()
2022-03-02 11:32:03 +01:00
cramfs
Cramfs: fix abad comparison when wrap-arounds occur
2018-11-13 11:17:03 -08:00
crypto
fscrypt: don't ignore minor_hash when hash is 0
2021-07-20 16:21:11 +02:00
debugfs
debugfs: fix use-after-free on symlink traversal
2019-05-08 07:19:10 +02:00
devpts
fs/devpts: always delete dcache dentry-s in dput()
2019-03-23 13:19:47 +01:00
dlm
fs: dlm: handle -EBUSY first in lock arg validation
2022-10-26 13:15:37 +02:00
ecryptfs
Revert "ecryptfs: replace BUG_ON with error handling code"
2021-05-26 11:29:07 +02:00
efivarfs
efivarfs: revert "fix memory leak in efivarfs_create()"
2020-12-02 08:31:28 +01:00
efs
…
exofs
fs/exofs: fix potential memory leak in mount option parsing
2018-11-27 16:09:38 +01:00
exportfs
exportfs: fix 'passing zero to ERR_PTR()' warning
2020-01-29 10:24:03 +01:00
ext2
ext2: correct max file size computing
2022-04-20 09:06:35 +02:00
ext4
ext4: fix warning in 'ext4_da_release_space'
2022-11-10 15:46:07 +01:00
f2fs
f2fs: fix race condition on setting FI_NO_EXTENT flag
2022-10-26 13:15:45 +02:00
fat
fat: add ratelimit to fat*_ent_bread()
2022-06-14 16:52:30 +02:00
freevxfs
…
fscache
fscache: fix race between enablement and dropping of object
2018-12-17 09:38:34 +01:00
fuse
fuse: limit nsec
2022-08-25 11:09:24 +02:00
gfs2
gfs2: Switch from strlcpy to strscpy
2022-11-25 17:35:43 +01:00
hfs
hfs: fix OOB Read in __hfs_brec_find
2023-01-07 12:07:31 +01:00
hfsplus
hfsplus: fix crash and filesystem corruption when deleting files
2020-04-24 07:58:59 +02:00
hostfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hugetlbfs
hugetlbfs: hugetlb_fault_mutex_hash() cleanup
2021-06-03 08:23:33 +02:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 13:18:02 +01:00
jbd2
jbd2: abort journal if free a async write error metadata buffer
2020-09-03 11:21:19 +02:00
jffs2
jffs2: fix memory leak in jffs2_do_fill_super
2022-06-14 16:52:38 +02:00
jfs
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
2023-01-07 12:07:30 +01:00
kernfs
kernfs: fix use-after-free in __kernfs_remove
2022-11-03 23:49:16 +09:00
lockd
lockd: don't use interval-based rebinding over TCP
2020-12-29 13:44:57 +01:00
logfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
minix
fs/minix: reject too-large maximum file size
2020-08-21 11:02:06 +02:00
ncpfs
ncpfs: fix build warning of strncpy
2019-03-13 14:04:52 -07:00
nfs
NFSv4: Fix a deadlock between nfs4_open_recover_helper() and delegreturn
2023-01-07 12:07:18 +01:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-29 13:44:59 +01:00
nfsd
nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
2023-01-07 12:07:29 +01:00
nilfs2
nilfs2: fix shift-out-of-bounds/overflow in nilfs_sb2_bad_offset()
2023-01-07 12:07:31 +01:00
nls
…
notify
inotify: show inotify mask flags in proc fdinfo
2022-06-14 16:52:31 +02:00
ntfs
ntfs: check overflow when iterating ATTR_RECORDs
2022-11-25 17:35:43 +01:00
ocfs2
ocfs2: fix memory leak in ocfs2_stack_glue_init()
2023-01-07 12:07:13 +01:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
openpromfs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
orangefs
orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
2023-01-07 12:07:33 +01:00
overlayfs
ovl: fix missing negative dentry check in ovl_rename()
2021-10-17 10:05:38 +02:00
proc
proc: Pass file mode to proc_pid_make_inode
2022-08-25 11:09:21 +02:00
pstore
pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP
2023-01-07 12:07:13 +01:00
qnx4
qnx4: work around gcc false positive warning bug
2021-10-06 10:23:41 +02:00
qnx6
…
quota
quota: Check next/prev free block number after reading from quota file
2022-10-26 13:15:37 +02:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
reiserfs
reiserfs: check directory items on read from disk
2021-08-15 13:01:04 +02:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-26 10:29:03 +02:00
squashfs
squashfs: fix divide error in calculate_skip()
2021-05-22 10:40:32 +02:00
sysfs
fs: sysfs_emit: Remove PAGE_SIZE alignment check
2022-03-23 09:00:34 +01:00
sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2023-01-07 12:07:15 +01:00
tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-20 11:50:16 +02:00
ubifs
ubifs: setflags: Make dirtied_ino_d 8 bytes aligned
2022-04-20 09:06:40 +02:00
udf
udf: Avoid double brelse() in udf_rename()
2023-01-07 12:07:30 +01:00
ufs
fs/ufs: avoid potential u32 multiplication overflow
2020-08-21 11:02:11 +02:00
xfs
xfs: remove incorrect ASSERT in xfs_rename
2022-07-12 16:26:24 +02:00
aio.c
aio: fix spectre gadget in lookup_ioctx
2018-12-21 14:11:31 +01:00
anon_inodes.c
…
attr.c
vfs: Check the truncate maximum size in inode_newsize_ok()
2022-08-25 11:09:23 +02:00
bad_inode.c
bad_inode: add missing i_op initializers
2017-01-09 08:32:24 +01:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
2020-06-03 08:16:42 +02:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make load_flat_shared_library() work
2019-07-10 09:55:38 +02:00
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2023-01-07 12:07:30 +01:00
binfmt_script.c
exec: load_script: Do not exec truncated interpreter path
2019-11-06 12:18:04 +01:00
block_dev.c
bdev: Reduce time holding bd_mutex in sync in blkdev_close()
2020-10-01 20:40:12 +02:00
buffer.c
mm: fs: initialize fsdata passed to write_begin/write_end interface
2022-11-25 17:35:43 +01:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2023-01-07 12:07:26 +01:00
compat_binfmt_elf.c
binfmt_elf: compat: avoid unused function warning
2018-02-25 11:05:55 +01:00
compat_ioctl.c
media: dvb_frontend: Add compat_ioctl callback
2020-06-30 15:38:35 -04:00
compat.c
compat: remove compat_printk()
2016-09-27 21:20:53 -04:00
coredump.c
coredump: Ensure proper size of sparse core files
2017-07-05 14:40:26 +02:00
dax.c
fs/dax.c: fix inefficiency in dax_writeback_mapping_range()
2018-02-28 10:18:33 +01:00
dcache.c
Hang/soft lockup in d_invalidate with simultaneous calls
2019-03-27 14:13:04 +09:00
dcookies.c
…
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-16 11:59:07 +02:00
drop_caches.c
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
2019-03-13 14:04:58 -07:00
eventfd.c
…
eventpoll.c
ep_create_wakeup_source(): dentry name can change under you...
2020-10-14 09:48:13 +02:00
exec.c
exec: Force single empty string when argv is empty
2022-06-06 08:19:46 +02:00
fcntl.c
fs/fcntl: f_setown, avoid undefined behaviour
2018-01-31 12:55:52 +01:00
fhandle.c
…
file_table.c
fs: add fget_many() and fput_many()
2021-12-08 08:45:06 +01:00
file.c
fget: clarify and improve __fget_files() implementation
2022-03-02 11:32:07 +01:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
fs-writeback: writeback_sb_inodes：Recalculate 'wrote' according skipped pages
2022-06-14 16:52:34 +02:00
inode.c
fs: fix UAF/GPF bug in nilfs_mdt_destroy
2022-10-26 13:15:34 +02:00
internal.h
xfs: evict all inodes involved with log redo item
2017-09-20 08:20:01 +02:00
ioctl.c
…
iomap.c
iomap: fix integer truncation issues in the zeroing and dirtying helpers
2017-09-20 08:19:59 +02:00
Kconfig
mm/hugetlb: introduce ARCH_HAS_GIGANTIC_PAGE
2016-10-07 18:46:29 -07:00
Kconfig.binfmt
…
libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2023-01-07 12:07:14 +01:00
locks.c
locks: print unsigned ino in /proc/locks
2020-01-12 11:24:13 +01:00
Makefile
…
mbcache.c
mbcache: initialize entry->e_referenced in mb_cache_entry_create()
2018-02-22 15:43:48 +01:00
mount.h
mnt: In propgate_umount handle visiting mounts in any order
2017-07-21 07:42:22 +02:00
mpage.c
fs/mpage.c: fix mpage_writepage() for pages with buffers
2017-10-18 09:35:39 +02:00
namei.c
mm: fs: initialize fsdata passed to write_begin/write_end interface
2022-11-25 17:35:43 +01:00
namespace.c
fs: warn about impending deprecation of mandatory locks
2021-08-26 08:37:29 -04:00
no-block.c
…
nsfs.c
nsfs: mark dentry with DCACHE_RCUACCESS
2018-02-17 13:21:15 +01:00
open.c
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-20 09:07:44 +01:00
pipe.c
pipe: increase minimum default pipe size to 2 pages
2021-08-15 13:01:03 +02:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-05-02 17:23:20 +02:00
pnode.h
mnt: Tuck mounts under others instead of creating shadow/side mounts.
2017-03-15 10:02:43 +08:00
posix_acl.c
tmpfs: clear S_ISGID when setting posix ACLs
2017-01-26 08:24:37 +01:00
proc_namespace.c
…
read_write.c
fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock
2019-06-11 12:22:49 +02:00
readdir.c
filldir[64]: remove WARN_ON_ONCE() for bad directory entries
2020-01-04 13:41:06 +01:00
select.c
kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
2021-03-24 10:59:25 +01:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-20 16:21:16 +02:00
signalfd.c
signalfd: use wake_up_pollfree()
2021-12-14 10:04:48 +01:00
splice.c
fs: prevent page refcount overflow in pipe_buf_get
2019-06-11 12:22:45 +02:00
stack.c
…
stat.c
ufs: restore maintaining ->i_blocks
2017-06-14 15:06:01 +02:00
statfs.c
…
super.c
vfs: make freeze_super abort when sync_filesystem returns error
2022-02-23 11:56:39 +01:00
sync.c
…
timerfd.c
timerfd: Protect the might cancel mechanism proper
2017-05-08 07:47:54 +02:00
userfaultfd.c
userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx
2019-09-06 10:19:37 +02:00
utimes.c
Merge remote-tracking branch 'jk/vfs' into work.misc
2016-10-08 11:06:08 -04:00
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2023-01-07 12:07:13 +01:00