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Ronnie Sahlberg 4e95d8160a cifs: fix memory leak in smb2_copychunk_range 
commit d201d7631c upstream.

When using smb2_copychunk_range() for large ranges we will
run through several iterations of a loop calling SMB2_ioctl()
but never actually free the returned buffer except for the final
iteration.
This leads to memory leaks everytime a large copychunk is requested.

Fixes: 9bf0c9cd43 ("CIFS: Fix SMB2/SMB3 Copy offload support (refcopy) for large files")
Cc: <stable@vger.kernel.org>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-26 11:48:32 +02:00
..
9p
9P: Cast to loff_t before multiplying
2020-11-05 11:08:53 +01:00
adfs
…
affs
fs/affs: release old buffer head on error path
2021-03-04 09:39:55 +01:00
afs
rxrpc: Fix deadlock around release of dst cached on udp tunnel
2021-02-10 09:21:06 +01:00
autofs
…
befs
…
bfs
…
btrfs
btrfs: fix race when picking most recent mod log operation for an old root
2021-05-22 10:59:19 +02:00
cachefiles
cachefiles: Handle readpage error correctly
2020-11-05 11:08:54 +01:00
ceph
ceph: fix fscache invalidation
2021-05-22 10:59:49 +02:00
cifs
cifs: fix memory leak in smb2_copychunk_range
2021-05-26 11:48:32 +02:00
coda
…
configfs
configfs: fix a use-after-free in __configfs_open_file
2021-03-17 16:43:51 +01:00
cramfs
…
crypto
fscrypt: add fscrypt_is_nokey_name()
2021-01-06 14:44:58 +01:00
debugfs
…
devpts
…
dlm
fs: dlm: fix debugfs dump
2021-05-22 10:59:39 +02:00
ecryptfs
ecryptfs: fix kernel panic with null dev_name
2021-05-22 10:59:13 +02:00
efivarfs
efivarfs: revert "fix memory leak in efivarfs_create()"
2020-12-02 08:48:12 +01:00
efs
…
exofs
…
exportfs
…
ext2
ext2: don't update mtime on COW faults
2020-09-09 19:04:28 +02:00
ext4
ext4: fix error code in ext4_commit_super
2021-05-22 10:59:21 +02:00
f2fs
f2fs: fix a redundant call to f2fs_balance_fs if an error occurs
2021-05-22 10:59:42 +02:00
fat
fat: don't allow to mount if the FAT length == 0
2020-06-22 09:05:08 +02:00
freevxfs
…
fscache
…
fuse
cuse: prevent clone
2021-05-22 10:59:41 +02:00
gfs2
gfs2: report "already frozen/thawed" errors
2021-04-16 11:49:30 +02:00
hfs
…
hfsplus
hfsplus: prevent corruption in shrinking truncate
2021-05-22 10:59:45 +02:00
hostfs
…
hpfs
…
hugetlbfs
mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page
2021-02-10 09:21:08 +01:00
isofs
isofs: release buffer head before return
2021-03-04 09:39:45 +01:00
jbd2
jbd2: abort journal if free a async write error metadata buffer
2020-09-03 11:24:24 +02:00
jffs2
jffs2: check the validity of dstlen in jffs2_zlib_compress()
2021-05-22 10:59:21 +02:00
jfs
JFS: more checks for invalid superblock
2021-03-07 12:18:54 +01:00
kernfs
…
lockd
lockd: don't use interval-based rebinding over TCP
2020-12-30 11:25:59 +01:00
minix
fs/minix: remove expected error message in block_to_path()
2020-08-21 11:05:38 +02:00
nfs
NFSv4.2 fix handling of sr_eof in SEEK's reply
2021-05-22 10:59:43 +02:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-30 11:26:02 +01:00
nfsd
nfsd4: readdirplus shouldn't return parent of export
2021-01-23 15:49:55 +01:00
nilfs2
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
2020-06-22 09:05:03 +02:00
nls
…
notify
fanotify: fix ignore mask logic for events on child and on dir
2020-06-30 23:17:00 -04:00
ntfs
ntfs: check for valid standard information attribute
2021-03-04 09:39:29 +01:00
ocfs2
ocfs2: fix deadlock between setattr and dio_end_io_write
2021-04-14 08:22:32 +02:00
omfs
…
openpromfs
…
orangefs
…
overlayfs
ovl: fix missing revert_creds() on error path
2021-05-22 10:59:26 +02:00
proc
proc: fix lookup in /proc/net subdirectories after setns(2)
2021-01-12 20:10:17 +01:00
pstore
pstore: Fix typo in compression option name
2021-03-04 09:39:54 +01:00
qnx4
…
qnx6
…
quota
quota: Fix memory leak when handling corrupted quota file
2021-03-04 09:39:42 +01:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-30 10:38:21 +01:00
reiserfs
reiserfs: update reiserfs_xattrs_initialized() condition
2021-04-07 12:48:50 +02:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-26 10:30:59 +02:00
squashfs
squashfs: fix divide error in calculate_skip()
2021-05-22 10:59:45 +02:00
sysfs
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
2021-03-07 12:19:01 +01:00
sysv
…
tracefs
…
ubifs
ubifs: Only check replay with inode type to judge if inode linked
2021-05-22 10:59:19 +02:00
udf
udf: fix silent AED tagLocation corruption
2021-03-17 16:43:45 +01:00
ufs
fs/ufs: avoid potential u32 multiplication overflow
2020-08-21 11:05:38 +02:00
xfs
xfs: Fix assert failure in xfs_setattr_size()
2021-03-07 12:18:55 +01:00
aio.c
aio: fix async fsync creds
2020-06-22 09:05:01 +02:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
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 08:19:41 +02:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix possible deadlock in bm_register_write
2021-03-17 16:43:51 +01:00
binfmt_script.c
…
block_dev.c
block: reexpand iov_iter after read/write
2021-05-22 10:59:49 +02:00
buffer.c
fs: Don't invalidate page buffers in block_write_full_page()
2020-11-05 11:08:46 +01:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
…
compat.c
…
coredump.c
coredump: fix crash when umh is disabled
2020-05-14 07:57:21 +02:00
d_path.c
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dax.c
dax: pass NOWAIT flag to iomap_apply
2020-03-05 16:42:12 +01:00
dcache.c
fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
2020-11-05 11:08:35 +01:00
dcookies.c
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direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-14 08:22:32 +02:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
ep_create_wakeup_source(): dentry name can change under you...
2020-10-07 08:00:09 +02:00
exec.c
exit/exec: Seperate mm_release()
2021-01-30 13:32:11 +01:00
fcntl.c
fcntl: Fix potential deadlock in send_sig{io, urg}()
2021-01-06 14:45:00 +01:00
fhandle.c
…
file_table.c
…
file.c
fix multiplication overflow in copy_fdtable()
2020-05-27 17:37:29 +02:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-17 10:48:51 +02:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
memcg: fix a crash in wb_workfn when a device disappears
2021-02-13 13:51:15 +01:00
inode.c
futex: Fix inode life-time issue
2020-03-25 08:06:14 +01:00
internal.h
…
ioctl.c
…
iomap.c
iomap: fix sub-page uptodate handling
2021-05-22 10:59:50 +02:00
Kconfig
…
Kconfig.binfmt
…
libfs.c
libfs: fix error cast of negative value in simple_attr_write()
2020-11-24 13:27:23 +01:00
locks.c
…
Makefile
…
mbcache.c
…
mount.h
…
mpage.c
…
namei.c
namei: only return -ECHILD from follow_dotdot_rcu()
2020-03-05 16:42:20 +01:00
namespace.c
fs/namespace.c: fix mountpoint reference counter race
2020-04-29 16:31:26 +02:00
no-block.c
…
nsfs.c
…
open.c
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-18 07:14:21 +01:00
pipe.c
…
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-05-02 17:26:01 +02:00
pnode.h
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posix_acl.c
…
proc_namespace.c
…
read_write.c
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readdir.c
readdir: make sure to verify directory entry for legacy interfaces too
2021-04-28 13:16:50 +02:00
select.c
kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
2021-03-24 11:07:37 +01:00
seq_file.c
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signalfd.c
fs/signalfd.c: fix inconsistent return codes for signalfd4
2020-08-26 10:31:02 +02:00
splice.c
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stack.c
…
stat.c
…
statfs.c
…
super.c
vfs: remove lockdep bogosity in __sb_start_write
2020-11-24 13:27:20 +01:00
sync.c
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timerfd.c
…
userfaultfd.c
…
utimes.c
…
xattr.c
xattr: break delegations in {set,remove}xattr
2020-08-11 15:32:34 +02:00