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

..

asn1.c

cifs: remove bogus debug code

2020-10-29 09:54:59 +01:00

cache.c

cifs: use 64-bit timestamps for fscache

2018-08-07 14:15:41 -05:00

cifs_debug.c

cifs: Don't display RDMA transport on reconnect

2019-12-21 10:57:33 +01:00

cifs_debug.h

cifs: add server argument to the dump_detail method

2018-05-27 17:56:35 -05:00

cifs_dfs_ref.c

cifs: use correct format characters

2019-04-05 22:32:59 +02:00

cifs_fs_sb.h

cifs: Properly handle auto disabling of serverino option

2019-09-16 08:22:17 +02:00

cifs_ioctl.h

Enable previous version support

2016-10-13 19:48:11 -05:00

cifs_spnego.c

smb3: on kerberos mount if server doesn't specify auth type use krb5

2018-11-13 11:08:48 -08:00

cifs_spnego.h

[CIFS] Rename three structures to avoid camel case

2011-05-27 04:34:02 +00:00

cifs_unicode.c

Convert trailing spaces and periods in path components

2020-11-18 19:18:53 +01:00

cifs_unicode.h

[SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred

2017-07-08 18:57:07 -05:00

cifs_uniupr.h

cifs: correction of unicode header files

2010-08-20 00:46:42 +00:00

cifsacl.c

cifs: Fix mode output in debugging statements

2020-03-05 16:42:15 +01:00

cifsacl.h

cifs: For SMB2 security informaion query, check for minimum sized security descriptor instead of sizeof FileAllInformation class

2018-06-04 19:19:24 -05:00

cifsencrypt.c

cifs: Make sure all data pages are signed correctly

2018-08-07 14:15:41 -05:00

cifsfs.c

cifs: return proper error code in statfs(2)

2021-03-17 16:43:43 +01:00

cifsfs.h

cifs: update internal module version number for cifs.ko to 2.12

2018-08-23 15:11:10 -05:00

cifsglob.h

CIFS: Properly process SMB3 lease breaks

2020-10-01 13:14:29 +02:00

cifspdu.h

CIFS: move DFS response parsing out of SMB1 code

2017-03-01 22:26:10 -06:00

cifsproto.h

cifs: Fix cifsInodeInfo lock_sem deadlock when reconnect occurs

2019-11-10 11:27:34 +01:00

cifssmb.c

cifs: fix leaked reference on requeued write

2020-05-20 08:18:49 +02:00

connect.c

Revert "cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath."

2021-04-14 08:22:37 +02:00

dir.c

cifs: report error instead of invalid when revalidating a dentry fails

2021-02-10 09:21:07 +01:00

dns_resolve.c

cifs: fix composing of mount options for DFS referrals

2013-05-24 13:08:31 -05:00

dns_resolve.h

DNS: Separate out CIFS DNS Resolver code

2010-08-05 17:17:51 +00:00

export.c

[CIFS] cifs: Rename cERROR and cFYI to cifs_dbg

2013-05-04 22:17:23 -05:00

file.c

cifs: revalidate mapping when we open files for SMB1 POSIX

2021-04-10 13:21:19 +02:00

fscache.c

cifs: use 64-bit timestamps for fscache

2018-08-07 14:15:41 -05:00

fscache.h

cifs: use 64-bit timestamps for fscache

2018-08-07 14:15:41 -05:00

inode.c

cifs: handle -EINTR in cifs_setattr

2020-11-05 11:08:44 +01:00

ioctl.c

[SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred

2017-07-08 18:57:07 -05:00

Kconfig

cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs)

2018-12-21 14:15:23 +01:00

link.c

smb3: don't request leases in symlink creation and query

2018-08-07 14:15:57 -05:00

Makefile

smb3: Add ftrace tracepoints for improved SMB3 debugging

2018-05-27 17:56:35 -05:00

misc.c

CIFS: Properly process SMB3 lease breaks

2020-10-01 13:14:29 +02:00

netmisc.c

fs: cifs: mute -Wunused-const-variable message

2019-11-06 13:05:51 +01:00

nterr.c

CIFS: Rename 7 error codes to NT_ style

2012-07-24 10:25:10 -05:00

nterr.h

CIFS: Rename 7 error codes to NT_ style

2012-07-24 10:25:10 -05:00

ntlmssp.h

cifs: dynamic allocation of ntlmssp blob

2016-06-23 23:45:07 -05:00

readdir.c

cifs: check ntwrk_buf_start for NULL before dereferencing it

2019-02-12 19:47:17 +01:00

rfc1002pdu.h

[CIFS] whitespace cleanup

2007-06-05 18:30:44 +00:00

sess.c

cifs: check kmalloc before use

2018-08-23 15:10:49 -05:00

smb1ops.c

CIFS: Properly process SMB3 lease breaks

2020-10-01 13:14:29 +02:00

smb2file.c

cifs: Adjust indentation in smb2_open_file

2020-01-17 19:47:01 +01:00

smb2glob.h

cifs: remove struct smb2_hdr

2018-06-01 09:14:30 -05:00

smb2inode.c

smb3: Do not send SMB3 SET_INFO if nothing changed

2018-08-07 14:30:59 -05:00

smb2maperror.c

SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write

2019-06-25 11:36:01 +08:00

smb2misc.c

cifs: Silently ignore unknown oplock break handle

2021-04-10 13:21:19 +02:00

smb2ops.c

cifs: fix memory leak in smb2_copychunk_range

2021-05-26 11:48:32 +02:00

smb2pdu.c

SMB3.1.1: do not log warning message if server doesn't populate salt

2020-12-30 11:26:13 +01:00

smb2pdu.h

smb3: Fix out-of-bounds bug in SMB2_negotiate()

2021-02-10 09:21:07 +01:00

smb2proto.h

CIFS: Close open handle after interrupted close

2019-12-21 10:57:35 +01:00

smb2status.h

CIFS: Add SMB2 status codes

2012-07-24 10:25:13 -05:00

smb2transport.c

CIFS: Do not skip SMB2 message IDs on send failures

2019-03-23 20:09:56 +01:00

smbdirect.c

cifs: smbd: Return -EINVAL when the number of iovs exceeds SMBDIRECT_MAX_SGE

2019-12-21 10:57:32 +01:00

smbdirect.h

cifs: smbd: take an array of reqeusts when sending upper layer data

2019-09-16 08:22:13 +02:00

smbencrypt.c

CIFS: refactor crypto shash/sdesc allocation&free

2018-04-01 20:24:39 -05:00

smberr.h

cifs: map NT_STATUS_ERROR_WRITE_PROTECTED to -EROFS

2010-08-02 12:40:40 +00:00

smbfsctl.h

[SMB3] Send durable handle v2 contexts when use of persistent handles required

2015-11-03 09:26:27 -06:00

trace.c

smb3: Add ftrace tracepoints for improved SMB3 debugging

2018-05-27 17:56:35 -05:00

trace.h

smb3: add tracepoint for slow responses

2018-08-07 14:28:01 -05:00

transport.c

cifs: Fix preauth hash corruption

2021-03-24 11:07:39 +01:00

winucase.c

[CIFS] quiet sparse compile warning

2013-09-08 14:54:24 -05:00

xattr.c

CIFS: fix max ea value size

2019-10-05 13:10:12 +02:00