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Ronnie Sahlberg 5716a37020 cifs: fix memory leak in smb2_copychunk_range 
commit d201d7631ca170b038e7f8921120d05eec70d7c5 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: 9bf0c9cd4314 ("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 11:29:06 +02:00
..
asn1.c
cifs: remove bogus debug code
2020-10-29 09:05:32 +01:00
cache.c
…
cifs_debug.c
smb3: allow stats which track session and share reconnects to be reset
2018-11-13 11:17:01 -08:00
cifs_debug.h
lib: update single-char callers of strtobool()
2016-03-17 15:09:34 -07:00
cifs_dfs_ref.c
cifs: use correct format characters
2019-04-05 22:29:07 +02:00
cifs_fs_sb.h
CIFS: Add new mount option to set owner uid and gid from special sids in acl
2016-10-14 14:22:01 -05:00
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 11:17:01 -08:00
cifs_spnego.h
…
cifs_unicode.c
Convert trailing spaces and periods in path components
2020-11-18 18:26:32 +01:00
cifs_unicode.h
CIFS: add misssing SFM mapping for doublequote
2017-05-20 14:28:40 +02:00
cifs_uniupr.h
…
cifsacl.c
cifs: Fix mode output in debugging statements
2020-03-11 07:53:04 +01:00
cifsacl.h
…
cifsencrypt.c
CIFS: zero sensitive data when freeing
2018-02-17 13:21:12 +01:00
cifsfs.c
cifs: return proper error code in statfs(2)
2021-03-17 16:10:13 +01:00
cifsfs.h
cifs: don't use ->d_time
2016-09-16 12:44:21 +02:00
cifsglob.h
CIFS: Properly process SMB3 lease breaks
2020-10-01 20:40:04 +02:00
cifspdu.h
Add way to query server fs info for smb3
2015-08-20 10:19:25 -05:00
cifsproto.h
cifs: Fix cifsInodeInfo lock_sem deadlock when reconnect occurs
2019-11-10 11:23:21 +01:00
cifssmb.c
cifs: Check for timeout on Negotiate stage
2020-05-20 08:15:34 +02:00
connect.c
Revert "cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath."
2021-04-16 11:59:11 +02:00
dir.c
cifs: report error instead of invalid when revalidating a dentry fails
2021-02-10 09:09:26 +01:00
dns_resolve.c
…
dns_resolve.h
…
export.c
…
file.c
cifs: revalidate mapping when we open files for SMB1 POSIX
2021-04-10 13:04:44 +02:00
fscache.c
…
fscache.h
…
inode.c
Revert "cifs: Fix the target file was deleted when rename failed."
2020-07-31 16:44:04 +02:00
ioctl.c
cifs: fix CIFS_IOC_GET_MNT_INFO oops
2017-05-20 14:28:40 +02:00
Kconfig
Revert "cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs)"
2019-02-15 08:07:39 +01:00
link.c
smb3: don't request leases in symlink creation and query
2018-09-05 09:20:05 +02:00
Makefile
cifs: Switch to generic xattr handlers
2016-04-23 15:33:03 -04:00
misc.c
CIFS: Properly process SMB3 lease breaks
2020-10-01 20:40:04 +02:00
netmisc.c
fs: cifs: mute -Wunused-const-variable message
2019-11-06 12:18:08 +01:00
nterr.c
…
nterr.h
…
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 19:44:58 +01:00
rfc1002pdu.h
…
sess.c
cifs: check kmalloc before use
2018-09-05 09:20:05 +02:00
smb1ops.c
CIFS: Properly process SMB3 lease breaks
2020-10-01 20:40:04 +02:00
smb2file.c
cifs: Adjust indentation in smb2_open_file
2020-01-23 08:19:35 +01:00
smb2glob.h
SMB3: Add mount parameter to allow user to override max credits
2016-10-12 12:08:33 -05:00
smb2inode.c
smb3: Do not send SMB3 SET_INFO if nothing changed
2018-09-05 09:20:05 +02:00
smb2maperror.c
fix incorrect error code mapping for OBJECTID_NOT_FOUND
2019-04-20 09:07:50 +02:00
smb2misc.c
cifs: Silently ignore unknown oplock break handle
2021-04-10 13:04:45 +02:00
smb2ops.c
cifs: fix memory leak in smb2_copychunk_range
2021-05-26 11:29:06 +02:00
smb2pdu.c
smb3: warn on confusing error scenario with sec=krb5
2020-08-21 11:02:06 +02:00
smb2pdu.h
CIFS: Properly process SMB3 lease breaks
2020-10-01 20:40:04 +02:00
smb2proto.h
Handle mismatched open calls
2017-05-08 07:47:55 +02:00
smb2status.h
…
smb2transport.c
Handle mismatched open calls
2017-05-08 07:47:55 +02:00
smbencrypt.c
cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack
2017-01-06 10:40:16 +01:00
smberr.h
…
smbfsctl.h
[SMB3] Send durable handle v2 contexts when use of persistent handles required
2015-11-03 09:26:27 -06:00
transport.c
CIFS: Do not hide EINTR after sending network packets
2019-01-16 22:12:31 +01:00
winucase.c
…
xattr.c
CIFS: fix max ea value size
2019-10-05 12:30:36 +02:00