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linux-stable/fs/cifs
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Gustavo A. R. Silva c0953f2ed5 cifs: smb2pdu: Fix potential NULL pointer dereference 
tcon->ses is being dereferenced before it is null checked, hence
there is a potential null pointer dereference.

Fix this by moving the pointer dereference after tcon->ses has
been properly null checked.

Addresses-Coverity-ID: 1467426 ("Dereference before null check")
Fixes: 93012bf984 ("cifs: add server->vals->header_preamble_size")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2018-04-11 16:44:58 -05:00
..
asn1.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
cache.c fscache: Pass object size in rather than calling back for it 2018-04-06 14:05:14 +01:00
cifs_debug.c Add some missing debug fields in server and tcon structs 2018-02-07 09:36:38 -06:00
cifs_debug.h lib: update single-char callers of strtobool() 2016-03-17 15:09:34 -07:00
cifs_dfs_ref.c CIFS: add build_path_from_dentry_optional_prefix() 2017-03-01 22:26:10 -06:00
cifs_fs_sb.h Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
cifs_ioctl.h Enable previous version support 2016-10-13 19:48:11 -05:00
cifs_spnego.c cifs: Create dedicated keyring for spnego operations 2016-05-19 21:56:30 -05:00
cifs_spnego.h
cifs_unicode.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
cifs_unicode.h [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
cifs_uniupr.h
cifsacl.c fs/cifs/cifsacl.c Fixes typo in a comment 2018-01-28 09:19:45 -06:00
cifsacl.h cifs: fix SID binary to string conversion 2012-12-11 11:48:49 -06:00
cifsencrypt.c CIFS: fix sha512 check in cifs_crypto_secmech_release 2018-04-01 20:24:40 -05:00
cifsfs.c CIFS: add sha512 secmech 2018-04-01 20:24:39 -05:00
cifsfs.h update internal version number for cifs.ko 2018-01-26 17:03:01 -06:00
cifsglob.h smb3: Fix root directory when server returns inode number of zero 2018-04-02 13:11:03 -05:00
cifspdu.h CIFS: move DFS response parsing out of SMB1 code 2017-03-01 22:26:10 -06:00
cifsproto.h CIFS: refactor crypto shash/sdesc allocation&free 2018-04-01 20:24:39 -05:00
cifssmb.c cifs: add server->vals->header_preamble_size 2018-04-02 13:09:44 -05:00
connect.c cifs: add server->vals->header_preamble_size 2018-04-02 13:09:44 -05:00
dir.c cifs: check MaxPathNameComponentLength != 0 before using it 2017-10-30 02:11:38 -05:00
dns_resolve.c cifs: fix composing of mount options for DFS referrals 2013-05-24 13:08:31 -05:00
dns_resolve.h
export.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
file.c page cache: use xa_lock 2018-04-11 10:28:39 -07:00
fscache.c fscache: Pass object size in rather than calling back for it 2018-04-06 14:05:14 +01:00
fscache.h fscache: Attach the index key and aux data to the cookie 2018-04-04 13:41:28 +01:00
inode.c smb3: Fix root directory when server returns inode number of zero 2018-04-02 13:11:03 -05:00
ioctl.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
Kconfig SMB3.1.1 dialect is no longer experimental 2018-04-01 20:24:40 -05:00
link.c CIFS: refactor crypto shash/sdesc allocation&free 2018-04-01 20:24:39 -05:00
Makefile CIFS: SMBD: Establish SMB Direct connection 2018-01-24 19:49:05 -06:00
misc.c CIFS: refactor crypto shash/sdesc allocation&free 2018-04-01 20:24:39 -05:00
netmisc.c cifs: small underflow in cnvrtDosUnixTm() 2017-05-02 14:57:34 -05:00
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: initialize file_info_lock 2017-01-14 14:58:29 -06:00
rfc1002pdu.h
sess.c smb2: Enforce sec= mount option 2017-03-02 23:13:37 -06:00
smb1ops.c cifs: add server->vals->header_preamble_size 2018-04-02 13:09:44 -05:00
smb2file.c CIFS: use tcon_ipc instead of use_ipc parameter of SMB2_ioctl 2018-01-26 17:03:00 -06:00
smb2glob.h CIFS: Separate SMB2 header structure 2017-02-01 16:46:34 -06:00
smb2inode.c Do not send SMB3 SET_INFO request if nothing is changing 2016-10-13 19:46:51 -05:00
smb2maperror.c Don't log expected error on DFS referral request 2018-04-01 20:24:40 -05:00
smb2misc.c cifs: fix sparse warning on previous patch in a few printks 2018-04-02 13:10:40 -05:00
smb2ops.c cifs: add server->vals->header_preamble_size 2018-04-02 13:09:44 -05:00
smb2pdu.c cifs: smb2pdu: Fix potential NULL pointer dereference 2018-04-11 16:44:58 -05:00
smb2pdu.h cifs: Add minor debug message during negprot 2018-04-02 13:11:15 -05:00
smb2proto.h CIFS: implement v3.11 preauth integrity 2018-04-01 20:24:40 -05:00
smb2status.h CIFS: Add SMB2 status codes 2012-07-24 10:25:13 -05:00
smb2transport.c CIFS: add sha512 secmech 2018-04-01 20:24:39 -05:00
smbdirect.c cifs: smbd: disconnect transport on RDMA errors 2018-04-01 20:24:40 -05:00
smbdirect.h move a few externs to smbdirect.h to eliminate warning 2018-01-26 17:03:00 -06:00
smbencrypt.c CIFS: refactor crypto shash/sdesc allocation&free 2018-04-01 20:24:39 -05:00
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: add server->vals->header_preamble_size 2018-04-02 13:09:44 -05:00
winucase.c [CIFS] quiet sparse compile warning 2013-09-08 14:54:24 -05:00
xattr.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00