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bf2afee14e
linux/fs/cifs
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Ronnie Sahlberg bf2afee14e cifs: check rsp for NULL before dereferencing in SMB2_open 
In SMB2_open there are several paths where the SendReceive2
call will return an error before it sets rsp_iov.iov_base
thus leaving iov_base uninitialized.

Thus we need to check rsp before we dereference it in
the call to get_rfc1002_length().

A report of this issue was previously reported in
http://www.spinics.net/lists/linux-cifs/msg12846.html

RH-bugzilla : 1476151

Version 2 :
* Lets properly initialize rsp_iov before we use it.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>.
Signed-off-by: Steve French <smfrench@gmail.com>
Reported-by: Xiaoli Feng <xifeng@redhat.com>
CC: Stable <stable@vger.kernel.org>
2017-09-12 18:11:44 -05:00
..
asn1.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
cache.c fscache: remove unused ->now_uncached callback 2017-09-06 17:27:26 -07:00
cifs_debug.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -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: add build_path_from_dentry_optional_prefix() 2017-03-01 22:26:10 -06:00
cifs_fs_sb.h cifs: Convert to separately allocated bdi 2017-04-20 12:09:55 -06:00
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 cifs: cifsacl: Use a temporary ops variable to reduce code length 2017-05-12 19:45:18 -05:00
cifsacl.h cifs: fix SID binary to string conversion 2012-12-11 11:48:49 -06:00
cifsencrypt.c fs: cifs: replace CURRENT_TIME by other appropriate apis 2017-05-08 17:15:15 -07:00
cifsfs.c Add wait_for_random_bytes() and get_random_*_wait() functions so that 2017-07-15 12:44:02 -07:00
cifsfs.h Introduce cifs_copy_file_range() 2017-04-07 08:04:41 -05:00
cifsglob.h cifs: Add support for writing attributes on SMB2+ 2017-09-04 14:03:45 -05:00
cifspdu.h CIFS: move DFS response parsing out of SMB1 code 2017-03-01 22:26:10 -06:00
cifsproto.h cifs: Add support for writing attributes on SMB2+ 2017-09-04 14:03:45 -05:00
cifssmb.c enable xattr support for smb3 and also a bugfix 2017-09-07 16:06:14 -07:00
connect.c cifs: Check for timeout on Negotiate stage 2017-09-04 20:55:29 -05:00
dir.c CIFS: remove endian related sparse warning 2017-08-30 14:43:11 -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 fs: convert a pile of fsync routines to errseq_t based reporting 2017-08-01 08:39:29 -04:00
fscache.c NFS client updates for Linux 3.13 2013-11-08 05:57:46 +09:00
fscache.h CIFS: FS-Cache: Uncache unread pages in cifs_readpages() before freeing them 2013-09-18 10:17:03 -05:00
inode.c sched/wait: Split out the wait_bit*() APIs from <linux/wait.h> into <linux/wait_bit.h> 2017-06-20 12:19:09 +02:00
ioctl.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
Kconfig [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
link.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
Makefile [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
misc.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -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: Improve readdir verbosity 2017-06-20 19:13:47 -05:00
smb2file.c CIFS: add use_ipc flag to SMB2_ioctl() 2017-03-01 22:26:11 -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 CIFS: Display SMB2 error codes in the hex format 2017-07-08 17:23:10 -05:00
smb2misc.c CIFS: fix oplock break deadlocks 2017-05-03 10:10:10 -05:00
smb2ops.c cifs: Add support for writing attributes on SMB2+ 2017-09-04 14:03:45 -05:00
smb2pdu.c cifs: check rsp for NULL before dereferencing in SMB2_open 2017-09-12 18:11:44 -05:00
smb2pdu.h cifs: Add support for reading attributes on SMB2+ 2017-09-04 14:03:41 -05:00
smb2proto.h cifs: Add support for writing attributes on SMB2+ 2017-09-04 14:03:45 -05:00
smb2status.h CIFS: Add SMB2 status codes 2012-07-24 10:25:13 -05:00
smb2transport.c CIFS: add CONFIG_CIFS_DEBUG_KEYS to dump encryption keys 2017-07-05 19:51:04 -05:00
smbencrypt.c cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack 2016-12-14 01:44:16 -06:00
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 modify mid entry after submitting I/O in cifs_call_async 2017-07-05 19:58:08 -05:00
winucase.c [CIFS] quiet sparse compile warning 2013-09-08 14:54:24 -05:00
xattr.c cifs: Add support for writing attributes on SMB2+ 2017-09-04 14:03:45 -05:00