* [GIT] CIFS Fixes
@ 2015-10-05 20:54 Steve French
[not found] ` <CAH2r5mtH9W+3PWBZzSCPwuwN-uaVKwx2KuX8g2p=sW009CAyhg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Steve French @ 2015-10-05 20:54 UTC (permalink / raw)
To: Linus Torvalds; +Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Two fixes for problems pointed out by automated tools.
Thanks PaX/grsecurity team and Dan Carpenter (and the Smatch tool)
Please pull the following changes since commit
e3be4266d3488cbbaddf7fcc661f4473db341e46:
Merge branch 'perf-urgent-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (2015-09-27
12:51:39 -0400)
are available in the git repository at:
git://git.samba.org/sfrench/cifs-2.6.git for-next
for you to fetch changes up to 616a5399b8f11a526cedcbaeb68bc0a1b08a3f43:
[CIFS] Update cifs version number (2015-10-03 16:54:17 -0500)
----------------------------------------------------------------
Steve French (3):
[SMB3] Missing null tcon check
[SMB3] Do not fall back to SMBWriteX in set_file_size error cases
[CIFS] Update cifs version number
fs/cifs/cifsfs.h | 2 +-
fs/cifs/inode.c | 34 ----------------------------------
fs/cifs/smb2pdu.c | 2 +-
3 files changed, 2 insertions(+), 36 deletions(-)
--
Thanks,
Steve
^ permalink raw reply [flat|nested] 2+ messages in thread[parent not found: <CAH2r5mtH9W+3PWBZzSCPwuwN-uaVKwx2KuX8g2p=sW009CAyhg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>]
* Problem mounting Windows Server 2012 R2 share with newer cifs version [not found] ` <CAH2r5mtH9W+3PWBZzSCPwuwN-uaVKwx2KuX8g2p=sW009CAyhg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> @ 2015-10-06 10:46 ` Marcus Hoffmann 0 siblings, 0 replies; 2+ messages in thread From: Marcus Hoffmann @ 2015-10-06 10:46 UTC (permalink / raw) To: linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Dear all, I have a problem mounting a Windows 2012 R2 share with any newer version of cifs. I discovered that it works with version 1.61 (Ubuntu 10.04) but does not on 2.02, 2.06 and 2.07. The error I get is "Permission denied". This is the content of /proc/fs/cifs/DebugData on the old machine where mounting works: Display Internal CIFS Data Structures for Debugging --------------------------------------------------- CIFS Version 1.61 Active VFS Requests: 2 Servers: [...] 3) Name: 10.32.39.171 Domain: CHARITE Uses: 1 OS: Windows Server 2012 R2 Standard 9600 NOS: Windows Server 2012 R2 Standard 6.3 Capability: 0x1e3fc SMB session status: 1 TCP status: 1 Local Users To Server: 1 SecMode: 0x3 Req On Wire: 0 Shares: 1) \\server\share$ Mounts: 1 Type: NTFS DevInfo: 0x60020 Attributes: 0xc700ff PathComponentMax: 255 Status: 0x1 type: DISK MIDs: On the machine where it doesn't work: $ mount.cifs -V mount.cifs version: 6.0 $ uname -r 4.3.0-040300rc4-generic Below is a log I captured some time ago with an older kernel but the symptoms are completely unchanged: |[111049.530197] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifsfs.c: Devname: //SERVERNAME\share$\SHARENAME flags: 0 [111049.530215] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Username: USERNAME [111049.530218] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: file mode: 0x1ed dir mode: 0x1ed [111049.530262] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 2899 with uid: 0 [111049.530263] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: UNC: \\SERVERNAME\share$ [111049.530270] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Socket created [111049.530272] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6 [111049.534361] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/fscache.c: cifs_fscache_get_client_cookie: (0xffff8800a3ab7000/0xffff88023182b9f8) [111049.534365] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 2900 with uid: 0 [111049.534366] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Existing smb sess not found [111049.534372] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: Requesting extended security. [111049.534375] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 114 [111049.534376] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=78 [111049.534379] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Demultiplex PID: 15832 [111049.535577] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0xcd [111049.535586] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0xd1, smb_buf_length: 0xcd [111049.535630] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=114 mid=1 state=4 [111049.535634] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: Dialect: 2 [111049.535637] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/asn1.c: OID len = 10 oid = 0x1 0x3 0x6 0x1 [111049.535639] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/asn1.c: OID len = 7 oid = 0x1 0x2 0x348 0xbb92 [111049.535641] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/asn1.c: OID len = 7 oid = 0x1 0x2 0x348 0x1bb92 [111049.535642] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/asn1.c: OID len = 8 oid = 0x1 0x2 0x348 0x1bb92 [111049.535644] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/asn1.c: OID len = 10 oid = 0x1 0x3 0x6 0x1 [111049.535645] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: negprot rc 0 [111049.535647] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Security Mode: 0x7 Capabilities: 0x8001e3fc TimeAdjust: -7200 [111049.535649] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: sess setup type 4 [111049.535654] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: ntlmssp session setup phase 1 [111049.535656] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 115 [111049.535657] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=208 [111049.536864] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x18f [111049.536868] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x193, smb_buf_length: 0x18f [111049.536882] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=115 mid=2 state=4 [111049.536884] Status code returned 0xc0000016 NT_STATUS_MORE_PROCESSING_REQUIRED [111049.536887] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/netmisc.c: Mapping smb error code 0xc0000016 to POSIX err -5 [111049.536891] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [111049.536895] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: UID = 45059 [111049.536897] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: bleft 145 [111049.536900] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: serverOS=Windows Server 2012 R2 Standard 9600 [111049.536903] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: serverNOS=Windows Server 2012 R2 Standard 6.3 [111049.536906] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: ssetup freeing small buf ffff8800b3bc4700 [111049.536908] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: ntlmssp session setup phase 3 [111049.536933] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 115 [111049.536934] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=466 [111049.548253] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0xbd [111049.548258] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0xc1, smb_buf_length: 0xbd [111049.548317] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=115 mid=3 state=4 [111049.548320] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [111049.548321] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: UID = 45059 [111049.548323] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: bleft 145 [111049.548325] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: serverOS=Windows Server 2012 R2 Standard 9600 [111049.548327] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: serverNOS=Windows Server 2012 R2 Standard 6.3 [111049.548329] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: ssetup freeing small buf ffff8800b2483800 [111049.548330] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/sess.c: CIFS session established successfully [111049.548332] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 2900) rc = 0 [111049.548335] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: in cifs_get_tcon as Xid: 2901 with uid: 0 [111049.548338] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 117 [111049.548339] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=84 [111049.549807] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x3e [111049.549811] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x42, smb_buf_length: 0x3e [111049.549871] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=117 mid=4 state=4 [111049.549875] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: disk share connection [111049.549877] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: nativeFileSystem=NTFS [111049.549878] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Tcon flags: 0x1 [111049.549880] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_get_tcon (xid = 2901) rc = 0 [111049.549881] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Tcon rc = 0 [111049.549883] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/fscache.c: cifs_fscache_get_super_cookie: (0xffff88023182b9f8/0xffff8800b83b1688) [111049.549885] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: In QFSDeviceInfo [111049.549887] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 50 [111049.549888] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=68 [111049.552343] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x40 [111049.552347] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x44, smb_buf_length: 0x40 [111049.552402] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=5 state=4 [111049.552406] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: In QFSAttributeInfo [111049.552408] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 50 [111049.552410] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=68 [111049.553408] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x4c [111049.553412] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x50, smb_buf_length: 0x4c [111049.553455] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=6 state=4 [111049.553460] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: build_unc_path_to_root: full_path=\\SERVERNAME\share$\SHARENAME [111049.553462] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 117 [111049.553464] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=90 [111049.554429] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x38 [111049.554434] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x3c, smb_buf_length: 0x38 [111049.554477] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=117 mid=7 state=4 [111049.554481] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: Tcon rc = 0 ipc_tid = 24579 [111049.554482] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: In GetDFSRefer the path \SERVERNAME\share$ [111049.554485] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 50 [111049.554486] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=102 [111049.555224] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x23 [111049.555228] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x27, smb_buf_length: 0x23 [111049.555229] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/smb1ops.c: invalid transact2 word count [111049.555271] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=8 state=4 [111049.555275] Status code returned 0xc000019c NT_STATUS_FS_DRIVER_REQUIRED [111049.555277] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/netmisc.c: Mapping smb error code 0xc000019c to POSIX err -5 [111049.555279] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: Send error in GetDFSRefer = -5 [111049.555283] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 50 [111049.555285] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=94 [111049.556415] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x98 [111049.556418] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x9c, smb_buf_length: 0x98 [111049.556442] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=9 state=4 [111049.556446] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 2899) rc = 0 [111049.556456] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/inode.c: CIFS VFS: in cifs_root_iget as Xid: 2902 with uid: 0 [111049.556458] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/inode.c: Getting info on [111049.556460] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 50 [111049.556462] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=74 [111049.559115] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x23 [111049.559120] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x27, smb_buf_length: 0x23 [111049.559121] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/smb1ops.c: invalid transact2 word count [111049.559185] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=10 state=4 [111049.559188] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED [111049.559193] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13 [111049.559195] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: Send error in QPathInfo = -13 [111049.559197] CIFS VFS: cifs_read_super: get root inode failed [111049.559201] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: cifs_put_tcon: tc_count=1 [111049.559203] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: in cifs_put_tcon as Xid: 2903 with uid: 0 [111049.559204] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: In tree disconnect [111049.559206] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 113 [111049.559207] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=35 [111049.559923] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x23 [111049.559926] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x27, smb_buf_length: 0x23 [111049.559974] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=113 mid=11 state=4 [111049.559978] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/fscache.c: cifs_fscache_release_super_cookie: (0xffff8800b83b1688) [111049.559981] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: cifs_put_smb_ses: ses_count=1 [111049.559983] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: CIFS VFS: in cifs_put_smb_ses as Xid: 2904 with uid: 0 [111049.559984] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/cifssmb.c: In SMBLogoff for session disconnect [111049.559986] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: For smb_command 116 [111049.559987] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: Sending smb: smb_len=39 [111049.560839] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/connect.c: RFC1002 header 0x27 [111049.560843] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/misc.c: checkSMB Length: 0x2b, smb_buf_length: 0x27 [111049.560855] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=116 mid=12 state=4 [111049.560861] /build/buildd/linux-lts-utopic-3.16.0/fs/cifs/fscache.c: cifs_fscache_release_client_cookie: (0xffff8800a3ab7000/0xffff88023182b9f8)| ^ permalink raw reply [flat|nested] 2+ messages in thread
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2015-10-05 20:54 [GIT] CIFS Fixes Steve French
[not found] ` <CAH2r5mtH9W+3PWBZzSCPwuwN-uaVKwx2KuX8g2p=sW009CAyhg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-06 10:46 ` Problem mounting Windows Server 2012 R2 share with newer cifs version Marcus Hoffmann
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