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* CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
@ 2012-12-04 13:23 sergio.conrad
  2012-12-04 19:06 ` Steve French
  0 siblings, 1 reply; 6+ messages in thread
From: sergio.conrad @ 2012-12-04 13:23 UTC (permalink / raw)
  To: linux-cifs-u79uwXL29TY76Z2rM5mHXA

Hi,

I have a problem with users losing their connections from linux clients with cifs share. (Windows 2008) :CIFS VFS: Unexpected SMB signature
I am using two methods for mounting: pam_mount and autofs, both with same results.

I am using mount options nounix,noserverino

I am lauching cifs module on boot (rc.local) with
modprobe cifs
echo 0 > /proc/fs/cifs/OplockEnabled
echo 1 > /proc/fs/cifs/MultiuserMount
echo 7 > /proc/fs/cifs/cifsFYI

What happens : 
in /var/log/messages
=====================
Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS: Unexpected lookup error -512
Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS: Unexpected SMB signature

This user was working since one hour with no problem :
Daemon log :
=============
Dec 3 16:29:35 u1205-08l cifs.upcall: key description: cifs.spnego;0;0;3f000000
;ver=0x2;host=figue;ip4=130.120.8.11;sec=krb5;uid=0x1000005;creduid=0x1000005;us
er=21206xxx;pid=0x65f
Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2
Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue
Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11
Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1
Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221
Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221
Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx
Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631
Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering /tmp/krb5cc_167
77221
Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: FILE:/tmp/krb5cc_16777221 i
s valid ccache

in dmesg
=========
fs/cifs/inode.c: Getting info on \21206xxx\TP9
[ 3735.419612] fs/cifs/transport.c: For smb_command 50
[ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104
[ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23
[ 3735.420261] fs/cifs/connect.c: invalid transact2 word count
[ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=37012 state=4
[ 3735.422406] CIFS VFS: Unexpected SMB signature
[ 3735.422408] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED
[ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13
[ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13
[ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid = 76854) rc = -13
[ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid: 76855 with uid: 16777221
[ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is: TP9 and dentry = 0xf074e300
[ 3735.422429] fs/cifs/dir.c: NULL inode in lookup
[ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x (null)

I don't understand what happens...
NULL inode in lookup ... What about noserverino option ?
Perhaps an unresponsive server... The network infrastructure is old. Last year I got this working very well, but the server was in a better place (switch and network infrastructure speaking)

Regards,
Thanks in advance
Serge Conrad

Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
Je crée ma boîte mail www.laposte.net

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
  2012-12-04 13:23 CIFS VFS: Unexpected SMB signature ...NULL inode in lookup sergio.conrad
@ 2012-12-04 19:06 ` Steve French
       [not found]   ` <CAH2r5mv6mzbNCCd=sGf7Kb2nDiMrYyemFQTib9cW-YfAL1ydEg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
  0 siblings, 1 reply; 6+ messages in thread
From: Steve French @ 2012-12-04 19:06 UTC (permalink / raw)
  To: sergio.conrad; +Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA

What kernel version?

I would not expect the "noserverino" mount option to be a factor.
Jeff did fix one warning relating to unexpected signatures in this
patch, see below (which I don't think is your issue (if the signature
is coming on a transact2 request).

commit 9c4843ea576107a3c1fb94f2f758f198e9fe9e54
Author: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Date:   Mon Jun 6 15:40:23 2011 -0400

    cifs: silence printk when establishing first session on socket

    When signing is enabled, the first session that's established on a
    socket will cause a printk like this to pop:

        CIFS VFS: Unexpected SMB signature

    This is because the key exchange hasn't happened yet, so the signature
    field is bogus. Don't try to check the signature on the socket until the
    first session has been established. Also, eliminate the specific check
    for SMB_COM_NEGOTIATE since this check covers that case too.


On Tue, Dec 4, 2012 at 7:23 AM, sergio.conrad <sergio.conrad-QFKgK+z4sOpNg+MwTxZMZA@public.gmane.orgt> wrote:
> Hi,
>
> I have a problem with users losing their connections from linux clients with cifs share. (Windows 2008) :CIFS VFS: Unexpected SMB signature
> I am using two methods for mounting: pam_mount and autofs, both with same results.
>
> I am using mount options nounix,noserverino
>
> I am lauching cifs module on boot (rc.local) with
> modprobe cifs
> echo 0 > /proc/fs/cifs/OplockEnabled
> echo 1 > /proc/fs/cifs/MultiuserMount
> echo 7 > /proc/fs/cifs/cifsFYI
>
> What happens :
> in /var/log/messages
> =====================
> Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS: Unexpected lookup error -512
> Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS: Unexpected SMB signature
>
> This user was working since one hour with no problem :
> Daemon log :
> =============
> Dec 3 16:29:35 u1205-08l cifs.upcall: key description: cifs.spnego;0;0;3f000000
> ;ver=0x2;host=figue;ip4=130.120.8.11;sec=krb5;uid=0x1000005;creduid=0x1000005;us
> er=21206xxx;pid=0x65f
> Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2
> Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue
> Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11
> Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1
> Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221
> Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221
> Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx
> Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631
> Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering /tmp/krb5cc_167
> 77221
> Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: FILE:/tmp/krb5cc_16777221 i
> s valid ccache
>
> in dmesg
> =========
> fs/cifs/inode.c: Getting info on \21206xxx\TP9
> [ 3735.419612] fs/cifs/transport.c: For smb_command 50
> [ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104
> [ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23
> [ 3735.420261] fs/cifs/connect.c: invalid transact2 word count
> [ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=37012 state=4
> [ 3735.422406] CIFS VFS: Unexpected SMB signature
> [ 3735.422408] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED
> [ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13
> [ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13
> [ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid = 76854) rc = -13
> [ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid: 76855 with uid: 16777221
> [ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is: TP9 and dentry = 0xf074e300
> [ 3735.422429] fs/cifs/dir.c: NULL inode in lookup
> [ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x (null)
>
> I don't understand what happens...
> NULL inode in lookup ... What about noserverino option ?
> Perhaps an unresponsive server... The network infrastructure is old. Last year I got this working very well, but the server was in a better place (switch and network infrastructure speaking)
>
> Regards,
> Thanks in advance
> Serge Conrad
>
> Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
> Je crée ma boîte mail www.laposte.net
> --
> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



-- 
Thanks,

Steve

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
       [not found]   ` <CAH2r5mv6mzbNCCd=sGf7Kb2nDiMrYyemFQTib9cW-YfAL1ydEg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
@ 2012-12-05 14:43     ` sergio.conrad
  2012-12-05 15:18       ` Steve French
  0 siblings, 1 reply; 6+ messages in thread
From: sergio.conrad @ 2012-12-05 14:43 UTC (permalink / raw)
  To: Steve French; +Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA

Hello,

The log are from 2.6.43.8-1.fc15.x86_64.
I see also the error CIFS VFS: Unexpected SMB signature with the same environnement on a 3.6.6-1.fc16.x86_64

Thanks,

Serge


> Message du 04/12/12 20:06
> De : "Steve French" 
> A : "sergio.conrad" 
> Copie à : linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
>
> What kernel version?
> 
> I would not expect the "noserverino" mount option to be a factor.
> Jeff did fix one warning relating to unexpected signatures in this
> patch, see below (which I don't think is your issue (if the signature
> is coming on a transact2 request).
> 
> commit 9c4843ea576107a3c1fb94f2f758f198e9fe9e54
> Author: Jeff Layton 
> Date: Mon Jun 6 15:40:23 2011 -0400
> 
> cifs: silence printk when establishing first session on socket
> 
> When signing is enabled, the first session that's established on a
> socket will cause a printk like this to pop:
> 
> CIFS VFS: Unexpected SMB signature
> 
> This is because the key exchange hasn't happened yet, so the signature
> field is bogus. Don't try to check the signature on the socket until the
> first session has been established. Also, eliminate the specific check
> for SMB_COM_NEGOTIATE since this check covers that case too.
> 
> 
> On Tue, Dec 4, 2012 at 7:23 AM, sergio.conrad  wrote:
> > Hi,
> >
> > I have a problem with users losing their connections from linux clients with cifs share. (Windows 2008) :CIFS VFS: Unexpected SMB signature
> > I am using two methods for mounting: pam_mount and autofs, both with same results.
> >
> > I am using mount options nounix,noserverino
> >
> > I am lauching cifs module on boot (rc.local) with
> > modprobe cifs
> > echo 0 > /proc/fs/cifs/OplockEnabled
> > echo 1 > /proc/fs/cifs/MultiuserMount
> > echo 7 > /proc/fs/cifs/cifsFYI
> >
> > What happens :
> > in /var/log/messages
> > =====================
> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS: Unexpected lookup error -512
> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS: Unexpected SMB signature
> >
> > This user was working since one hour with no problem :
> > Daemon log :
> > =============
> > Dec 3 16:29:35 u1205-08l cifs.upcall: key description: cifs.spnego;0;0;3f000000
> > ;ver=0x2;host=figue;ip4=130.xxx.xxx.xxx;sec=krb5;uid=0x1000005;creduid=0x1000005;us
> > er=21206xxx;pid=0x65f
> > Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2
> > Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue
> > Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11
> > Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1
> > Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221
> > Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221
> > Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx
> > Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631
> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering /tmp/krb5cc_167
> > 77221
> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: FILE:/tmp/krb5cc_16777221 i
> > s valid ccache
> >
> > in dmesg
> > =========
> > fs/cifs/inode.c: Getting info on \21206xxx\TP9
> > [ 3735.419612] fs/cifs/transport.c: For smb_command 50
> > [ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104
> > [ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23
> > [ 3735.420261] fs/cifs/connect.c: invalid transact2 word count
> > [ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=37012 state=4
> > [ 3735.422406] CIFS VFS: Unexpected SMB signature
> > [ 3735.422408] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED
> > [ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13
> > [ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13
> > [ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid = 76854) rc = -13
> > [ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid: 76855 with uid: 16777221
> > [ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is: TP9 and dentry = 0xf074e300
> > [ 3735.422429] fs/cifs/dir.c: NULL inode in lookup
> > [ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x (null)
> >
> > I don't understand what happens...
> > NULL inode in lookup ... What about noserverino option ?
> > Perhaps an unresponsive server... The network infrastructure is old. Last year I got this working very well, but the server was in a better place (switch and network infrastructure speaking)
> >
> > Regards,
> > Thanks in advance
> > Serge Conrad
> >
> > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
> > Je crée ma boîte mail www.laposte.net
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> 
> 
> 
> -- 
> Thanks,
> 
> Steve
> --
> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> 

Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
Je crée ma boîte mail www.laposte.net

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
  2012-12-05 14:43     ` sergio.conrad
@ 2012-12-05 15:18       ` Steve French
       [not found]         ` <CAH2r5msFLc2Sv1oYO6MVHQVSYQBt9fs+TWHAsgtwPxq302ayBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
  0 siblings, 1 reply; 6+ messages in thread
From: Steve French @ 2012-12-05 15:18 UTC (permalink / raw)
  To: sergio.conrad; +Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA

Could you open a bugzilla bug at bugzilla.samba.org and if possible
attach a network trace around the time that this is triggered (if it
is trivial to reproduce)
https://wiki.samba.org/index.php/Capture_Packets

On Wed, Dec 5, 2012 at 8:43 AM, sergio.conrad <sergio.conrad-QFKgK+z4sOpNg+MwTxZMZA@public.gmane.orgt> wrote:
> Hello,
>
> The log are from 2.6.43.8-1.fc15.x86_64.
> I see also the error CIFS VFS: Unexpected SMB signature with the same environnement on a 3.6.6-1.fc16.x86_64
>
> Thanks,
>
> Serge
>
>
>> Message du 04/12/12 20:06
>> De : "Steve French"
>> A : "sergio.conrad"
>> Copie à : linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
>>
>> What kernel version?
>>
>> I would not expect the "noserverino" mount option to be a factor.
>> Jeff did fix one warning relating to unexpected signatures in this
>> patch, see below (which I don't think is your issue (if the signature
>> is coming on a transact2 request).
>>
>> commit 9c4843ea576107a3c1fb94f2f758f198e9fe9e54
>> Author: Jeff Layton
>> Date: Mon Jun 6 15:40:23 2011 -0400
>>
>> cifs: silence printk when establishing first session on socket
>>
>> When signing is enabled, the first session that's established on a
>> socket will cause a printk like this to pop:
>>
>> CIFS VFS: Unexpected SMB signature
>>
>> This is because the key exchange hasn't happened yet, so the signature
>> field is bogus. Don't try to check the signature on the socket until the
>> first session has been established. Also, eliminate the specific check
>> for SMB_COM_NEGOTIATE since this check covers that case too.
>>
>>
>> On Tue, Dec 4, 2012 at 7:23 AM, sergio.conrad  wrote:
>> > Hi,
>> >
>> > I have a problem with users losing their connections from linux clients with cifs share. (Windows 2008) :CIFS VFS: Unexpected SMB signature
>> > I am using two methods for mounting: pam_mount and autofs, both with same results.
>> >
>> > I am using mount options nounix,noserverino
>> >
>> > I am lauching cifs module on boot (rc.local) with
>> > modprobe cifs
>> > echo 0 > /proc/fs/cifs/OplockEnabled
>> > echo 1 > /proc/fs/cifs/MultiuserMount
>> > echo 7 > /proc/fs/cifs/cifsFYI
>> >
>> > What happens :
>> > in /var/log/messages
>> > =====================
>> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS: Unexpected lookup error -512
>> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS: Unexpected SMB signature
>> >
>> > This user was working since one hour with no problem :
>> > Daemon log :
>> > =============
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: key description: cifs.spnego;0;0;3f000000
>> > ;ver=0x2;host=figue;ip4=130.xxx.xxx.xxx;sec=krb5;uid=0x1000005;creduid=0x1000005;us
>> > er=21206xxx;pid=0x65f
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering /tmp/krb5cc_167
>> > 77221
>> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: FILE:/tmp/krb5cc_16777221 i
>> > s valid ccache
>> >
>> > in dmesg
>> > =========
>> > fs/cifs/inode.c: Getting info on \21206xxx\TP9
>> > [ 3735.419612] fs/cifs/transport.c: For smb_command 50
>> > [ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104
>> > [ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23
>> > [ 3735.420261] fs/cifs/connect.c: invalid transact2 word count
>> > [ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=37012 state=4
>> > [ 3735.422406] CIFS VFS: Unexpected SMB signature
>> > [ 3735.422408] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED
>> > [ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13
>> > [ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13
>> > [ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid = 76854) rc = -13
>> > [ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid: 76855 with uid: 16777221
>> > [ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is: TP9 and dentry = 0xf074e300
>> > [ 3735.422429] fs/cifs/dir.c: NULL inode in lookup
>> > [ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x (null)
>> >
>> > I don't understand what happens...
>> > NULL inode in lookup ... What about noserverino option ?
>> > Perhaps an unresponsive server... The network infrastructure is old. Last year I got this working very well, but the server was in a better place (switch and network infrastructure speaking)
>> >
>> > Regards,
>> > Thanks in advance
>> > Serge Conrad
>> >
>> > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
>> > Je crée ma boîte mail www.laposte.net
>> > --
>> > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
>> > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> > More majordomo info at http://vger.kernel.org/majordomo-info.html
>>
>>
>>
>> --
>> Thanks,
>>
>> Steve
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
>> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>
>
> Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
> Je crée ma boîte mail www.laposte.net



-- 
Thanks,

Steve

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
       [not found]         ` <CAH2r5msFLc2Sv1oYO6MVHQVSYQBt9fs+TWHAsgtwPxq302ayBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
@ 2012-12-07 14:19           ` sergio.conrad
  0 siblings, 0 replies; 6+ messages in thread
From: sergio.conrad @ 2012-12-07 14:19 UTC (permalink / raw)
  To: Steve French; +Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA

Hi,

I did it at https://bugzilla.samba.org/show_bug.cgi?id=9477
I will try to do a network trace, but the bug don't
appears often. About three times every day but not on the same machine. 

Thanks,
Serge
> Message du 05/12/12 16:18
> De : "Steve French" 
> A : "sergio.conrad" 
> Copie à : linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
>
> Could you open a bugzilla bug at bugzilla.samba.org and if possible
> attach a network trace around the time that this is triggered (if it
> is trivial to reproduce)
> https://wiki.samba.org/index.php/Capture_Packets
> 
> On Wed, Dec 5, 2012 at 8:43 AM, sergio.conrad  wrote:
> > Hello,
> >
> > The log are from 2.6.43.8-1.fc15.x86_64.
> > I see also the error CIFS VFS: Unexpected SMB signature with the same environnement on a 3.6.6-1.fc16.x86_64
> >
> > Thanks,
> >
> > Serge
> >
> >
> >> Message du 04/12/12 20:06
> >> De : "Steve French"
> >> A : "sergio.conrad"
> >> Copie à : linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> >> Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
> >>
> >> What kernel version?
> >>
> >> I would not expect the "noserverino" mount option to be a factor.
> >> Jeff did fix one warning relating to unexpected signatures in this
> >> patch, see below (which I don't think is your issue (if the signature
> >> is coming on a transact2 request).
> >>
> >> commit 9c4843ea576107a3c1fb94f2f758f198e9fe9e54
> >> Author: Jeff Layton
> >> Date: Mon Jun 6 15:40:23 2011 -0400
> >>
> >> cifs: silence printk when establishing first session on socket
> >>
> >> When signing is enabled, the first session that's established on a
> >> socket will cause a printk like this to pop:
> >>
> >> CIFS VFS: Unexpected SMB signature
> >>
> >> This is because the key exchange hasn't happened yet, so the signature
> >> field is bogus. Don't try to check the signature on the socket until the
> >> first session has been established. Also, eliminate the specific check
> >> for SMB_COM_NEGOTIATE since this check covers that case too.
> >>
> >>
> >> On Tue, Dec 4, 2012 at 7:23 AM, sergio.conrad wrote:
> >> > Hi,
> >> >
> >> > I have a problem with users losing their connections from linux clients with cifs share. (Windows 2008) :CIFS VFS: Unexpected SMB signature
> >> > I am using two methods for mounting: pam_mount and autofs, both with same results.
> >> >
> >> > I am using mount options nounix,noserverino
> >> >
> >> > I am lauching cifs module on boot (rc.local) with
> >> > modprobe cifs
> >> > echo 0 > /proc/fs/cifs/OplockEnabled
> >> > echo 1 > /proc/fs/cifs/MultiuserMount
> >> > echo 7 > /proc/fs/cifs/cifsFYI
> >> >
> >> > What happens :
> >> > in /var/log/messages
> >> > =====================
> >> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS: Unexpected lookup error -512
> >> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS: Unexpected SMB signature
> >> >
> >> > This user was working since one hour with no problem :
> >> > Daemon log :
> >> > =============
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: key description: cifs.spnego;0;0;3f000000
> >> > ;ver=0x2;host=figue;ip4=130.xxx.xxx.xxx;sec=krb5;uid=0x1000005;creduid=0x1000005;us
> >> > er=21206xxx;pid=0x65f
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering /tmp/krb5cc_167
> >> > 77221
> >> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: FILE:/tmp/krb5cc_16777221 i
> >> > s valid ccache
> >> >
> >> > in dmesg
> >> > =========
> >> > fs/cifs/inode.c: Getting info on \21206xxx\TP9
> >> > [ 3735.419612] fs/cifs/transport.c: For smb_command 50
> >> > [ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104
> >> > [ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23
> >> > [ 3735.420261] fs/cifs/connect.c: invalid transact2 word count
> >> > [ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=37012 state=4
> >> > [ 3735.422406] CIFS VFS: Unexpected SMB signature
> >> > [ 3735.422408] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED
> >> > [ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13
> >> > [ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13
> >> > [ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid = 76854) rc = -13
> >> > [ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid: 76855 with uid: 16777221
> >> > [ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is: TP9 and dentry = 0xf074e300
> >> > [ 3735.422429] fs/cifs/dir.c: NULL inode in lookup
> >> > [ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x (null)
> >> >
> >> > I don't understand what happens...
> >> > NULL inode in lookup ... What about noserverino option ?
> >> > Perhaps an unresponsive server... The network infrastructure is old. Last year I got this working very well, but the server was in a better place (switch and network infrastructure speaking)
> >> >
> >> > Regards,
> >> > Thanks in advance
> >> > Serge Conrad
> >> >
> >> > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
> >> > Je crée ma boîte mail www.laposte.net
> >> > --
> >> > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> >> > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> >> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>
> >>
> >>
> >> --
> >> Thanks,
> >>
> >> Steve
> >> --
> >> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> >> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> >> More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>
> >
> > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
> > Je crée ma boîte mail www.laposte.net
> 
> 
> 
> -- 
> Thanks,
> 
> Steve
> --
> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> 

Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
Je crée ma boîte mail www.laposte.net

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
@ 2013-11-20  7:48 sergio.conrad-QFKgK+z4sOrR7s880joybQ
  0 siblings, 0 replies; 6+ messages in thread
From: sergio.conrad-QFKgK+z4sOrR7s880joybQ @ 2013-11-20  7:48 UTC (permalink / raw)
  To: linux-cifs-u79uwXL29TY76Z2rM5mHXA


Hello
I have open a bug quite a while ago https://bugzilla.samba.org/show_bug.cgi?id=9477 and don't have any news. 
I am using sec=krb5i, but have the same problem with ntlmv2...

The problem is the same with a centos 6 computer.

Perhaps the problem is in the Windows Server ...
Do I have to change AllowLegacySrvCall as described in http://support.microsoft.com/kb/957441 ?
Perhaps I have to put a more recent driver in my server: It is a Dell T610 server
with a NetExtreme II gigabitE (version 5.2.14 17/12/2009) ?

Please help , as the problems continue ...
Thanks 
Serge Conrad

Hello ...
in the messages, you could see an SMB unexpected signature (21 Jan 16:13:16)
In the dump file , the trame no 470 is at the same time (16:13:16)

The environnement is the same as described in https://bugzilla.samba.org/show_bug.cgi?id=9477

Regards,

Serge

> Message du 25/01/13 16:15
> De : "Steve French" 
> A : "sergio. conrad" 
> Copie à : 
> Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
>
> You could send the trace to me directly
> On Jan 25, 2013 8:42 AM, "sergio.conrad" wrote:
> 
> > Hello
> > I do have a network trace for
> > https://bugzilla.samba.org/show_bug.cgi?id=9477
> > But there is the public adress ip of the server in the trace. I don't know
> > how to hide
> > this. Could I send the trace to you, or must I find a way to hide the
> > trace ?
> >
> > Thanks
> > Serge
> >
> > > Message du 05/12/12 16:18
> > > De : "Steve French"
> > > A : "sergio.conrad"
> > > Copie à : linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > > Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
> > >
> > > Could you open a bugzilla bug at bugzilla.samba.org and if possible
> > > attach a network trace around the time that this is triggered (if it
> > > is trivial to reproduce)
> > > https://wiki.samba.org/index.php/Capture_Packets
> > >
> > > On Wed, Dec 5, 2012 at 8:43 AM, sergio.conrad wrote:
> > > > Hello,
> > > >
> > > > The log are from 2.6.43.8-1.fc15.x86_64.
> > > > I see also the error CIFS VFS: Unexpected SMB signature with the same
> > environnement
> > on a 3.6.6-1.fc16.x86_64
> > > >
> > > > Thanks,
> > > >
> > > > Serge
> > > >
> > > >
> > > >> Message du 04/12/12 20:06
> > > >> De : "Steve French"
> > > >> A : "sergio.conrad"
> > > >> Copie à : linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > > >> Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup
> > > >>
> > > >> What kernel version?
> > > >>
> > > >> I would not expect the "noserverino" mount option to be a factor.
> > > >> Jeff did fix one warning relating to unexpected signatures in this
> > > >> patch, see below (which I don't think is your issue (if the signature
> > > >> is coming on a transact2 request).
> > > >>
> > > >> commit 9c4843ea576107a3c1fb94f2f758f198e9fe9e54
> > > >> Author: Jeff Layton
> > > >> Date: Mon Jun 6 15:40:23 2011 -0400
> > > >>
> > > >> cifs: silence printk when establishing first session on socket
> > > >>
> > > >> When signing is enabled, the first session that's established on a
> > > >> socket will cause a printk like this to pop:
> > > >>
> > > >> CIFS VFS: Unexpected SMB signature
> > > >>
> > > >> This is because the key exchange hasn't happened yet, so the signature
> > > >> field is bogus. Don't try to check the signature on the socket until
> > the
> > > >> first session has been established. Also, eliminate the specific check
> > > >> for SMB_COM_NEGOTIATE since this check covers that case too.
> > > >>
> > > >>
> > > >> On Tue, Dec 4, 2012 at 7:23 AM, sergio.conrad wrote:
> > > >> > Hi,
> > > >> >
> > > >> > I have a problem with users losing their connections from linux
> > clients with cifs
> > share. (Windows 2008) :CIFS VFS: Unexpected SMB signature
> > > >> > I am using two methods for mounting: pam_mount and autofs, both
> > with same results.
> > > >> >
> > > >> > I am using mount options nounix,noserverino
> > > >> >
> > > >> > I am lauching cifs module on boot (rc.local) with
> > > >> > modprobe cifs
> > > >> > echo 0 > /proc/fs/cifs/OplockEnabled
> > > >> > echo 1 > /proc/fs/cifs/MultiuserMount
> > > >> > echo 7 > /proc/fs/cifs/cifsFYI
> > > >> >
> > > >> > What happens :
> > > >> > in /var/log/messages
> > > >> > =====================
> > > >> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS:
> > Unexpected lookup error
> > -512
> > > >> > Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS:
> > Unexpected SMB signature
> > > >> >
> > > >> > This user was working since one hour with no problem :
> > > >> > Daemon log :
> > > >> > =============
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: key description:
> > cifs.spnego;0;0;3f000000
> > > >> >
> >
> > ;ver=0x2;host=figue;ip4=130.xxx.xxx.xxx;sec=krb5;uid=0x1000005;creduid=0x1000005;us
> > > >> > er=21206xxx;pid=0x65f
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering
> > /tmp/krb5cc_167
> > > >> > 77221
> > > >> > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc:
> > FILE:/tmp/krb5cc_16777221 i
> > > >> > s valid ccache
> > > >> >
> > > >> > in dmesg
> > > >> > =========
> > > >> > fs/cifs/inode.c: Getting info on \21206xxx\TP9
> > > >> > [ 3735.419612] fs/cifs/transport.c: For smb_command 50
> > > >> > [ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104
> > > >> > [ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23
> > > >> > [ 3735.420261] fs/cifs/connect.c: invalid transact2 word count
> > > >> > [ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50
> > mid=37012 state=4
> > > >> > [ 3735.422406] CIFS VFS: Unexpected SMB signature
> > > >> > [ 3735.422408] Status code returned 0xc0000022
> > NT_STATUS_ACCESS_DENIED
> > > >> > [ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022
> > to POSIX err
> > -13
> > > >> > [ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13
> > > >> > [ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid =
> > 76854) rc = -13
> > > >> > [ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid:
> > 76855 with uid:
> > 16777221
> > > >> > [ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is:
> > TP9 and dentry =
> > 0xf074e300
> > > >> > [ 3735.422429] fs/cifs/dir.c: NULL inode in lookup
> > > >> > [ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x
> > (null)
> > > >> >
> > > >> > I don't understand what happens...
> > > >> > NULL inode in lookup ... What about noserverino option ?
> > > >> > Perhaps an unresponsive server... The network infrastructure is
> > old. Last year I
> > got this working very well, but the server was in a better place (switch
> > and network
> > infrastructure speaking)
> > > >> >
> > > >> > Regards,
> > > >> > Thanks in advance
> > > >> > Serge Conrad
> > > >> >
> > > >> > Une messagerie gratuite, garantie à vie et des services en plus, ça
> > vous tente ?
> > > >> > Je crée ma boîte mail www.laposte.net
> > > >> > --
> > > >> > To unsubscribe from this list: send the line "unsubscribe
> > linux-cifs" in
> > > >> > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > > >> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > > >>
> > > >>
> > > >>
> > > >> --
> > > >> Thanks,
> > > >>
> > > >> Steve
> > > >> --
> > > >> To unsubscribe from this list: send the line "unsubscribe linux-cifs"
> > in
> > > >> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > > >> More majordomo info at http://vger.kernel.org/majordomo-info.html
> > > >>
> > > >
> > > > Une messagerie gratuite, garantie à vie et des services en plus, ça
> > vous tente ?
> > > > Je crée ma boîte mail www.laposte.net
> > >
> > >
> > >
> > > --
> > > Thanks,
> > >
> > > Steve
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
> > > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > >
> >
> > Une messagerie gratuite, garantie à vie et des services en plus, ça vous
> > tente ?
> > Je crée ma boîte mail www.laposte.net
> >
> 

Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
Je crée ma boîte mail www.laposte.net

^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2013-11-20  7:48 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-12-04 13:23 CIFS VFS: Unexpected SMB signature ...NULL inode in lookup sergio.conrad
2012-12-04 19:06 ` Steve French
     [not found]   ` <CAH2r5mv6mzbNCCd=sGf7Kb2nDiMrYyemFQTib9cW-YfAL1ydEg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-05 14:43     ` sergio.conrad
2012-12-05 15:18       ` Steve French
     [not found]         ` <CAH2r5msFLc2Sv1oYO6MVHQVSYQBt9fs+TWHAsgtwPxq302ayBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-07 14:19           ` sergio.conrad
2013-11-20  7:48 sergio.conrad-QFKgK+z4sOrR7s880joybQ

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