1452028 – SMB2->Nego->prot->resp->Max_Tras_size=65536. Cannot send data using smbclient but can copy using cifs share

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Bug 1452028 - SMB2->Nego->prot->resp->Max_Tras_size=65536. Cannot send data using smbclient but can copy using cifs share

Summary: SMB2->Nego->prot->resp->Max_Tras_size=65536. Cannot send data using smbclient...

Keywords:
Status:	CLOSED DUPLICATE of bug 1452003
Alias:	None
Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	samba
Sub Component:
Version:	7.5-Alt
Hardware:	x86_64
OS:	Linux
Priority:	unspecified
Severity:	high
Target Milestone:	rc
Target Release:	---
Assignee:	Andreas Schneider
QA Contact:	qe-baseos-daemons
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2017-05-18 07:59 UTC by amitkuma
Modified:	2020-12-14 08:41 UTC (History)
CC List:	5 users (show)
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed:	2017-09-05 14:19:36 UTC
Target Upstream Version:
Embargoed:

Attachments	(Terms of Use)

Description amitkuma 2017-05-18 07:59:07 UTC

Description of problem:
smbclient cannot send/recv more than 65K packet, if SMB2->Nego-Prot_Resp->Max_Write_Size=65536, Max_Read_Size=65536. Again if share-folder from server is mounted on client machine, smbclient can transfer packets > 65k using put command.

Failure case
    [netApps SMB-server]                    [smb-Client]
      |                                         |
      |  <- Nego Prot Req-                      |                               
      |  - Nego Prot Res(Max Transaction Size=65536)(Max Read Size=65536)(Max Write Size=65536) ->                            |
      |                                         |
                                  //smb-client cannot send packets > 65k


Passing Case
  [netApps SMB-server(xyz.com)]              [smb-Client]
   # mkdir /share
      |                                         |
      |                                    # mkdir /mt
      |              # mount -t cifs -o user,pas //xyz.com/share   /mt 
      |              # ls -ltr /test/*
      |               -rwxrwxrwx. 1 p p 1048576 Feb 8 22:42 tp
      |              //Can upload successfully
      |              # smbclient -E -mSMB2 -U //smb-server-ip/share -c "put tp"  
      |                                         |

Version-Release number of selected component (if applicable):
smbclient-4.4.4-12.el7_3

How reproducible:
Always

Steps to Reproduce:
1. Mentioned above in passing case text
2.
3.

Actual results:

Expected results:


Additional info:

Comment 2 Andreas Schneider 2017-05-30 14:55:11 UTC

https://bugzilla.samba.org/show_bug.cgi?id=12776 might be related.

Comment 3 Andreas Schneider 2017-05-31 15:07:40 UTC

Looking at the traces it uses SMB2 and returns the same error code (STATUS_NOT_SUPPORTED) in the attached traces are reported by bug #1452003

Comment 5 Andreas Schneider 2017-09-05 14:19:36 UTC


*** This bug has been marked as a duplicate of bug 1452003 ***

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