[Bug 214917] Samba 4.3.11 (SMB2 or SMB3) on FreeBSD 10.3-RELEASE-p12 crashes with PANIC invalid lock_order because of lock gave errno 9 (Bad file descriptor)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214917

            Bug ID: 214917
           Summary: Samba 4.3.11 (SMB2 or SMB3) on FreeBSD
                    10.3-RELEASE-p12 crashes with PANIC invalid lock_order
                    because of  lock gave errno 9 (Bad file descriptor)
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: freebsd at e-schuett.de

Created attachment 177496
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=177496&action=edit
logfile smbd

Samba 4.3.11 (SMB2 or SMB3) on FreeBSD 10.3-RELEASE-p12 crashes with PANIC
invalid lock_order because of  lock gave errno 9 (Bad file descriptor)

Process:        create a backup in an asterisk appliance and store the file on
a windows share.
Result:         Samba crashes on the destination server with an panic error
invalid lock_order & errno 9 (Bad file descriptor)
Expected:       create & store backup file to NAS

Testing:        In smb4.conf  tested all combinations of "oplock" and "strict
locking“
                —> nothing changed

                Separate the backup file (see attachments) and copied this from
source server with smbclient …’put “…“* to destination server
                —>      without problems (same with MS Explorer or Path Finder)

                Using the build-in function of the Starface appliance to create
and store the backup 
                —>      Samba crashes allways on the destination server (see
attached logs); file size on dest. disc = 0 KB

                Tried to change target to other disc on NAS
                —>      Samba crashes, see above

Traceability:   Always

Additions:      No trouble with SMB access from MS Windows, Apple OSX or other
Linux Machines (Ubuntu 14.04).
                Access with smbclient from Starface appliance to NAS without
issues.


Source:         Phone System/Asterisk
Running as VM:  VMware vSphere 6 Essential      v. 6.0.0.

Appliance:      Starface (see www.starface.de)
OS:             CentOS 6/7/8 2.6.32-642.3.1.e16.x86_64
                Darwin Kernel Version 15.6.0:

Samba:          v. 3.6.23-35.el6_8

Java:           Server version: Apache Tomcat/6.0.24
                Server built: November 13 2015 1656
                Server number: 6.0.24.0
                OS Name: Linux
                OS Version: 2.6.32-573.7.1.el6.x86_64
                Architecture: amd64w
                JVM Version: 1.6.0_45-b06
                JVM Vendor: Sun Microsystems Inc.

Build-In:       Create SMB Mount (/mnt/....)
                (1)     ==> mount /mnt/… 
                        (2)     —>      if  error then stop backup and display
error message
                                        else
                                        (3)     ==> create temporary backup
file (local disk) 
                                                (4)     if complete then copy
the local temp backup file to the SMB share via mount point /mnt/..
                                                        (in this case the
function „FileUtils.copyFile“ will taken
                                                (5)     ==> unmount SMB folder


Destination:    NAS Appliance
Hardware        1x Intel Sunrise Point AHCI SATA controller
                1x Seagate ST3000VX000-1CU166, 3 GB, UFS formatted, no issues
S.M.A.R.T, fsck without results
                1x Seagate ST8000AS0002-1NA17Z, 8 GB UFS formatted, no issues
S.M.A.R.T, fsck without results

Appliance:      NAS4FREE (see www.nas4free.org)
OS:             FreeBSD 10.3-RELEASE-p12

Samba:          v. 4.3.11

————————
shares:
BackupSysSMB:   /mnt/backupdir (ufs, NFS exported, local, journaled
soft-updates, acls)
BackupNewSMB:   /mnt/BackupNew (ufs, NFS exported, local, soft-updates, acls)
logs:           /mnt/backupdir/BackupHomeServer/logs
locks:          /mnt/backupdir/samba4/
————————
attached files (set debug level to 10):
logs:           samba_28-11-2016.log
                samba-daemon_28-11-2016.log
                samba-system_28-11-2016.log
config          smb4.conf
data            backup-MyDOMAIN-1480162653896.sar

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