[Xen-bugs] [Bug 496] New: smbfs - linux-2.6.12.6

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=496

           Summary: smbfs - linux-2.6.12.6
           Product: Xen
           Version: 3.0.0
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Unspecified
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: frank@xxxxxxx


I've got samba running in my domU. Whenever I try to mount shares with '-t
smbfs' (in both, domU and dom0) it succeeds, but after entering the mounted
directory and running basically any application that tries to do anyhing on the
filesystem in question (mc, cd, ls, etc.) I get the following: (The same happens
in dom0)

Pid: 3105, comm: ls Not tainted 2.6.12.6-xen0
RIP: e030:[<ffffffff8011de90>] <ffffffff8011de90>{kern_addr_valid+176}
RSP: e02b:ffff88002765bdd0  EFLAGS: 00010207
RAX: 5554dd5555555000 RBX: ffff88002790cad0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff800000000000 RDI: ffff88002790cad0
RBP: 00000000000000e0 R08: ffff880000000000 R09: 03fffffffffff000
R10: 00000000ffffffff R11: 0000000000000246 R12: ffff880001dec680
R13: ffff88002790cad0 R14: ffff880001888bd0 R15: ffff880027036000
FS:  00002aaaab227090(0000) GS:ffffffff80521a80(0000) knlGS:ffffffff80521a80
CS:  e033 DS: 0000 ES: 0000
Process ls (pid: 3105, threadinfo ffff88002765a000, task ffff88002c93a9b0)
Stack: ffffffff801627ae ffff88002790cad0 ffff88002790cad0 ffff880028a14b10
       ffffffff801949e7 ffff88002790cad0 ffff880028a14b10 0000000000000002
       ffffffff8802f59b ffff880028a14b18
Call Trace:<ffffffff801627ae>{kmem_ptr_validate+78}
<ffffffff801949e7>{d_validate+39}
       <ffffffff8802f59b>{:smbfs:smb_dget_fpos+27}
<ffffffff8802e758>{:smbfs:smb_readdir+664}
       <ffffffff8018f430>{filldir64+0} <ffffffff8018f0f7>{vfs_readdir+119}
       <ffffffff8018f5a2>{sys_getdents64+130} <ffffffff80112b17>{error_exit+0}
       <ffffffff801122ca>{system_call+134} <ffffffff80112244>{system_call+0}


Code: 48 8b 14 c8 48 85 d2 74 57 48 89 d0 81 e2 ff 0f 00 00 48 c1
RIP <ffffffff8011de90>{kern_addr_valid+176} RSP <ffff88002765bdd0>

I've tried both adding smbfs to the kernel as module and compiled-in part as
well. I'm happy to give any more specific information on my setup if needed. 

Please feel free to contact me.
Thanks.

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