[Bug 14713] SMBv3 negotiation fails with a Solaris server

[samba-bugs@samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=14713

--- Comment #7 from Steve French <sfrench@samba.org> ---
There isn't much we can see in the traces you provide except the following:
1) for the "445broken.pcap" wireshark trace we can see that the server hung up
the session (probably server bug but hard to prove since the request they hung
up on (SMB3 tree connect) is encrypted when you mount with "seal").  If you
have access to that system and can reproduce it, it might be helpful to dump
the decryption keys so we can see the failing request and make sure it is not
malformed.  See https://wiki.samba.org/index.php/Wireshark_Decryption for
details on how to dump decryption keys

2) for the debug trace you attached all we can see is the "EINVAL" being
returned

   [  205.645184] CIFS: fs/cifs/connect.c: Received no data or error: 0
   [  205.645187] CIFS: fs/cifs/connect.c: cifs_reconnect: will not do DFS 
                  failover: rc = -22

presumably the same issue (the server hung up due to a bug processing the tree
connect request (the first encrypted request) when encryption is specified on
mount).

Could you retry without specifying "seal" on mount and include (or send to my
gmail) the wireshark traces?  In addition the dynamic trace info may be useful:

1) In one process type "trace-cmd record -e cifs"
2) Run the test in another window
3) dump the dynamic trace info "trace-cmd show"
4) kill the trace from step 1

If it can not be tried without encryption ("seal" on mount) then can you dump
the decryption keys for the trace you run (as described in the link above)

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