autobuild[sn-devel-144]: intermittent test failure detected

autobuild autobuild at
Wed May 16 04:36:13 UTC 2018

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:
The top commit at the time of the failure was:

commit c7a3ce95ac4ce837d8fde36578b3b1f56c3ac2fa
Author: Stefan Metzmacher <metze at>
Date:   Mon May 7 14:50:27 2018 +0200

    auth/ntlmssp: fix handling of GENSEC_FEATURE_LDAP_STYLE as a server
    This fixes "NTLMSSP NTLM2 packet check failed due to invalid signature!"
    error messages, which were generated if the client only sends
    This fixes a regession in the combination of commits
    77adac8c3cd2f7419894d18db735782c9646a202 and
    We need to evaluate GENSEC_FEATURE_LDAP_STYLE at the end
    of the authentication (as a server, while we already
    do so at the beginning as a client).
    As a reminder I introduced GENSEC_FEATURE_LDAP_STYLE
    (as an internal flag) in order to let us work as a
    Windows using NTLMSSP for LDAP. Even if only signing is
    negotiated during the authentication the following PDUs
    will still be encrypted if NTLMSSP is used. This is exactly the
    same as if the client would have negotiated NTLMSSP_NEGOTIATE_SEAL.
    I guess it's a bug in Windows, but we have to reimplement that
    bug. Note this only applies to NTLMSSP and only to LDAP!
    Signing only works fine for LDAP with Kerberos
    or DCERPC and NTLMSSP.
    Signed-off-by: Stefan Metzmacher <metze at>
    Reviewed-by: Andrew Bartlett <abartlet at>
    Autobuild-User(master): Andrew Bartlett <abartlet at>
    Autobuild-Date(master): Wed May 16 03:26:03 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[453(2311)/500 at 18m6s]$DOMAIN(nt4_dc:local)
[454(2312)/500 at 18m6s] samba.wbinfo_simple.check-secret.domain=$DOMAIN(nt4_dc:local)
[455(2313)/500 at 18m7s] samba.wbinfo_simple.change-secret.domain=$DOMAIN(nt4_dc:local)
[456(2314)/500 at 18m7s] samba.wbinfo_simple.check-secret.domain=$DOMAIN(nt4_dc:local)
[457(2315)/500 at 18m7s]$DOMAIN(nt4_dc:local)
[458(2316)/500 at 18m7s] samba.wbinfo_simple.domain-users(nt4_dc:local)
[459(2317)/500 at 18m7s] samba.wbinfo_simple.domain-groups(nt4_dc:local)
[460(2318)/500 at 18m7s]$DC_USERNAME(nt4_dc:local)
[461(2319)/500 at 18m7s]$DOMAIN/$DC_USERNAME(nt4_dc:local)
[462(2320)/500 at 18m7s] samba.wbinfo_simple.user-info=$DOMAIN/$DC_USERNAME(nt4_dc:local)
[463(2321)/500 at 18m7s] samba.wbinfo_simple.user-groups=$DOMAIN/$DC_USERNAME(nt4_dc:local)
[464(2322)/500 at 18m7s] samba.wbinfo_simple.authenticate=$DOMAIN/$DC_USERNAME%$DC_PASSWORD(nt4_dc:local)
[465(2323)/500 at 18m7s] samba.wbinfo_simple.allocate-uid(nt4_dc:local)
[466(2324)/500 at 18m7s] samba.wbinfo_simple.allocate-gid(nt4_dc:local)
[467(2325)/500 at 18m8s] samba.wbinfo_sids2xids.(nt4_dc:local)(nt4_dc:local)
[468(2326)/500 at 18m14s] samba.ntlm_auth.diagnostics(nt4_dc:local)(nt4_dc:local)
[469(2327)/500 at 18m14s] samba.ntlm_auth.(nt4_dc:local)(nt4_dc:local)
[470(2346)/500 at 18m16s]
[471(2347)/500 at 18m16s] samba.wbinfo_simple.separator(nt4_member:local)
[472(2348)/500 at 18m16s] samba.wbinfo_simple.own-domain(nt4_member:local)
[473(2349)/500 at 18m16s] samba.wbinfo_simple.all-domains(nt4_member:local)
[474(2350)/500 at 18m16s] samba.wbinfo_simple.trusted-domains(nt4_member:local)
[475(2351)/500 at 18m16s] samba.wbinfo_simple.domain-info=BUILTIN(nt4_member:local)
[476(2352)/500 at 18m16s] samba.wbinfo_simple.domain-info=$DOMAIN(nt4_member:local)
[477(2353)/500 at 18m16s]
[478(2354)/500 at 18m16s]
[479(2355)/500 at 18m17s]$DOMAIN(nt4_member:local)
[480(2356)/500 at 18m17s] samba.wbinfo_simple.check-secret.domain=$DOMAIN(nt4_member:local)
UNEXPECTED(failure): samba.wbinfo_simple.check-secret.domain=SAMBA-TEST.wbinfo(nt4_member:local)
REASON: Exception: Exception: wbcCheckTrustCredentials(SAMBA-TEST): error code was NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND (0xc0000233)
failed to call wbcCheckTrustCredentials: WBC_ERR_AUTH_ERROR
Could not check secret
checking the trust secret for domain SAMBA-TEST via RPC calls failed

FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
TOP 10 slowest tests
samba3.raw.notify(nt4_dc) -> 98
samba3.smb2.notify(nt4_dc) -> 80
samba3.rpc.samr.passwords.lockout(nt4_dc) -> 61
samba4.rpc.echo on ncacn_np with object(nt4_dc) -> 60
samba3.rpc.samr.passwords.pwdlastset(nt4_dc) -> 49 -> 45
samba3.raw.oplock(nt4_dc) -> 42
samba3.smb2.oplock(nt4_dc) -> 41 -> 34
samba3.raw.lock(nt4_dc) -> 33
ERROR: test failed with exit code 1

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