autobuild: intermittent test failure detected

autobuild autobuild at samba.org
Sat Mar 1 07:30:08 MST 2014


The autobuild test system has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey/2014-03-01-1530/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2014-03-01-1530/samba.stderr
   http://git.samba.org/autobuild.flakey/2014-03-01-1530/samba.stdout
  
The top commit at the time of the failure was:

commit 7e5350602e3b6f443855d5ac21a08dc8f6585aeb
Author: Volker Lendecke <vl at samba.org>
Date:   Fri Feb 28 16:30:52 2014 +0000

    torture: Fix a torture crash with -O3
    
    When compiled with -O3, smbtorture can crash after the following valgrind
    trace:
    
    ==16944== Conditional jump or move depends on uninitialised value(s)
    ==16944==    at 0x57FFAC3: ndr_push_unique_ptr (ndr_basic.c:730)
    ==16944==    by 0x58CB855: ndr_push_spoolss_SetPrinterInfo (ndr_spoolss.c:7939)
    ==16944==    by 0x58E2F95: ndr_push_spoolss_SetPrinter (ndr_spoolss.c:24724)
    ==16944==    by 0x417C78C: dcerpc_binding_handle_call_send (binding_handle.c:410)
    ==16944==    by 0x417C986: dcerpc_binding_handle_call (binding_handle.c:547)
    ==16944==    by 0x522059C: dcerpc_spoolss_SetPrinter_r (ndr_spoolss_c.c:1722)
    ==16944==    by 0x2853BD: test_sd_set_level (spoolss.c:1248)
    ==16944==    by 0x28F146: test_PrinterInfo_SD (spoolss.c:1962)
    ==16944==    by 0x2A3C31: test_EnumPrinters_old (spoolss.c:6589)
    ==16944==    by 0x41F6D66: internal_torture_run_test.part.0 (torture.c:442)
    ==16944==    by 0x41F711F: torture_run_tcase_restricted (torture.c:758)
    ==16944==    by 0x2018E8: run_matching.isra.1 (smbtorture.c:103)
    ==16944==    by 0x20176B: run_matching.isra.1 (smbtorture.c:95)
    ==16944==    by 0x20176B: run_matching.isra.1 (smbtorture.c:95)
    ==16944==    by 0x201C12: torture_run_named_tests (smbtorture.c:143)
    ==16944==    by 0x202F5B: main (smbtorture.c:661)
    
    My assumption is that with optimization gcc makes use of the fact that the
    structures that this patch moves go out of scope.
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: David Disseldorp <ddiss at samba.org>
    
    Autobuild-User(master): David Disseldorp <ddiss at samba.org>
    Autobuild-Date(master): Fri Feb 28 21:27:11 CET 2014 on sn-devel-104


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