[tahoe-dev] [pycryptopp] #24: SHA256 failure on NetBSD with multiple segments

pycryptopp trac at allmydata.org
Wed Jul 1 07:56:17 UTC 2009


#24: SHA256 failure on NetBSD with multiple segments
----------------------+-----------------------------------------------------
Reporter:  warner     |           Owner:  bdew 
    Type:  defect     |          Status:  new  
Priority:  critical   |         Version:  0.5.1
Keywords:  integrity  |   Launchpad_bug:       
----------------------+-----------------------------------------------------

Comment(by bdew):

 Aha! Now i built it without SSE2 support (adding CRYPTOPP_DISABLE_SSE2)
 and the test passes (and valgrind too):


 {{{
 ==26122== Memcheck, a memory error detector.
 ==26122== Copyright (C) 2002-2008, and GNU GPL'd, by Julian Seward et al.
 ==26122== Using LibVEX rev 1884, a library for dynamic binary translation.
 ==26122== Copyright (C) 2004-2008, and GNU GPL'd, by OpenWorks LLP.
 ==26122== Using valgrind-3.4.1-Debian, a dynamic binary instrumentation
 framework.
 ==26122== Copyright (C) 2000-2008, and GNU GPL'd, by Julian Seward et al.
 ==26122== For more details, rerun with: -v
 ==26122==
 running darcsver
 running test
 running egg_info
 writing requirements to pycryptopp.egg-info/requires.txt
 writing pycryptopp.egg-info/PKG-INFO
 writing top-level names to pycryptopp.egg-info/top_level.txt
 writing dependency_links to pycryptopp.egg-info/dependency_links.txt
 writing manifest file 'pycryptopp.egg-info/SOURCES.txt'
 running build_ext
 copying build/lib.linux-i686-2.5/pycryptopp/_pycryptopp.so -> pycryptopp
 test_chunksize (pycryptopp.test.test_sha256.SHA256) ... ok

 ----------------------------------------------------------------------
 Ran 1 test in 10.929s

 OK
 ==26122==
 ==26122== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 3736 from
 9)
 ==26122== malloc/free: in use at exit: 4,983,817 bytes in 906 blocks.
 ==26122== malloc/free: 325,282 allocs, 324,376 frees, 71,999,912 bytes
 allocated.
 ==26122== For counts of detected errors, rerun with: -v
 ==26122== searching for pointers to 906 not-freed blocks.
 ==26122== checked 5,115,828 bytes.
 ==26122==
 ==26122== LEAK SUMMARY:
 ==26122==    definitely lost: 0 bytes in 0 blocks.
 ==26122==      possibly lost: 66,612 bytes in 181 blocks.
 ==26122==    still reachable: 4,917,205 bytes in 725 blocks.
 ==26122==         suppressed: 0 bytes in 0 blocks.
 ==26122== Rerun with --leak-check=full to see details of leaked memory.
 }}}

-- 
Ticket URL: <http://allmydata.org/trac/pycryptopp/ticket/24#comment:7>
pycryptopp <http://allmydata.org/trac/pycryptopp>
Python bindings for the Crypto++ library


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