[Python-Dev] valgrind reports (original) (raw)

Thomas Heller theller at python.net
Thu Apr 20 10:16:45 CEST 2006

Neal Norwitz wrote:

This was run on linux amd64. It would be great to run purify on windows and other platforms. If you do, please report back here, even if nothing was found. That would be a good data point.

Summary of tests with problems: testcodecencodingsjp (1 invalid read) testcoding (1 invalid read) testctypes (crashes valgrind) testsocketssl (many invalid reads) testsqlite (1 invalid read, 1 memory leak)

I've tried to run python under valgrind on linux x86 (Ubuntu 5.10). Here's what I get - python was configured with '--without-pymalloc --with-pydebug' after uncommenting the Py_USING_MEMORY_DEBUGGER in Objects/obmalloc.c. Is there something missing in the suppressions file?

Thanks,

Thomas

theller at tubu32:/devel/trunk$ valgrind --suppressions=Misc/valgrind-python.supp ./python -c "" ==13632== Memcheck, a memory error detector. ==13632== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et al. ==13632== Using LibVEX rev 1367, a library for dynamic binary translation. ==13632== Copyright (C) 2004-2005, and GNU GPL'd, by OpenWorks LLP. ==13632== Using valgrind-3.0.1, a dynamic binary instrumentation framework. ==13632== Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et al. ==13632== For more details, rerun with: -v ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F40FD: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9DBA: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F410C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9DBA: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F411B: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9DBA: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F4126: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9DBA: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F4263: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9DBA: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F426E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9DBA: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F4263: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E856C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9E33: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8F426E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E856C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E9E33: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E484D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8EE875: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E491C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E7421: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8EC21C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E6338: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8EC24C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E6338: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8EC0C4: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E637C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8EC113: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E637C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) ==13632== ==13632== Conditional jump or move depends on uninitialised value(s) ==13632== at 0x1B8EC24C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E637C: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8F1A6D: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E4D0E: (within /lib/ld-2.3.5.so) ==13632== by 0x1B8E47C6: (within /lib/ld-2.3.5.so) [8426 refs] ==13632== ==13632== ERROR SUMMARY: 27 errors from 13 contexts (suppressed: 0 from 0) ==13632== malloc/free: in use at exit: 298255 bytes in 2363 blocks. ==13632== malloc/free: 16990 allocs, 14627 frees, 1927352 bytes allocated. ==13632== For counts of detected errors, rerun with: -v ==13632== searching for pointers to 2363 not-freed blocks. ==13632== checked 636672 bytes. ==13632== ==13632== LEAK SUMMARY: ==13632== definitely lost: 0 bytes in 0 blocks. ==13632== possibly lost: 9216 bytes in 64 blocks. ==13632== still reachable: 289039 bytes in 2299 blocks. ==13632== suppressed: 0 bytes in 0 blocks. ==13632== Reachable blocks (those to which a pointer was found) are not shown. ==13632== To see them, rerun with: --show-reachable=yes theller at tubu32:/devel/trunk$

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