On Thu, Apr 08, 2010 at 16:42:11 +0200, Patrick Ohly wrote: [...]
> I've not been able to reproduce the problem when using libxmltok. I did > find an uninitialized memory read reported by valgrind, but not one > which explains the segfault. Fix is in "master" of libsynthesis. > > Another one points towards a problem in our own code > (http://bugzilla.moblin.org/show_bug.cgi?id=10468), plus there are some > know reports about issues in libical. > > I'd like to get to the bottom of this. Would you mind doing one more > experiment with a syncevo-dbus-server using libxmltok? Please, run such > a syncevo-dbus-server under "valgrind --track-origins=yes" and report > back what you get. Hi, I attached is a valgrind output of syncevo-dbus-server with libsynthesis git master as of today. Regards, Tino
$ valgrind --track-origins=yes /usr/lib/syncevolution/syncevo-dbus-server ==11007== Memcheck, a memory error detector ==11007== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==11007== Using Valgrind-3.5.0-Debian and LibVEX; rerun with -h for copyright info ==11007== Command: /usr/lib/syncevolution/syncevo-dbus-server ==11007== [INFO] /usr/lib/syncevolution/syncevo-dbus-server: ready to run ==11007== Invalid read of size 8 ==11007== at 0x54EF3BE: icaltzutil_fetch_timezone (in /usr/lib/libical.so.0.44.0) ==11007== by 0x54F06F4: ??? (in /usr/lib/libical.so.0.44.0) ==11007== by 0x54F0744: icaltimezone_get_component (in /usr/lib/libical.so.0.44.0) ==11007== by 0x6B2194B: sysync::loadSystemZoneDefinitions(sysync::GZones*) (platform_timezones.cpp:158) ==11007== by 0x6A34818: sysync::GZones::initialize() (timezones.cpp:95) ==11007== by 0x6A6720C: sysync::TSyncAppBase::TSyncAppBase() (syncappbase.cpp:1227) ==11007== by 0x6A61FB8: sysync::TSyncClientBase::TSyncClientBase() (syncclientbase.cpp:352) ==11007== by 0x6B20CD8: sysync::TEngineClientBase::TEngineClientBase() (engineclientbase.cpp:102) ==11007== by 0x6B23EBA: sysync::TCustomClientEngineBase::TCustomClientEngineBase() (clientengine_custom_Base.cpp:49) ==11007== by 0x6B23F49: sysync::TCustomClientEngineInterface::newSyncAppBase() (clientengine_custom_Base.cpp:39) ==11007== by 0x6ABFF1C: sysync::TEngineInterface::Init() (engineinterface.cpp:1056) ==11007== by 0x6B10E99: sysync::TEngineModuleBase::Connect(std::string, unsigned long, unsigned short) (enginemodulebase.cpp:85) ==11007== Address 0x123007f0 is 0 bytes after a block of size 0 alloc'd ==11007== at 0x4C214CB: calloc (vg_replace_malloc.c:418) ==11007== by 0x54EED89: icaltzutil_fetch_timezone (in /usr/lib/libical.so.0.44.0) ==11007== by 0x54F06F4: ??? (in /usr/lib/libical.so.0.44.0) ==11007== by 0x54F0744: icaltimezone_get_component (in /usr/lib/libical.so.0.44.0) ==11007== by 0x6B2194B: sysync::loadSystemZoneDefinitions(sysync::GZones*) (platform_timezones.cpp:158) ==11007== by 0x6A34818: sysync::GZones::initialize() (timezones.cpp:95) ==11007== by 0x6A6720C: sysync::TSyncAppBase::TSyncAppBase() (syncappbase.cpp:1227) ==11007== by 0x6A61FB8: sysync::TSyncClientBase::TSyncClientBase() (syncclientbase.cpp:352) ==11007== by 0x6B20CD8: sysync::TEngineClientBase::TEngineClientBase() (engineclientbase.cpp:102) ==11007== by 0x6B23EBA: sysync::TCustomClientEngineBase::TCustomClientEngineBase() (clientengine_custom_Base.cpp:49) ==11007== by 0x6B23F49: sysync::TCustomClientEngineInterface::newSyncAppBase() (clientengine_custom_Base.cpp:39) ==11007== by 0x6ABFF1C: sysync::TEngineInterface::Init() (engineinterface.cpp:1056) ==11007== ==11007== Jump to the invalid address stated on the next line ==11007== at 0x100000000: ??? ==11007== by 0x1226B0EF: ??? ==11007== by 0x12FA6B8F: ??? ==11007== by 0x1101: ??? ==11007== by 0xBE7: ??? ==11007== by 0x1205B83F: ??? ==11007== by 0x1204FEFF: ??? ==11007== by 0x7FEFFE77F: ??? ==11007== by 0x838DFF: ??? (in /usr/lib/syncevolution/syncevo-dbus-server) ==11007== by 0x7FEFFE83F: ??? ==11007== Address 0x100000000 is not stack'd, malloc'd or (recently) free'd ==11007== ==11007== Invalid free() / delete / delete[] ==11007== at 0x4C21DBC: free (vg_replace_malloc.c:325) ==11007== by 0xB20D57A: ??? (in /lib/libc-2.10.2.so) ==11007== by 0xB20D111: ??? (in /lib/libc-2.10.2.so) ==11007== by 0x4A1E590: _vgnU_freeres (vg_preloaded.c:62) ==11007== by 0x9E2198F: ??? (in /lib/libpthread-2.10.2.so) ==11007== by 0xFFFFFFFF: ??? ==11007== by 0x1226B0EF: ??? ==11007== by 0x12FA6B8F: ??? ==11007== by 0x1101: ??? ==11007== by 0xBE7: ??? ==11007== by 0x1205B83F: ??? ==11007== by 0x1204FEFF: ??? ==11007== Address 0x404a2f0 is not stack'd, malloc'd or (recently) free'd ==11007== ==11007== ==11007== HEAP SUMMARY: ==11007== in use at exit: 2,690,383 bytes in 25,293 blocks ==11007== total heap usage: 111,085 allocs, 85,793 frees, 15,827,140 bytes allocated ==11007== ==11007== LEAK SUMMARY: ==11007== definitely lost: 1,727 bytes in 107 blocks ==11007== indirectly lost: 0 bytes in 0 blocks ==11007== possibly lost: 341,385 bytes in 2,917 blocks ==11007== still reachable: 2,347,271 bytes in 22,269 blocks ==11007== suppressed: 0 bytes in 0 blocks ==11007== Rerun with --leak-check=full to see details of leaked memory ==11007== ==11007== For counts of detected and suppressed errors, rerun with: -v ==11007== ERROR SUMMARY: 19 errors from 3 contexts (suppressed: 4 from 4) Segmentation fault
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