[Mapguide-trac] [mapguide-trac] #2878: *** buffer overflow detected ***: terminated - WMS, Ubuntu, Apache

[MapGuide Open Source]

#2878: *** buffer overflow detected ***: terminated - WMS, Ubuntu, Apache
---------------------------------+----------------------
 Reporter:  pcardinal            |        Owner:  (none)
     Type:  defect               |       Status:  new
 Priority:  medium               |    Milestone:  4.0
Component:  WMS Interface        |      Version:
 Severity:  blocker              |   Resolution:
 Keywords:  WMS, Ubuntu, Apache  |  External ID:
---------------------------------+----------------------
Comment (by jng):

 After painstakingly trying to enable coredumps on my test Ubuntu VM I was
 able to get this useful stack trace:

 {{{
 0  __pthread_kill_implementation (no_tid=0, signo=6,
 threadid=140438241216064) at ./nptl/pthread_kill.c:44
 #1  __pthread_kill_internal (signo=6, threadid=140438241216064) at
 ./nptl/pthread_kill.c:78
 #2  __GI___pthread_kill (threadid=140438241216064, signo=signo at entry=6) at
 ./nptl/pthread_kill.c:89
 #3  0x00007fba5b2dc476 in __GI_raise (sig=sig at entry=6) at
 ../sysdeps/posix/raise.c:26
 #4  0x00007fba5b2c27f3 in __GI_abort () at ./stdlib/abort.c:79
 #5  0x00007fba5b323676 in __libc_message (action=action at entry=do_abort,
 fmt=fmt at entry=0x7fba5b47592e "*** %s ***: terminated\n")
     at ../sysdeps/posix/libc_fatal.c:155
 #6  0x00007fba5b3d059a in __GI___fortify_fail
 (msg=msg at entry=0x7fba5b4758d4 "buffer overflow detected") at
 ./debug/fortify_fail.c:26
 #7  0x00007fba5b3cef16 in __GI___chk_fail () at ./debug/chk_fail.c:28
 #8  0x00007fba5b3cfaa5 in __swprintf_chk (s=<optimised out>,
 maxlen=<optimised out>, flag=<optimised out>, slen=<optimised out>,
 format=<optimised out>)
     at ./debug/swprintf_chk.c:29
 #9  0x00007fba575f62f8 in MgOgcServer::IsIterationInSubset(int,
 std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>,
 std::allocator<wchar_t> >, wchar_t const*) () from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #10 0x00007fba575f8e01 in
 MgOgcServer::ProcedureEnum(MgXmlProcessingInstruction&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #11 0x00007fba575f948f in
 MgOgcServer::ProcessInstruction(MgXmlProcessingInstruction&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #12 0x00007fba575f97c3 in MgOgcServer::ProcessXmlStream(MgXmlParser&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #13 0x00007fba575f9822 in MgOgcServer::ProcessXmlStream(MgXmlParser&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #14 0x00007fba575f9822 in MgOgcServer::ProcessXmlStream(MgXmlParser&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #15 0x00007fba575f9822 in MgOgcServer::ProcessXmlStream(MgXmlParser&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #16 0x00007fba575fe69a in
 MgOgcServer::Expansion(std::__cxx11::basic_string<wchar_t,
 std::char_traits<wchar_t>, std::allocator<wchar_t> > const&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #17 0x00007fba575fe922 in MgOgcServer::ProcessExpansion(wchar_t const*) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #18 0x00007fba575fe9b7 in MgOgcServer::ProcessExpandableText(wchar_t
 const*, int) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #19 0x00007fba575f9879 in MgOgcServer::ProcessXmlStream(MgXmlParser&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #20 0x00007fba576023ac in
 MgOgcServer::ProcessResponseElement(MgXmlParser&, wchar_t const*, wchar_t
 const*) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #21 0x00007fba57602877 in
 MgOgcServer::ProcessTemplateElement(MgXmlParser&, wchar_t const*, wchar_t
 const*, wchar_t const*) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #22 0x00007fba57602aa3 in MgOgcServer::GenerateResponse(wchar_t const*,
 wchar_t const*) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #23 0x00007fba57602c20 in MgOgcWmsServer::GetCapabilitiesResponse() ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #24 0x00007fba575da4a6 in MgOgcServer::ProcessRequest(IMgOgcDataAccessor*)
 ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #25 0x00007fba57623414 in
 MgHttpWmsGetCapabilities::Execute(MgHttpResponse&) ()
    from
 /usr/local/mapguideopensource-4.0.0/webserverextensions/apache2/modules/../../lib64/libMgHttpHandler-4.0.0.so
 #26 0x00007fba5762694c in MgHttpRequest::Execute() ()

 }}}
-- 
Ticket URL: <https://trac.osgeo.org/mapguide/ticket/2878#comment:2>
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