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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Your response made me dig a little deeper and I was able create a more detailed stack trace<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> ntdll.dll!RtlReportCriticalFailure‑() Unknown<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> ntdll.dll!RtlpHeapHandleError‑() Unknown<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> ntdll.dll!RtlpLogHeapFailure‑() Unknown<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> ntdll.dll!RtlFreeHeap‑() Unknown<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> ucrtbase.dll!_free_base() Unknown<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> libcurl9.dll!Curl_free_request_state(Curl_easy * data) Line 2169 C<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">> libcurl9.dll!multi_done(Curl_easy * data, CURLcode status, bool premature) Line 698 C<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> libcurl9.dll!multi_runsingle(Curl_multi * multi, curltime * nowp, Curl_easy * data) Line 1745 C<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> libcurl9.dll!curl_multi_perform(Curl_multi * multi, int * running_handles) Line 2526 C<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> xmltooling3_2.dll!xmltooling::CurlURLInputStream::readMore(int * runningHandles) Line 496 C++<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> xmltooling3_2.dll!xmltooling::CurlURLInputStream::init(const xercesc_3_2::DOMElement * e) Line 392 C++<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> xmltooling3_2.dll!xmltooling::CurlURLInputStream::CurlURLInputStream(const xercesc_3_2::DOMElement * e, std::basic_string<char,std::char_traits<char>,std::allocator<char>
> * cacheTag) Line 219 C++<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> xmltooling3_2.dll!xmltooling::URLInputSource::makeStream() Line 506 C++Libcurl was updated to version 7.7.7.0 on the latest Shibboleth version<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">The crash is because of a free in Curl_free_request_state. This seems to be exactly the same as described in
<a href="https://github.com/curl/curl/issues/7443">https://github.com/curl/curl/issues/7443</a> which is a bug in libcurl version 7.77, the one used by Shibboleth<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">The libcurl bug is related to proxy usage. Uncommon may be that our webserver needs a proxy for the metadata reloading. Therefore we have added<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> <TransportOption provider="CURL" option="10004">172.17.166.1:80</TransportOption><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">to each MetadataProvider configuration. This has always worked fine on 3.1.0.2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Upgrading Shibboleth to libcurl 7.78 or later might solve my crash?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Jos Groot Lipman</span><span style="font-size:9.0pt;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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