Bug 194429 – [WinCairo] Crash in libcurl with WinCairoRequirements v2019.02.07

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKit Misc.

[Fujii Hironori]

[WinCairo] Crash in h2_pri_spec with WinCairoRequirements v2019.02.07

MiniBrowser is going to crash soon while browsing web sites.

trunk@240915
WinCairo port, Debug build
clang-cl version 7.0.0 (x86_64-pc-windows-msvc)

Callstack:

> [Inline Frame] libcurl.dll!h2_pri_spec(Curl_easy *) Line 1482	C
> libcurl.dll!h2_session_send(Curl_easy * data, nghttp2_session * h2) Line 1508	C
> libcurl.dll!h2_process_pending_input(connectdata * conn, http_conn * httpc, CURLcode * err) Line 1349	C
> [Inline Frame] libcurl.dll!http2_connisdead(connectdata *) Line 219	C
> libcurl.dll!http2_conncheck(connectdata * check, unsigned int checks_to_perform) Line 239	C
> libcurl.dll!extract_if_dead(connectdata * conn, Curl_easy * data) Line 968	C
> libcurl.dll!ConnectionExists(Curl_easy * data, connectdata * needle, connectdata * * usethis, bool * force_reuse, bool * waitpipe) Line 1135	C
> libcurl.dll!create_conn(Curl_easy * data, connectdata * * in_connect, bool * async) Line 3888	C
> libcurl.dll!Curl_connect(Curl_easy * data, bool * asyncp, bool * protocol_done) Line 4153	C
> libcurl.dll!multi_runsingle(Curl_multi * multi, curltime now, Curl_easy * data) Line 1463	C
> libcurl.dll!curl_multi_perform(Curl_multi * multi, int * running_handles) Line 2223	C
> WebKit.dll!WebCore::CurlMultiHandle::perform(int & runningHandles) Line 259	C++
> WebKit.dll!WebCore::CurlRequestScheduler::workerThread() Line 169	C++
> WebKit.dll!WebCore::CurlRequestScheduler::startThreadIfNeeded::<unnamed-tag>::operator()() Line 89	C++
> WebKit.dll!WTF::Function<void ()>::CallableWrapper<`lambda at ..\..\Source\WebCore\platform\network\curl\CurlRequestScheduler.cpp:87:49'>::call() Line 101	C++
> WTF.dll!WTF::Function<void ()>::operator()() Line 56	C++
> WTF.dll!WTF::Thread::entryPoint(WTF::Thread::NewThreadContext * newThreadContext) Line 137	C++
> WTF.dll!WTF::wtfThreadEntryPoint(void * data) Line 152	C++
> [External Code]

[Fujii Hironori]

Looks similar issue with https://github.com/curl/curl/issues/3463
But, the fix (https://github.com/curl/curl/commit/54b201b48c90a2fb03c2baf90837c6b63adbc344) must be included in 7.64.

[Fujii Hironori]

Fixed https://github.com/WebKitForWindows/WinCairoRequirements/releases/tag/v2019.02.22