Bug 191757 – (r238246) [ MacOS Debug ] Layout Test http/wpt/webauthn/ctap-hid-failure.https.html is Crashing

• Component: Tools / Tests
• Status: RESOLVED FIXED

[Truitt Savell]

The following layout test is crashing on MacOS Debug

http/wpt/webauthn/ctap-hid-failure.https.html

Probable cause:

This test was added in https://trac.webkit.org/changeset/238166/webkit and edited in https://trac.webkit.org/changeset/238246/webkit. It is crashing very consistently. 

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fwebauthn%2Fctap-hid-failure.https.html

Crash Log:
https://build.webkit.org/results/Apple%20High%20Sierra%20Debug%20WK2%20(Tests)/r238277%20(5566)/http/wpt/webauthn/ctap-hid-failure.https-crash-log.txt

excerpt:
Application Specific Information:
CRASHING TEST: /workers/service/worker-fails-to-start.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore      	0x0000000104302f50 WTFCrash + 16 (Assertions.cpp:255)
1   com.apple.WebKit              	0x000000010d77e087 WTF::CompletionHandler<void (WebKit::HidConnection::DataSent)>::~CompletionHandler() + 87 (CompletionHandler.h:51)
2   com.apple.WebKit              	0x000000010d779c35 WTF::CompletionHandler<void (WebKit::HidConnection::DataSent)>::~CompletionHandler() + 21 (CompletionHandler.h:52)
3   com.apple.WebKit              	0x000000010e3dd3c3 WebKit::MockHidConnection::send(WTF::Vector<unsigned char, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::CompletionHandler<void (WebKit::HidConnection::DataSent)>&&)::$_2::operator()()::'lambda'()::~'lambda'()() + 35 (MockHidConnection.cpp:75)
4   com.apple.WebKit              	0x000000010e3dcab5 WebKit::MockHidConnection::send(WTF::Vector<unsigned char, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::CompletionHandler<void (WebKit::HidConnection::DataSent)>&&)::$_2::operator()()::'lambda'()::~'lambda'()() + 21 (MockHidConnection.cpp:75)
5   com.apple.WebKit              	0x000000010e3dd1f1 WTF::Function<void ()>::CallableWrapper<WebKit::MockHidConnection::send(WTF::Vector<unsigned char, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::CompletionHandler<void (WebKit::HidConnection::DataSent)>&&)::$_2::operator()()::'lambda'()>::~CallableWrapper() + 49 (Function.h:91)

[Jiewen Tan]

Created attachment 355095 [details]
Patch

[Jiewen Tan]

Comment on attachment 355095 [details]
Patch

Thanks Chris for r+ this patch.

[WebKit Commit Bot]

Comment on attachment 355095 [details]
Patch

Clearing flags on attachment: 355095

Committed r238579: <https://trac.webkit.org/changeset/238579>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/46289489>