Bug 187464

Summary:

Flaky Test: fast/files/file-reader-immediate-abort.html

Product:

WebKit

Reporter:

WebKit Commit Bot <commit-queue>

Component:

Tools / Tests

Assignee:

WebKit Commit Bot <commit-queue>

Status:

NEW ---

Severity:

Normal

CC:

lforschler, msaboff, realdawei, ryanhaddad, tsavell

Priority:

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Bug Depends on:

Bug Blocks:

50856

Attachments:

Description	Flags
Archive of layout-test-results from webkit-cq-01	none
Crash log	none

Description WebKit Commit Bot 2018-07-09 04:26:45 PDT

This is an automatically generated bug from the commit-queue.
fast/files/file-reader-immediate-abort.html has been flaky on the commit-queue.

fast/files/file-reader-immediate-abort.html was authored by msaboff@apple.com.
https://trac.webkit.org/browser/trunk/LayoutTests/fast/files/file-reader-immediate-abort.html

The commit-queue just saw fast/files/file-reader-immediate-abort.html flake (DumpRenderTree crashed) while processing attachment 344571 [details] on bug 187111.
Bot: webkit-cq-01  Port: <class 'webkitpy.common.config.ports.MacPort'>  Platform: Mac OS X 10.12.6

The bots will update this with information from each new failure.

If you believe this bug to be fixed or invalid, feel free to close.  The bots will re-open if the flake re-occurs.

If you would like to track this test fix with another bug, please close this bug as a duplicate.  The bots will follow the duplicate chain when making future comments.

Comment 1 WebKit Commit Bot 2018-07-09 04:26:47 PDT

Created attachment 344572 [details]
Archive of layout-test-results from webkit-cq-01

Comment 2 Ryan Haddad 2018-07-09 09:15:00 PDT

Created attachment 344592 [details]
Crash log

Thread 31 Crashed:: WTF::AutomaticThread
0   com.apple.JavaScriptCore      	0x0000000101eb28c7 WTF::StringImpl::costDuringGC() + 87 (MathExtras.h:224)
1   com.apple.JavaScriptCore      	0x0000000101eb24c7 JSC::JSString::visitChildren(JSC::JSCell*, JSC::SlotVisitor&) + 151 (JSString.cpp:102)
2   com.apple.JavaScriptCore      	0x0000000101b59ce8 JSC::SlotVisitor::drain(WTF::MonotonicTime)::$_3::operator()(JSC::MarkStackArray&) const + 248 (SlotVisitor.cpp:370)
3   com.apple.JavaScriptCore      	0x0000000101b57232 JSC::SlotVisitor::drain(WTF::MonotonicTime) + 146 (SlotVisitorInlines.h:188)
4   com.apple.JavaScriptCore      	0x0000000101b576ad JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode, WTF::MonotonicTime) + 61 (SlotVisitor.cpp:671)
5   com.apple.JavaScriptCore      	0x0000000101b3b21d WTF::SharedTaskFunctor<void (), JSC::Heap::runBeginPhase(JSC::GCConductor)::$_18>::run() + 141 (SlotVisitor.h:258)
6   com.apple.JavaScriptCore      	0x00000001014e05cc WTF::ParallelHelperClient::runTask(WTF::RefPtr<WTF::SharedTask<void ()>, WTF::DumbPtrTraits<WTF::SharedTask<void ()> > >) + 44 (DumbPtrTraits.h:41)
7   com.apple.JavaScriptCore      	0x00000001014e1000 WTF::ParallelHelperPool::Thread::work() + 48 (utility:754)
8   com.apple.JavaScriptCore      	0x00000001014b9e2e WTF::Function<void ()>::CallableWrapper<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0>::call() + 334 (AutomaticThread.cpp:224)
9   com.apple.JavaScriptCore      	0x00000001014fa4c4 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 212 (memory:2735)
10  com.apple.JavaScriptCore      	0x00000001014fc049 WTF::wtfThreadEntryPoint(void*) + 9 (ThreadingPthreads.cpp:228)
11  libsystem_pthread.dylib       	0x00007fffb959393b _pthread_body + 180
12  libsystem_pthread.dylib       	0x00007fffb9593887 _pthread_start + 286
13  libsystem_pthread.dylib       	0x00007fffb959308d thread_start + 13