Bug 230413

Summary:	[ iOS Debug & macOS wk2 ] fast/canvas/canvas-drawImage-detached-leak.html is a flaky failure
Product:	WebKit	Reporter:	ayumi_kojima
Component:	Canvas	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	dino, sabouhallawa, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description ayumi_kojima 2021-09-17 10:55:55 PDT

fast/canvas/canvas-drawImage-detached-leak.html 

Is a flaky failure on iOS Debug and macOS wk2.

History: https://results.webkit.org/?suite=layout-tests&test=fast%2Fcanvas%2Fcanvas-drawImage-detached-leak.html

Result page: https://build.webkit.org/results/Apple-BigSur-Debug-AppleSilicon-WK2-Tests/r282661%20(3113)/results.html

Diff:

--- /Volumes/Data/worker/bigsur-debug-applesilicon-tests-wk2/build/layout-test-results/fast/canvas/canvas-drawImage-detached-leak-expected.txt
+++ /Volumes/Data/worker/bigsur-debug-applesilicon-tests-wk2/build/layout-test-results/fast/canvas/canvas-drawImage-detached-leak-actual.txt
@@ -3,7 +3,7 @@
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS internals.remoteImagesCountForTesting() is 0
+FAIL internals.remoteImagesCountForTesting() should be 0. Was 3.
 PASS successfullyParsed is true
 
 TEST COMPLETE

Comment 1 Radar WebKit Bug Importer 2021-09-17 10:56:33 PDT

<rdar://problem/83247535>

Comment 2 ayumi_kojima 2021-09-17 11:09:04 PDT

Marked test expectations: https://trac.webkit.org/changeset/282673/webkit

Comment 3 ayumi_kojima 2021-10-14 14:50:29 PDT

I was not able to reproduce the failure locally on BigSur using run-webkit-tests --force --iterations 50 --exit-after-n-failures 1 fast/canvas/canvas-drawImage-detached-leak.html -f

According to the history, the test has been flaky since it was added in https://trac.webkit.org/changeset/281980/webkit