Bug 294225

Summary: REGRESSION(294820@main): [ iOS Debug ] fast/page-color-sampling/basic-fixed-container-edge-sampling.html is a constant crash.
Product: WebKit Reporter: Yasmin Karimi <y_karimi>
Component: New BugsAssignee: Wenson Hsieh <wenson_hsieh>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
basic-fixed-container-edge-sampling-crash-log none

Yasmin Karimi
Reported 2025-06-09 15:02:44 PDT
Created attachment 475517 [details] basic-fixed-container-edge-sampling-crash-log fast/page-color-sampling/basic-fixed-container-edge-sampling.html This test is a constant crash on iOS Debug. HISTORY: https://results.webkit.org/?suite=layout-tests&test=fast%2Fpage-color-sampling%2Fbasic-fixed-container-edge-sampling.html STDERR: Attached REPRODUCIBILITY: I was unable to reproduce on the iOS 18.2 simulator. REGRESSION: According to the results dashboard and contextual information, the probable regression point is 294820@main. The code paths changed in this commit appear to be directly related to the observed regression test failures.
Attachments
basic-fixed-container-edge-sampling-crash-log (5.03 KB, text/plain)
2025-06-09 15:02 PDT, Yasmin Karimi 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2025-06-09 15:03:49 PDT
<rdar://problem/152870409>
Alexey Proskuryakov
Comment 2 2025-06-09 15:58:41 PDT
ASSERTION FAILED: Component at index 0 is -0.000000 and is less than the allowed minimum 0.000000 components[i] >= ColorType::Model::componentInfo[i].min
Wenson Hsieh
Comment 3 2025-06-11 14:20:57 PDT
Pull request: https://github.com/WebKit/WebKit/pull/46618
EWS
Comment 4 2025-06-11 21:22:45 PDT
Committed 296120@main (834b04082696): <https://commits.webkit.org/296120@main> Reviewed commits have been landed. Closing PR #46618 and removing active labels.
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