NEW301206
[ Tahoe ] 2x TestIPC.IPCSerialization.* (api-tests) are constant failures 
https://bugs.webkit.org/show_bug.cgi?id=301206
Summary [ Tahoe ] 2x TestIPC.IPCSerialization.* (api-tests) are constant failures
Dawn Morningstar
Reported 2025-10-21 11:57:12 PDT
TestIPC.IPCSerialization.AVOutputContext TestIPC.IPCSerialization.SecureCoding Are both failing on Tahoe, these were not failing previously and are not failing internally. History: https://results.webkit.org/?suite=api-tests&suite=api-tests&test=TestIPC.IPCSerialization.SecureCoding&test=TestIPC.IPCSerialization.AVOutputContext Test-run: https://build.webkit-uat.org/#/builders/1716/builds/25 STDIO: https://s3-us-west-2.amazonaws.com/archives.webkit-uat.org/mac-tahoe-x86_64%20arm64-debug-run-api-tests/301721@main-17.txt FAILURE: "TestIPC.IPCSerialization.AVOutputContext", "2025-10-17 15:21:27.190 TestIPC[65531:5490673] NSEventConcurrentProcessingEnabled=NO\n\n/Volumes/Data/worker/Apple-Tahoe-Debug-Build/build/Tools/TestWebKitAPI/Tests/IPC/IPCSerialization.mm:668\nValue of: bObject != nullptr\n Actual: false\nExpected: true\n\n\n\n/Volumes/Data/worker/Apple-Tahoe-Debug-Build/build/Tools/TestWebKitAPI/Tests/IPC/IPCSerialization.mm:928\nValue of: holder == result\n Actual: false\nExpected: true" "TestIPC.IPCSerialization.SecureCoding", "2025-10-17 15:21:28.870 TestIPC[65692:5491718] NSEventConcurrentProcessingEnabled=NO\n\n/Volumes/Data/worker/Apple-Tahoe-Debug-Build/build/Tools/TestWebKitAPI/Tests/IPC/IPCSerialization.mm:668\nValue of: bObject != nullptr\n Actual: false\nExpected: true\n\n\n\n/Volumes/Data/worker/Apple-Tahoe-Debug-Build/build/Tools/TestWebKitAPI/Tests/IPC/IPCSerialization.mm:928\nValue of: holder == result\n Actual: false\nExpected: true"
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Radar WebKit Bug Importer
Comment 1 2025-10-21 11:58:54 PDT
<rdar://problem/163132998>
Robert Jenner
Comment 2 2025-10-30 13:39:55 PDT
These failures are occurring on Tahoe Release, and Debug. Also, API-Tests are not WK1/WK2 deterministic. Removing from title.
Robert Jenner
Comment 3 2025-10-30 13:51:43 PDT
Pull request: https://github.com/WebKit/WebKit/pull/53215
Jonathan Bedard
Comment 4 2025-11-07 13:44:18 PST
Simon fixed TestIPC.IPCSerialization.SecureCoding, but not TestIPC.IPCSerialization.AVOutputContext.
Simon Lewis
Comment 5 2025-11-08 12:18:13 PST
PR to fix AVOutputContext test failure is here: https://github.com/WebKit/WebKit/pull/53618
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