[Webkit-unassigned] [Bug 262425] New: REGRESSION(268433 at main): [ iOS17 Sonoma ] 5 tests under http/wpt/mediarecorder are constantly crashing.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Sep 29 19:17:54 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=262425

            Bug ID: 262425
           Summary: REGRESSION(268433 at main): [ iOS17 Sonoma ] 5 tests
                    under http/wpt/mediarecorder are constantly crashing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com, youennf at gmail.com

The following tests under http/wpt/mediarecorder/ are constantly crashing:

http/wpt/mediarecorder/MediaRecorder-dataavailable.html
http/wpt/mediarecorder/MediaRecorder-multiple-start-stop.html
http/wpt/mediarecorder/MediaRecorder-requestData.html
http/wpt/mediarecorder/pause-recording.html
http/wpt/mediarecorder/record-96KHz-sources.html

HISTORY:

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=http%2Fwpt%2Fmediarecorder%2FMediaRecorder-dataavailable.html&test=http%2Fwpt%2Fmediarecorder%2FMediaRecorder-multiple-start-stop.html&test=http%2Fwpt%2Fmediarecorder%2FMediaRecorder-requestData.html&test=http%2Fwpt%2Fmediarecorder%2Fpause-recording.html&test=http%2Fwpt%2Fmediarecorder%2Frecord-96KHz-sources.html

CRASH LOG (stderr):

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.0.sdk/usr/include/c++/v1/optional:962: assertion this->has_value() failed: optional operator* called on a disengaged valuecom.apple.WebKit.WebContent.Development terminated (pid 73897) for reason: crash
LEAK: 1 WebPageProxy

CRASH LOG URL:

https://build.webkit.org/results/Apple-Sonoma-Debug-AppleSilicon-WK2-Tests/268677@main%20(32)/http/wpt/mediarecorder/MediaRecorder-dataavailable-crash-log.txt

REPRODUCIBILITY:

I was able to reproduce this issue on macOS Sonoma (14.0, 23A344/arm64) ToT using the following command: 

run-webkit-tests --clobber-old-results --verbose http/wpt/mediarecorder/MediaRecorder-dataavailable.html http/wpt/mediarecorder/MediaRecorder-multiple-start-stop.html http/wpt/mediarecorder/MediaRecorder-requestData.html http/wpt/mediarecorder/pause-recording.html http/wpt/mediarecorder/record-96KHz-sources.html

REGRESSION:

I was able to bisect a possible regression point at 268433 at main. This issue did not reproduce before then, and changes at that point appear to be directly related to the issue.

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