230514 2021-09-20 14:53:51 -0700 [ BigSur Catalina iOS14 wk2 Release ] imported/w3c/web-platform-tests/html/webappapis/structured-clone/structured-clone.any.html is a flaky crash (no data while reading stdout for the server process) 2021-11-03 12:58:23 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 231684 InRadar P2 Normal --- 1 ehutchison webkit-unassigned achristensen ap cdumez ehutchison jbedard webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1795305 0 438734 ehutchison 2021-09-20 14:53:51 -0700 Created attachment 438734 Crash Log imported/w3c/web-platform-tests/html/webappapis/structured-clone/structured-clone.any.html is a flaky crash on BigSur wk2 Release. History: https://results.webkit.org/?suite=layout-tests&test=imported/w3c/web-platform-tests/html/webappapis/structured-clone/structured-clone.any.html Results: https://ews-build.s3-us-west-2.amazonaws.com/macOS-Catalina-Release-WK2-Tests-EWS/r438652-15963/results.html Crash Log: no crash log (file attached):link: https://ews-build.s3-us-west-2.amazonaws.com/macOS-Catalina-Release-WK2-Tests-EWS/r438652-15963/imported/w3c/web-platform-tests/html/webappapis/structured-clone/structured-clone.any-crash-log.txt Text: No crash log found for com.apple.WebKit.WebContent.Development:27345. stdout: stderr: com.apple.WebKit.WebContent.Development terminated (pid 27345) because the process crashed Unable to reproduce crash locally. 1795306 1 webkit-bug-importer 2021-09-20 14:54:25 -0700 <rdar://problem/83325741> 1795309 2 ehutchison 2021-09-20 15:05:47 -0700 Also affects Catalina wk2 on ews: https://ews-build.webkit.org/#/builders/59/builds/15963 and iOS14 on ews: https://ews-build.webkit.org/#/builders/51/builds/21584 Updated test expectations at https://trac.webkit.org/changeset/282787/webkit 1795310 3 webkit-bug-importer 2021-09-20 15:06:01 -0700 <rdar://problem/83326350> 1795742 4 ap 2021-09-21 13:52:12 -0700 Why does this always happen for a new test in a test group? 10:16:15.895 29505 worker/5 finished test group 10:16:15.943 29505 worker/5 com.apple.WebKit.WebContent.Development crash, pid = 38945 10:16:15.963 29505 worker/5 This test marked as a crash because of no data while reading stdout for the server process. 10:16:15.963 29505 worker/5 This test marked as a crash because of no data while reading stdout for the server process. 10:17:01.034 29505 worker/5 worker/5 imported/w3c/web-platform-tests/html/webappapis/structured-clone/structured-clone.any.html crashed, (stderr lines): 10:17:01.035 29505 worker/5 com.apple.WebKit.WebContent.Development terminated (pid 38945) because the process crashed 10:17:01.035 29505 worker/5 killing driver 1811598 5 ehutchison 2021-11-03 12:58:23 -0700 *** This bug has been marked as a duplicate of bug 231684 *** 438734 2021-09-20 14:53:51 -0700 2021-09-20 14:53:51 -0700 Crash Log structured-clone.any-crash-log.txt text/plain 180 ehutchison Tm8gY3Jhc2ggbG9nIGZvdW5kIGZvciBjb20uYXBwbGUuV2ViS2l0LldlYkNvbnRlbnQuRGV2ZWxv cG1lbnQ6MjczNDUuCgpzdGRvdXQ6CgpzdGRlcnI6CmNvbS5hcHBsZS5XZWJLaXQuV2ViQ29udGVu dC5EZXZlbG9wbWVudCB0ZXJtaW5hdGVkIChwaWQgMjczNDUpIGJlY2F1c2UgdGhlIHByb2Nlc3Mg Y3Jhc2hlZAoK