231974 2021-10-19 12:07:43 -0700 [ iOS15 Sim Debug ] API tests crashing (bot issue) 2021-10-19 12:27:30 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED INVALID InRadar P2 Normal --- 1 ehutchison webkit-unassigned ehutchison webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1806214 0 ehutchison 2021-10-19 12:07:43 -0700 TestWebKitAPI._WKDownload.Resume is a flaky crash on iOS15 Sim Debug. History: https://results.webkit.org/?recent=false&suite=api-tests&test=TestWebKitAPI._WKDownload.Resume&platform=ios Build: https://ews-build.webkit.org/#/builders/9/builds/56954, https://build.webkit.org/#/builders/267/builds/228 Results: https://ews-build.webkit.org/api/v2/logs/15117402/raw, https://build.webkit.org/api/v2/logs/4752498/raw From STDIO on EWS: Crashed TestWebKitAPI._WKDownload.Resume Child process terminated with signal 5: Trace/BPT trap 2021-10-18 21:23:10.777 com.apple.WebKit.Networking.Development[95651:782981694] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Cannot create download task without request or resume data' *** First throw call stack: ( 0 CoreFoundation 0x00000001114fefba __exceptionPreprocess + 242 1 libobjc.A.dylib 0x00000001112f8ff5 objc_exception_throw + 48 2 CFNetwork 0x0000000111c8f228 CFNetwork + 16936 3 WebKit 0x000000010f2bd667 _ZN6WebKit8Download6resumeERKN3IPC14ArrayReferenceIhLm18446744073709551615EEERKN3WTF6StringEONS_16SandboxExtension6HandleE + 353 4 WebKit 0x000000010f3af6a4 _ZN6WebKit15DownloadManager14resumeDownloadEN3PAL9SessionIDEN3WTF16ObjectIdentifierINS_22DownloadIdentifierTypeEEERKN3IPC14ArrayReferenceIhLm18446744073709551615EEERKNS3_6StringEONS_16SandboxExtension6HandleENS_20CallDownloadDidStartE + 132 5 WebKit 0x000000010f218f90 _ZN6WebKit14NetworkProcess31didReceiveNetworkProcessMessageERN3IPC10ConnectionERNS1_7DecoderE + 3212 6 WebKit 0x000000010f1df473 _ZN3IPC10Connection15dispatchMessageENSt3__110unique_ptrINS_7DecoderENS1_14default_deleteIS3_EEEE + 221 7 WebKit 0x000000010f1df6b5 _ZN3IPC10Connection26dispatchOneIncomingMessageEv + 169 8 JavaScriptCore 0x0000000117000cc1 _ZN3WTF7RunLoop11performWorkEv + 545 9 JavaScriptCore 0x0000000117001572 _ZN3WTF7RunLoop11performWorkEPv + 34 10 CoreFoundation 0x000000011146cede __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 11 CoreFoundation 0x000000011146cdd6 __CFRunLoopDoSource0 + 180 12 CoreFoundation 0x000000011146c29e __CFRunLoopDoSources0 + 242 13 CoreFoundation 0x00000001114669f7 __CFRunLoopRun + 875 14 CoreFoundation 0x00000001114661a7 CFRunLoopRunSpecific + 567 15 Foundation 0x000000010ed3d204 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 209 16 Foundation 0x000000010ed3d418 -[NSRunLoop(NSRunLoop) run] + 76 17 libxpc.dylib 0x0000000112d871a8 _xpc_objc_main + 591 18 libxpc.dylib 0x0000000112d89143 xpc_main + 143 19 WebKit 0x000000010f3934a8 _ZN6WebKit14XPCServiceMainEiPPKc + 87 20 libdyld.dylib 0x0000000112a31bbd start + 1 ) From https://build.webkit.org/#/builders/267/builds/228 (os/kern) memory data moved worker/0 TestWebKitAPI._WKDownload.Resume Crashed An error was encountered processing the command (domain=NSMachErrorDomain, code=24): (os/kern) memory data moved Unable to reproduce crash locally on ToT (r284463) using run-api-tests --ios-simulator --debug TestWebKitAPI._WKDownload.Resume. 1806223 1 ehutchison 2021-10-19 12:27:17 -0700 Crash is due to a test issue, not the code itself. Closing bug. 1806225 2 webkit-bug-importer 2021-10-19 12:27:30 -0700 <rdar://problem/84427286>