[Webkit-unassigned] [Bug 224698] New: [ BigSur Release wk2 ARM64 ] inspector/console/console-oom.html is a flakey crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=224698

            Bug ID: 224698
           Summary: [ BigSur Release wk2 ARM64 ]
                    inspector/console/console-oom.html is a flakey crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Jenner at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

inspector/console/console-oom.html

is flakey crashing on macOS Release BigSur wk2 on Apple Silicon Macs only. 

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=inspector%2Fconsole%2Fconsole-oom.html

Crashes appear very rare, and have only happened twice. Once at r275607, and once at r276149. 

CRASH URL:
https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK2-Tests/r276149%20(930)/inspector/console/console-oom-crash-log.txt

CRASH TEXT:
Crashed Thread:        8  Dispatch queue: com.apple.root.user-interactive-qos

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000010
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Segmentation fault: 11
Termination Reason:    Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [97445]

VM Regions Near 0x10:

Thread 8 Crashed:: Dispatch queue: com.apple.root.user-interactive-qos
0   libobjc.A.dylib                     0x0000000186d27178 objc_msgSend + 24
1   com.apple.Foundation                0x0000000187ceefc8 __NSOQSchedule_f + 232
2   libdispatch.dylib                   0x0000000186cdf8bc _dispatch_call_block_and_release + 32
3   libdispatch.dylib                   0x0000000186ce1420 _dispatch_client_callout + 20
4   libdispatch.dylib                   0x0000000186cf20d8 _dispatch_root_queue_drain + 656
5   libdispatch.dylib                   0x0000000186cf27a4 _dispatch_worker_thread2 + 116
6   libsystem_pthread.dylib             0x0000000186e8a024 _pthread_wqthread + 216
7   libsystem_pthread.dylib             0x0000000186e88d94 start_wqthread + 8

Full crash log is attached to the bug below.

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