iOS apps crashing, -[SemanticsObject accessibilityAttributedLabel], objc_msgSend() selector name: length #88547
Description
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: EXC_I386_GPFLT
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [41758]
Application Specific Information:
objc_msgSend() selector name: length
CoreSimulator 732.18.6 - Device: TestAdd2AppSim (C62405C6-D622-424B-A0DA-E483AE666793) - Runtime: iOS 14.3 (18C61) - DeviceType: iPhone 11
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libobjc.A.dylib 0x000000010940478b objc_msgSend + 11
1 io.flutter.flutter 0x0000000106102e48 -[SemanticsObject accessibilityAttributedLabel] + 52
2 com.apple.UIAccessibility 0x000000013741eedf -[NSObject(AXPrivCategory) _accessibilityPotentiallyAttributedValueForNonAttributedSelector:attributedSelector:] + 237
Plugins tree is closed:
https://cirrus-ci.com/task/5163527850688512?logs=native_test#L415-L418
module_test_ios on flutter/flutter also failed. It's unfortunately marked flaky, so it didn't close the tree.
https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8838512374717310545/+/u/run_module_test_ios/test_stdout
Started on engine roll #88481, assuming flutter/engine#27893.