Crash in `ToString_Async` test on Apple mobile with CoreCLR R2R and interpreter

[kotlarmilos]

Description

Apple mobile tests fail when running ToString_Async with CoreCLR R2R and interpreter fallback.

Crash dump:

Incident Identifier: 28FA96E1-107E-4CA8-9C2A-A022F67C6646
CrashReporter Key:   c5d0398236b71d65ab79982eef2d259fa34f0229
Hardware Model:      AppleTV5,3
Process:             System.Runtime.Tests [7578]
Path:                /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/System.Runtime.Tests
Identifier:          net.dot.System.Runtime.Tests
Version:             1.0 (1)
Code Type:           ARM-64 (Native)
Role:                Background
Parent Process:      launchd [1]
Coalition:           net.dot.System.Runtime.Tests [2421]

Date/Time:           2026-02-05 05:14:52.2089 -0800
Launch Time:         2026-02-05 05:11:53.9444 -0800
OS Version:          Apple TVOS 26.2 (23K54)
Release Type:        User
Report Version:      104

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000006
Exception Codes: 0x0000000000000001, 0x0000000000000006
VM Region Info: 0x6 is not in any region.  Bytes before following region: 4298604538
      REGION TYPE                 START - END      [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                   100378000-100388000 [   64K] r-x/r-x SM=COW  /var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/System.Runtime.Tests
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [7578]

Triggered by Thread:  10

Thread 0 name:   Dispatch queue: com.apple.main-thread
Thread 0:
0   libsystem_kernel.dylib        	       0x1ac60a874 mach_msg2_trap + 8
1   libsystem_kernel.dylib        	       0x1ac60b3e8 mach_msg2_internal + 72
2   libsystem_kernel.dylib        	       0x1ac60b378 mach_msg_overwrite + 524
3   libsystem_kernel.dylib        	       0x1ac60b160 mach_msg + 20
4   CoreFoundation                	       0x18ad8ac9c __CFRunLoopServiceMachPort + 156
5   CoreFoundation                	       0x18ad8b520 __CFRunLoopRun + 1180
6   CoreFoundation                	       0x18adb1438 _CFRunLoopRunSpecificWithOptions + 496
7   GraphicsServices              	       0x1cf03aabc GSEventRunModal + 116
8   UIKitCore                     	       0x1975910c8 -[UIApplication _run] + 772
9   UIKitCore                     	       0x197595660 UIApplicationMain + 148
10  System.Runtime.Tests          	       0x100380490 main + 68
11  dyld                          	       0x189add89c start + 2592

Thread 1 name:   Dispatch queue: com.apple.root.default-qos
Thread 1:
0   libsystem_kernel.dylib        	       0x1ac60af34 __psynch_cvwait + 8
1   libsystem_pthread.dylib       	       0x1aab5c4a4 _pthread_cond_wait + 1040
2   System.Runtime.Tests.r2r.dylib	       0x15595f638 S_P_CoreLib_System_Threading_WaitSubsystem_ThreadWaitInfo__Wait + 712
3   System.Runtime.Tests.r2r.dylib	       0x15595d5a4 S_P_CoreLib_System_Threading_WaitSubsystem__Wait + 148
4   System.Runtime.Tests.r2r.dylib	       0x155953478 S_P_CoreLib_System_Threading_WaitHandle__WaitOneNoCheck + 856
5   System.Runtime.Tests.r2r.dylib	       0x155939c7c S_P_CoreLib_System_Threading_Condition__Wait + 300
6   System.Runtime.Tests.r2r.dylib	       0x15593f6b0 S_P_CoreLib_System_Threading_ManualResetEventSlim__Wait_4 + 896
7   System.Runtime.Tests.r2r.dylib	       0x1559681f0 S_P_CoreLib_System_Threading_Tasks_Task__SpinThenBlockingWait + 512
8   System.Runtime.Tests.r2r.dylib	       0x155967d9c S_P_CoreLib_System_Threading_Tasks_Task__InternalWaitCore + 380
9   System.Runtime.Tests.r2r.dylib	       0x155967c10 S_P_CoreLib_System_Threading_Tasks_Task__InternalWait + 48
10  System.Runtime.Tests.r2r.dylib	       0x1559f35e8 S_P_CoreLib_System_Runtime_CompilerServices_TaskAwaiter__HandleNonSuccessAndDebuggerNotification + 72
11  System.Runtime.Tests.r2r.dylib	       0x154ea1654 AppleTestRunner_SimpleTestRunner___Main_ + 100
12  libcoreclr.dylib              	       0x101077e3c CallDescrWorkerInternal + 132
13  libcoreclr.dylib              	       0x100ef60cc MethodDescCallSite::CallTargetWorker(unsigned long long const*, unsigned long long*, int) + 724
14  libcoreclr.dylib              	       0x100e007b0 RunMain(MethodDesc*, short, int*, PtrArray**) + 600
15  libcoreclr.dylib              	       0x100e00a9c Assembly::ExecuteMainMethod(PtrArray**, int) + 268
16  libcoreclr.dylib              	       0x100e1fb20 CorHost2::ExecuteAssembly(unsigned int, char16_t const*, int, char16_t const**, unsigned int*) + 648
17  libcoreclr.dylib              	       0x100c989cc coreclr_execute_assembly + 248
18  System.Runtime.Tests          	       0x100380b58 mono_ios_runtime_init + 420
19  libdispatch.dylib             	       0x19ff1d77c _dispatch_call_block_and_release + 24
20  libdispatch.dylib             	       0x19ff3519c _dispatch_client_callout + 12
21  libdispatch.dylib             	       0x19ff4f924 _dispatch_queue_override_invoke.cold.3 + 28
22  libdispatch.dylib             	       0x19ff21a90 _dispatch_queue_override_invoke + 772
23  libdispatch.dylib             	       0x19ff2dc48 _dispatch_root_queue_drain + 320
24  libdispatch.dylib             	       0x19ff2e3e0 _dispatch_worker_thread2 + 184
25  libsystem_pthread.dylib       	       0x1aab5b988 _pthread_wqthread + 228
26  libsystem_pthread.dylib       	       0x1aab5b828 start_wqthread + 8

Thread 2 name:  com.apple.uikit.eventfetch-thread
Thread 2:
0   libsystem_kernel.dylib        	       0x1ac60a874 mach_msg2_trap + 8
1   libsystem_kernel.dylib        	       0x1ac60b3e8 mach_msg2_internal + 72
2   libsystem_kernel.dylib        	       0x1ac60b378 mach_msg_overwrite + 524
3   libsystem_kernel.dylib        	       0x1ac60b160 mach_msg + 20
4   CoreFoundation                	       0x18ad8ac9c __CFRunLoopServiceMachPort + 156
5   CoreFoundation                	       0x18ad8b520 __CFRunLoopRun + 1180
6   CoreFoundation                	       0x18adb1438 _CFRunLoopRunSpecificWithOptions + 496
7   Foundation                    	       0x18a411aac -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 208
8   Foundation                    	       0x18a411ccc -[NSRunLoop(NSRunLoop) runUntilDate:] + 60
9   UIKitCore                     	       0x19735cd5c -[UIEventFetcher threadMain] + 324
10  Foundation                    	       0x18a434e34 __NSThread__start__ + 716
11  libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
12  libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 3 name:  .NET SynchManager
Thread 3:
0   libsystem_kernel.dylib        	       0x1ac6169cc kevent + 8
1   libcoreclr.dylib              	       0x1010ae8dc CorUnix::CPalSynchronizationManager::ReadBytesFromProcessPipe(int, unsigned char*, int) + 488
2   libcoreclr.dylib              	       0x1010ae2d4 CorUnix::CPalSynchronizationManager::WorkerThread(void*) + 112
3   libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
4   libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
5   libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 4:
0   libsystem_kernel.dylib        	       0x1ac60af34 __psynch_cvwait + 8
1   libsystem_pthread.dylib       	       0x1aab5c4a4 _pthread_cond_wait + 1040
2   libcoreclr.dylib              	       0x1010ad39c CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 260
3   libcoreclr.dylib              	       0x1010ad08c CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 188
4   libcoreclr.dylib              	       0x1010afde4 CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int) + 1200
5   libcoreclr.dylib              	       0x1010af908 <deduplicated_symbol> + 84
6   libcoreclr.dylib              	       0x100fad118 CLREventBase::WaitEx(unsigned int, WaitMode) + 172
7   libcoreclr.dylib              	       0x100f2f93c FinalizerThread::WaitForFinalizerEvent(CLREvent*) + 44
8   libcoreclr.dylib              	       0x100f2fad0 FinalizerThread::FinalizerThreadWorkerIteration(void*) + 76
9   libcoreclr.dylib              	       0x100f2fa48 FinalizerThread::FinalizerThreadWorker(void*) + 28
10  libcoreclr.dylib              	       0x100ec9380 ManagedThreadBase::KickOff(void (*)(void*), void*) + 208
11  libcoreclr.dylib              	       0x100f2ff28 FinalizerThread::FinalizerThreadStart(void*) + 92
12  libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
13  libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
14  libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 5:
0   libsystem_kernel.dylib        	       0x1ac60af34 __psynch_cvwait + 8
1   libsystem_pthread.dylib       	       0x1aab5c4a4 _pthread_cond_wait + 1040
2   libSystem.Native.dylib        	       0x1003c90b8 SystemNative_LowLevelMonitor_TimedWait + 104
3   System.Runtime.Tests.r2r.dylib	       0x15595f508 S_P_CoreLib_System_Threading_WaitSubsystem_ThreadWaitInfo__Wait + 408
4   System.Runtime.Tests.r2r.dylib	       0x15595d5a4 S_P_CoreLib_System_Threading_WaitSubsystem__Wait + 148
5   System.Runtime.Tests.r2r.dylib	       0x155953478 S_P_CoreLib_System_Threading_WaitHandle__WaitOneNoCheck + 856
6   System.Runtime.Tests.r2r.dylib	       0x1559574d4 S_P_CoreLib_System_Threading_PortableThreadPool_GateThread__GateThreadStart + 708
7   libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
8   libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
9   libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
10  libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
11  libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
12  System.Runtime.Tests.r2r.dylib	       0x15592f888 S_P_CoreLib_System_Threading_Thread__StartCallback + 248
13  libcoreclr.dylib              	       0x101077e3c CallDescrWorkerInternal + 132
14  libcoreclr.dylib              	       0x100ef5db8 DispatchCallSimple(unsigned long*, unsigned int, unsigned long, unsigned int) + 232
15  libcoreclr.dylib              	       0x100f0e114 KickOffThread_Worker(void*) + 144
16  libcoreclr.dylib              	       0x100ec9380 ManagedThreadBase::KickOff(void (*)(void*), void*) + 208
17  libcoreclr.dylib              	       0x100f0c318 KickOffThread(void*) + 188
18  libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
19  libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
20  libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 6:
0   libsystem_kernel.dylib        	       0x1ac60af34 __psynch_cvwait + 8
1   libsystem_pthread.dylib       	       0x1aab5c4a4 _pthread_cond_wait + 1040
2   libSystem.Native.dylib        	       0x1003c90b8 SystemNative_LowLevelMonitor_TimedWait + 104
3   System.Runtime.Tests.r2r.dylib	       0x15595f508 S_P_CoreLib_System_Threading_WaitSubsystem_ThreadWaitInfo__Wait + 408
4   System.Runtime.Tests.r2r.dylib	       0x15595d5a4 S_P_CoreLib_System_Threading_WaitSubsystem__Wait + 148
5   System.Runtime.Tests.r2r.dylib	       0x155953478 S_P_CoreLib_System_Threading_WaitHandle__WaitOneNoCheck + 856
6   System.Runtime.Tests.r2r.dylib	       0x155950800 S_P_CoreLib_System_Threading_TimerQueue__TimerThread + 224
7   libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
8   libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
9   libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
10  libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
11  libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
12  System.Runtime.Tests.r2r.dylib	       0x15592f888 S_P_CoreLib_System_Threading_Thread__StartCallback + 248
13  libcoreclr.dylib              	       0x101077e3c CallDescrWorkerInternal + 132
14  libcoreclr.dylib              	       0x100ef5db8 DispatchCallSimple(unsigned long*, unsigned int, unsigned long, unsigned int) + 232
15  libcoreclr.dylib              	       0x100f0e114 KickOffThread_Worker(void*) + 144
16  libcoreclr.dylib              	       0x100ec9380 ManagedThreadBase::KickOff(void (*)(void*), void*) + 208
17  libcoreclr.dylib              	       0x100f0c318 KickOffThread(void*) + 188
18  libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
19  libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
20  libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 7:
0   System.Runtime.Tests.r2r.dylib	       0x157f495ec xunit_execution_dotnet_Xunit_Sdk_TestCollectionRunner_1__RunTestClassesAsync_d__28<System___Canon>__MoveNext + 1244
1   libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
2   libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
3   libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
4   libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
5   libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
6   System.Runtime.Tests.r2r.dylib	       0x15854fc80 S_P_CoreLib_System_Runtime_CompilerServices_AsyncMethodBuilderCore__Start<xunit_execution_dotnet_Xunit_Sdk_TestCollectionRunner_1__RunTestClassesAsync_d__28<System___Canon>> + 128
7   System.Runtime.Tests.r2r.dylib	       0x157f4236c xunit_execution_dotnet_Xunit_Sdk_TestCollectionRunner_1<System___Canon>__RunTestClassesAsync + 108
8   System.Runtime.Tests.r2r.dylib	       0x157f48b5c xunit_execution_dotnet_Xunit_Sdk_TestCollectionRunner_1__RunAsync_d__27<System___Canon>__MoveNext + 1084
9   libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
10  libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
11  libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
12  libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
13  libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
14  System.Runtime.Tests.r2r.dylib	       0x15854f6f0 S_P_CoreLib_System_Runtime_CompilerServices_AsyncMethodBuilderCore__Start<xunit_execution_dotnet_Xunit_Sdk_TestCollectionRunner_1__RunAsync_d__27<System___Canon>> + 128
15  System.Runtime.Tests.r2r.dylib	       0x157f422c8 xunit_execution_dotnet_Xunit_Sdk_TestCollectionRunner_1<System___Canon>__RunAsync + 104
16  System.Runtime.Tests.r2r.dylib	       0x156b76dd4 xunit_execution_dotnet_Xunit_Sdk_XunitTestAssemblyRunner__RunTestCollectionAsync_d__18__MoveNext + 804
17  System.Runtime.Tests.r2r.dylib	       0x15846ef28 S_P_CoreLib_System_Runtime_CompilerServices_AsyncMethodBuilderCore__Start<xunit_execution_dotnet_Xunit_Sdk_XunitTestAssemblyRunner__RunTestCollectionAsync_d__18> + 104
18  System.Runtime.Tests.r2r.dylib	       0x156b50fd8 xunit_execution_dotnet_Xunit_Sdk_XunitTestAssemblyRunner__RunTestCollectionAsync + 72
19  System.Runtime.Tests.r2r.dylib	       0x157f463b0 xunit_execution_dotnet_Xunit_Sdk_TestAssemblyRunner_1__RunTestCollectionsAsync_d__42<System___Canon>__MoveNext + 416
20  libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
21  libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
22  libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
23  libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
24  libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
420 libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
421 libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
422 libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
423 libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
424 libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
425 libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
426 libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
427 libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
428 libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
429 libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
430 System.Runtime.Tests.r2r.dylib	       0x15593aa28 S_P_CoreLib_System_Threading_ExecutionContext__RunInternal + 136
431 libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
432 libcoreclr.dylib              	       0x100f4c2c0 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 15748
433 libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
434 libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
435 System.Runtime.Tests.r2r.dylib	       0x156b754dc xunit_execution_dotnet_Xunit_Sdk_AsyncTestSyncContext___c__DisplayClass7_0___Post_b__0 + 28
436 System.Runtime.Tests.r2r.dylib	       0x156b806c0 xunit_execution_dotnet_Xunit_Sdk_XunitWorkerThread___c___QueueUserWorkItem_b__5_0 + 48
437 System.Runtime.Tests.r2r.dylib	       0x15593aa28 S_P_CoreLib_System_Threading_ExecutionContext__RunInternal + 136
438 System.Runtime.Tests.r2r.dylib	       0x155966ab4 S_P_CoreLib_System_Threading_Tasks_Task__ExecuteWithThreadLocal + 228
439 System.Runtime.Tests.r2r.dylib	       0x15592f878 S_P_CoreLib_System_Threading_Thread__StartCallback + 232
440 libcoreclr.dylib              	       0x101077e3c CallDescrWorkerInternal + 132
441 libcoreclr.dylib              	       0x100ef5db8 DispatchCallSimple(unsigned long*, unsigned int, unsigned long, unsigned int) + 232
442 libcoreclr.dylib              	       0x100f0e114 KickOffThread_Worker(void*) + 144
443 libcoreclr.dylib              	       0x100ec9380 ManagedThreadBase::KickOff(void (*)(void*), void*) + 208
444 libcoreclr.dylib              	       0x100f0c318 KickOffThread(void*) + 188
445 libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
446 libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
447 libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 8:

Thread 9:
0   libsystem_kernel.dylib        	       0x1ac60af34 __psynch_cvwait + 8
1   libsystem_pthread.dylib       	       0x1aab5c4a4 _pthread_cond_wait + 1040
2   libSystem.Native.dylib        	       0x1003c90b8 SystemNative_LowLevelMonitor_TimedWait + 104
3   System.Runtime.Tests.r2r.dylib	       0x15595f508 S_P_CoreLib_System_Threading_WaitSubsystem_ThreadWaitInfo__Wait + 408
4   System.Runtime.Tests.r2r.dylib	       0x15595d5a4 S_P_CoreLib_System_Threading_WaitSubsystem__Wait + 148
5   System.Runtime.Tests.r2r.dylib	       0x15595b4b0 S_P_CoreLib_System_Threading_LowLevelLifoSemaphore__WaitForSignal + 320
6   System.Runtime.Tests.r2r.dylib	       0x15595a608 S_P_CoreLib_System_Threading_PortableThreadPool_WorkerThread__WorkerThreadStart + 248
7   libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
8   libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
9   libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
10  libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
11  libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
12  System.Runtime.Tests.r2r.dylib	       0x15592f888 S_P_CoreLib_System_Threading_Thread__StartCallback + 248
13  libcoreclr.dylib              	       0x101077e3c CallDescrWorkerInternal + 132
14  libcoreclr.dylib              	       0x100ef5db8 DispatchCallSimple(unsigned long*, unsigned int, unsigned long, unsigned int) + 232
15  libcoreclr.dylib              	       0x100f0e114 KickOffThread_Worker(void*) + 144
16  libcoreclr.dylib              	       0x100ec9380 ManagedThreadBase::KickOff(void (*)(void*), void*) + 208
17  libcoreclr.dylib              	       0x100f0c318 KickOffThread(void*) + 188
18  libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
19  libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
20  libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8

Thread 10 Crashed:
0   libcoreclr.dylib              	       0x100e35c30 StackTraceInfo::AppendElementImpl(Object*, unsigned long, unsigned long, MethodDesc*, CrawlFrame*, Thread*, int) + 516
1   libcoreclr.dylib              	       0x100e228d0 AsyncHelpers_AddContinuationToExInternal + 220
2   System.Runtime.Tests.r2r.dylib	       0x1574e6af4 S_P_CoreLib_System_Runtime_CompilerServices_AsyncHelpers_RuntimeAsyncTask_1<S_P_CoreLib_System_Threading_Tasks_VoidTaskResult>__UnwindToPossibleHandler + 148
3   System.Runtime.Tests.r2r.dylib	       0x1574e6934 S_P_CoreLib_System_Runtime_CompilerServices_AsyncHelpers_RuntimeAsyncTask_1<S_P_CoreLib_System_Threading_Tasks_VoidTaskResult>__DispatchContinuations + 788
4   System.Runtime.Tests.r2r.dylib	       0x15594aaa4 S_P_CoreLib_System_Threading_ThreadPoolWorkQueue__Dispatch + 500
5   System.Runtime.Tests.r2r.dylib	       0x15595a7b4 S_P_CoreLib_System_Threading_PortableThreadPool_WorkerThread__WorkerDoWork + 132
6   System.Runtime.Tests.r2r.dylib	       0x15595a5f0 S_P_CoreLib_System_Threading_PortableThreadPool_WorkerThread__WorkerThreadStart + 224
7   libcoreclr.dylib              	       0x101077360 CallJittedMethodRetVoid + 36
8   libcoreclr.dylib              	       0x100f47b98 InvokeCalliStub(CalliStubParam*) + 164
9   libcoreclr.dylib              	       0x100f4b9a8 InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*) + 13420
10  libcoreclr.dylib              	       0x100ea8580 ExecuteInterpretedMethod + 392
11  libcoreclr.dylib              	       0x1010760b4 InterpreterStubRetVoid + 20
12  System.Runtime.Tests.r2r.dylib	       0x15592f888 S_P_CoreLib_System_Threading_Thread__StartCallback + 248
13  libcoreclr.dylib              	       0x101077e3c CallDescrWorkerInternal + 132
14  libcoreclr.dylib              	       0x100ef5db8 DispatchCallSimple(unsigned long*, unsigned int, unsigned long, unsigned int) + 232
15  libcoreclr.dylib              	       0x100f0e114 KickOffThread_Worker(void*) + 144
16  libcoreclr.dylib              	       0x100ec9380 ManagedThreadBase::KickOff(void (*)(void*), void*) + 208
17  libcoreclr.dylib              	       0x100f0c318 KickOffThread(void*) + 188
18  libcoreclr.dylib              	       0x1010b3f54 CorUnix::CPalThread::ThreadEntry(void*) + 364
19  libsystem_pthread.dylib       	       0x1aab5cf8c _pthread_start + 104
20  libsystem_pthread.dylib       	       0x1aab5b834 thread_start + 8


Thread 10 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000004   x1: 0x0000000127ca1238   x2: 0x0000000000000000   x3: 0x0000000127ca12c0
    x4: 0xffffffffffffff58   x5: 0x0000000000000010   x6: 0x0000000000000000   x7: 0x00000001703f7618
    x8: 0x0000000127ca1274   x9: 0x0000000000000010  x10: 0x0000000000000010  x11: 0x0000000000000002
   x12: 0x00000001574e6708  x13: 0x00000001703f9dc0  x14: 0x0000000142d2b9e0  x15: 0x0000000000000002
   x16: 0x00000000000000e8  x17: 0x000000014a547b60  x18: 0x0000000000000000  x19: 0x0000000000000000
   x20: 0x0000000000000000  x21: 0x00000001703f7480  x22: 0x0000000127ca1058  x23: 0x00000001703f7480
   x24: 0x0000000000000000  x25: 0x0000000000000000  x26: 0x0000000000000121  x27: 0x000000014a700000
   x28: 0x000000014a700020   fp: 0x00000001703f7530   lr: 0x0000000100e35bd0
    sp: 0x00000001703f7420   pc: 0x0000000100e35c30 cpsr: 0x60000000
   far: 0x0000000000000006  esr: 0x92000005 (Data Abort) byte read Translation fault

Binary Images:
       0x100378000 -        0x100387fff System.Runtime.Tests arm64  <3998a3f7b6fe3e859a884ed0bf83cc14> /var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/System.Runtime.Tests
       0x100c94000 -        0x101143fff libcoreclr.dylib arm64  <27ddfebad90d3bd3bb16af7875642b98> /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/libcoreclr.dylib
       0x1003bc000 -        0x1003cbfff libSystem.Native.dylib arm64  <30dfba4ce50733a8ac9f2abdcbcdab26> /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/libSystem.Native.dylib
       0x100640000 -        0x10078bfff libSystem.IO.Compression.Native.dylib arm64  <62aacdbce06138f5be98224cab7c6b41> /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/libSystem.IO.Compression.Native.dylib
       0x1003e0000 -        0x1003ebfff libSystem.Globalization.Native.dylib arm64  <abcda6ac8d5f338f9054cc548ad2e587> /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/libSystem.Globalization.Native.dylib
       0x100434000 -        0x10044bfff libSystem.Security.Cryptography.Native.Apple.dylib arm64  <d81c03c3b23737c2a3310050b5a4f853> /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/libSystem.Security.Cryptography.Native.Apple.dylib
       0x1004e0000 -        0x1004ebfff libobjc-trampolines.dylib arm64  <17821759a8463745a9f2b3bdf1ad8de3> /usr/lib/libobjc-trampolines.dylib
       0x154e9c000 -        0x158d9bfff System.Runtime.Tests.r2r.dylib arm64  <a49ada4fda1e3533b718bc22e2f10f40> /private/var/containers/Bundle/Application/21A0EE86-DCDD-4647-A0DD-4A6A95FF05F3/System.Runtime.Tests.app/System.Runtime.Tests.r2r.dylib
       0x1ac60a000 -        0x1ac640f33 libsystem_kernel.dylib arm64  <e6961759efa13c8f9c506cc5380d2fb8> /usr/lib/system/libsystem_kernel.dylib
       0x18ad81000 -        0x18b2ed03f CoreFoundation arm64  <cbc4d756211b38ddb13acd4ca4d15ab4> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
       0x1cf038000 -        0x1cf04005f GraphicsServices arm64  <2dbb26d48df832ccb764557d98b9c3c7> /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices
       0x196614000 -        0x1983ed9df UIKitCore arm64  <a339d38a9dc5387097dcce0138865f2c> /System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore
       0x189ac7000 -        0x189b43a83 dyld arm64  <378b84f9b7e137168714d9b814ccfa2b> /usr/lib/dyld
               0x0 - 0xffffffffffffffff ??? unknown-arch  <00000000000000000000000000000000> ???
       0x1aab5b000 -        0x1aab6654b libsystem_pthread.dylib arm64  <96b5ed60fb5d32029560a1cc1d85dcf3> /usr/lib/system/libsystem_pthread.dylib
       0x19ff1c000 -        0x19ff5dabf libdispatch.dylib arm64  <9c06acb8be2636ef91b28749452a3778> /usr/lib/system/libdispatch.dylib
       0x189b44000 -        0x18a8c4c1f Foundation arm64  <7e696d3f7e273f3ba26f3e53fd01ba58> /System/Library/Frameworks/Foundation.framework/Foundation

EOF

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[rcj1]

This appears to be caused by a bad DiagnosticIP in the interpreter. For example when I run

public static class Program
{
    public static async Task Main(string[] args)
    {
        try
        {
            await Helper1();
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Exception caught in Main: {ex}");
        }
    }

    static async Task Helper1()
    {
        await Task.Delay(100);
        throw new Exception("Exception from Helper1");
    }
}

with runtime-async enabled and interpreter enabled, we assert on an invalid CodeInfo in AsyncHelpers_AddContinuationToExInternal with argument diagnosticIP = 0x0000015b3c7d7624.

[janvorli]

I can repro this failure on macOS arm64 in the System.Text.Json.Tests suite when running fully interpreted (DOTNET_InterpMode=3). The AsyncHelpers_AddContinuationToExInternal method gets diagnosticIP that is clearly pointing to interpreted code, but the CodeInfo doesn't recognize it as managed code. And neither does SOS ip2md.

I wonder if the code that the diagnosticIP is pointing to got already unloaded. That could explain this.