[JitStressRegs=4] System.Threading.Tasks.Parallel.Tests fails with System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest33 [FAIL]

[sejongoh]

Configuration
Debug CoreCLR runtime: coreclr.dll, corerun.exe and mscorlib.dll
CoreFX assemblies and CoreFX tests: release

Command line and stack trace

corefx/bin/tests/Linux.AnyCPU.Release/System.Threading.Tasks.Parallel.Tests/dnxcore50$ ./corerun xunit.console.netcore.exe System.Threading.Tasks.Parallel.Tests.dll -xml testResults.xml -notrait category=failing -notrait category=OuterLoop -notrait category=nonlinuxtests -notrait Benchmark=true
xUnit.net console test runner (64-bit .NET Core)
Copyright (C) 2014 Outercurve Foundation.

Discovering: System.Threading.Tasks.Parallel.Tests
Discovered: System.Threading.Tasks.Parallel.Tests
Starting: System.Threading.Tasks.Parallel.Tests
System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest33 [FAIL]
System.AggregateException : One or more errors occurred.
---- System.NullReferenceException : Object reference not set to an instance of an object.
---- System.NullReferenceException : Object reference not set to an instance of an object.
Stack Trace:
at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction1 action, ParallelOptions options, Boolean stopOnFirstFailure) at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
--- End of stack trace from previous location where exception was thrown ---
at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEach[TSource,TLocal](IEnumerable1 source, Func1 localInit, Func5 body, Action1 localFinally) at System.Threading.Tasks.Tests.ParallelForTest.ParallelForeachWithLocalAndIndex() at System.Threading.Tasks.Tests.ParallelForTest.RealRun() at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest33() ----- Inner Stack Trace dotnet/coreclr#1 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#2 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest35 [FAIL] System.NullReferenceException : Object reference not set to an instance of an object. Stack Trace: at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally)
at System.Threading.Tasks.Parallel.ForEach[TSource](IEnumerable1 source, Action1 body)
at System.Threading.Tasks.Tests.ParallelForTest.ParallelForEach()
at System.Threading.Tasks.Tests.ParallelForTest.RealRun()
at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest35()
System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest25 [FAIL]
System.AggregateException : One or more errors occurred.
---- System.NullReferenceException : Object reference not set to an instance of an object.
---- System.NullReferenceException : Object reference not set to an instance of an object.
Stack Trace:
at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction1 action, ParallelOptions options, Boolean stopOnFirstFailure) at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
--- End of stack trace from previous location where exception was thrown ---
at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEach[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Func1 localInit, Func5 body, Action1 localFinally) at System.Threading.Tasks.Tests.ParallelForTest.ParallelForEachWithOptionsAndLocalAndIndex() at System.Threading.Tasks.Tests.ParallelForTest.RealRun() at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest25() ----- Inner Stack Trace dotnet/coreclr#1 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#2 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest31 [FAIL] System.AggregateException : One or more errors occurred. ---- System.NullReferenceException : Object reference not set to an instance of an object. Stack Trace: at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction1 action, ParallelOptions options, Boolean stopOnFirstFailure)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally) --- End of stack trace from previous location where exception was thrown --- at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException) at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally)
at System.Threading.Tasks.Parallel.ForEach[TSource,TLocal](IEnumerable1 source, Func1 localInit, Func5 body, Action1 localFinally)
at System.Threading.Tasks.Tests.ParallelForTest.ParallelForeachWithLocalAndIndex()
at System.Threading.Tasks.Tests.ParallelForTest.RealRun()
at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest31()
----- Inner Stack Trace -----
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest46 [FAIL]
System.AggregateException : One or more errors occurred.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
---- System.IndexOutOfRangeException : Index was outside the bounds of the array.
Stack Trace:
at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction1 action, ParallelOptions options, Boolean stopOnFirstFailure) at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
--- End of stack trace from previous location where exception was thrown ---
at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEach[TSource,TLocal](IEnumerable1 source, Func1 localInit, Func4 body, Action1 localFinally) at System.Threading.Tasks.Tests.ParallelForTest.ParallelForeachWithLocal() at System.Threading.Tasks.Tests.ParallelForTest.RealRun() at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest46() ----- Inner Stack Trace dotnet/coreclr#1 (System.IndexOutOfRangeException) ----- at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i) at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue)
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
----- Inner Stack Trace dotnet/coreclr#2 (System.IndexOutOfRangeException) -----
at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i)
at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue) at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#3 (System.IndexOutOfRangeException) ----- at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i) at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue)
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
----- Inner Stack Trace dotnet/coreclr#4 (System.IndexOutOfRangeException) -----
at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i)
at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue) at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#5 (System.IndexOutOfRangeException) ----- at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i) at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue)
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
----- Inner Stack Trace dotnet/coreclr#6 (System.IndexOutOfRangeException) -----
at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i)
at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue) at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#7 (System.IndexOutOfRangeException) ----- at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i) at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue)
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
----- Inner Stack Trace dotnet/coreclr#8 (System.IndexOutOfRangeException) -----
at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i)
at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue) at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#9 (System.IndexOutOfRangeException) ----- at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i) at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue)
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest22 [FAIL]
System.AggregateException : One or more errors occurred.
---- System.NullReferenceException : Object reference not set to an instance of an object.
---- System.NullReferenceException : Object reference not set to an instance of an object.
---- System.NullReferenceException : Object reference not set to an instance of an object.
---- System.NullReferenceException : Object reference not set to an instance of an object.
---- System.NullReferenceException : Object reference not set to an instance of an object.
Stack Trace:
at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction1 action, ParallelOptions options, Boolean stopOnFirstFailure) at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
--- End of stack trace from previous location where exception was thrown ---
at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally) at System.Threading.Tasks.Parallel.ForEach[TSource,TLocal](IEnumerable1 source, Func1 localInit, Func5 body, Action1 localFinally) at System.Threading.Tasks.Tests.ParallelForTest.ParallelForeachWithLocalAndIndex() at System.Threading.Tasks.Tests.ParallelForTest.RealRun() at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest22() ----- Inner Stack Trace dotnet/coreclr#1 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#2 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#3 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#4 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#5 (System.NullReferenceException) ----- at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest43 [FAIL] System.AggregateException : One or more errors occurred. ---- System.IndexOutOfRangeException : Index was outside the bounds of the array. ---- System.IndexOutOfRangeException : Index was outside the bounds of the array. Stack Trace: at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction1 action, ParallelOptions options, Boolean stopOnFirstFailure)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally) --- End of stack trace from previous location where exception was thrown --- at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException) at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Func4 bodyWithLocal, Func1 localInit, Action1 localFinally)
at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable1 source, ParallelOptions parallelOptions, Action1 body, Action2 bodyWithState, Action3 bodyWithStateAndIndex, Func4 bodyWithStateAndLocal, Func5 bodyWithEverything, Func1 localInit, Action1 localFinally)
at System.Threading.Tasks.Parallel.ForEach[TSource,TLocal](IEnumerable1 source, Func1 localInit, Func4 body, Action1 localFinally)
at System.Threading.Tasks.Tests.ParallelForTest.ParallelForeachWithLocal()
at System.Threading.Tasks.Tests.ParallelForTest.RealRun()
at System.Threading.Tasks.Tests.ParallelForUnitTests.ParallelForTest43()
----- Inner Stack Trace dotnet/coreclr#1 (System.IndexOutOfRangeException) -----
at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i)
at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue) at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) at System.Threading.Tasks.TaskReplicator.Replica.Execute() ----- Inner Stack Trace dotnet/coreclr#2 (System.IndexOutOfRangeException) ----- at System.Threading.Tasks.Tests.ParallelForTest.InvokeZetaWorkload(Int32 i) at System.Threading.Tasks.Tests.ParallelForTest.WorkWithLocal(Int32 i, ParallelLoopState state, List1 threadLocalValue)
at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.<ForWorker>b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Threading.Tasks.Parallel.<>c__DisplayClass19_01.b__1(RangeWorker& currentWorker, Int32 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
at System.Threading.Tasks.TaskReplicator.Replica.Execute()
Segmentation fault (core dumped)

[htyu]

Not repro.

[sejongoh]

I can reproduce this with the following commits.

Coreclr: 761fa46 (Wed Jan 13 18:15:58 2016 -0500)
Corefx: 0824d97 (Tue Jan 12 14:49:52 2016 -0800)

I sometimes see different errors:

corefx/bin/tests/Linux.AnyCPU.Release/System.Threading.Tasks.Parallel.Tests/dnxcore50$ 
COMPlus_JitStressRegs=4 ./corerun xunit.console.netcore.exe System.Threading.Tasks.Parallel.Tests.dll -xml testResults.xml -notrait category=failing -notrait category=OuterLoop -notrait category=nonlinuxtests -notrait Benchmark=true

xUnit.net console test runner (64-bit .NET Core)
Copyright (C) 2014 Outercurve Foundation.

Discovering: System.Threading.Tasks.Parallel.Tests
Bus error (core dumped)

COMPlus_JitStressRegs=4 ./corerun xunit.console.netcore.exe System.Threading.Tasks.Parallel.Tests.dll -xml testResults.xml -notrait category=failing -notrait category=OuterLoop -notrait category=nonlinuxtests -notrait Benchmark=true
xUnit.net console test runner (64-bit .NET Core)
Copyright (C) 2014 Outercurve Foundation.

Discovering: System.Threading.Tasks.Parallel.Tests
Discovered:  System.Threading.Tasks.Parallel.Tests
Starting:    System.Threading.Tasks.Parallel.Tests
   System.Threading.Tasks.Tests.ParallelForTests.TestParallelForEachConversions [FAIL]
      Assert.Equal() Failure
      Expected: 0
      Actual:   45
      Stack Trace:
            at System.Threading.Tasks.Tests.ParallelForTests.TestParallelForEachConversions()
Finished:    System.Threading.Tasks.Parallel.Tests

[sejongoh]

This issue looks a duplicate of #4810.