Search Issue Tracker


Under Consideration for 1.6.X



Found in [Package]


Issue ID




Crash on UnityEngine.InputSystem.Utilities.MemoryHelpers:ReadSingleBit when running Test Runner tests a few times when there are null reference exceptions

Package: Input System


Reproduction steps:
1. Open the attached project “TestCrash”
2. In the Test Runner Window press Run All
3. Repeat 2nd step until the Editor crashes (usually takes about 3 times)

Expected result: Tests are executed
Actual result: Editor crashes

Reproducible with: 1.5.0 (2023.2.0a8), 1.6.3 (2021.3.29f1, 2022.3.7f1, 2023.1.8f1, 2023.2.0b4)

Reproducible on: MacOS Ventura 13.1 (M1 Max and Intel)
Not reproducible on: Windows 10

First lines of stack trace:
#0 0x000002fd12d9c4 in UnityEngine.InputSystem.Utilities.MemoryHelpers:ReadSingleBit (void*,uint) [


+ 0x144] [./Library/PackageCache/com.unity.inputsystem@1.4.4/InputSystem/Utilities/MemoryHelpers.cs :: 70u] (0x2fd12d880 0x2fd12da44) [0x12d782a80 - Unity Child Domain]
#1 0x000002fd12c3fc in UnityEngine.InputSystem.LowLevel.InputStateBlock:ReadFloat (void*) [


+ 0x474] [./Library/PackageCache/com.unity.inputsystem@1.4.4/InputSystem/State/InputStateBlock.cs :: 362u] (0x2fd12bf88 0x2fd12d3ac) [0x12d782a80 - Unity Child Domain]
#2 0x000002fd12be00 in UnityEngine.InputSystem.Controls.AxisControl:ReadUnprocessedValueFromState (void*) [


+ 0x138] [./Library/PackageCache/com.unity.inputsystem@1.4.4/InputSystem/Controls/AxisControl.cs :: 237u] (0x2fd12bcc8 0x2fd12bed4) [0x12d782a80 - Unity Child Domain]
#3 0x000002fd12bbb0 in UnityEngine.InputSystem.InputControl{{1<single>:ReadValueFromState (void*) [


+ 0x190] [./Library/PackageCache/com.unity.inputsystem@1.4.4/InputSystem/Controls/InputControl.cs :: 1047u] (0x2fd12ba20 0x2fd12bc44) [0x12d782a80 - Unity Child Domain] #4 0x000002fd12b94c in UnityEngine.InputSystem.InputControl}}1<single>:ReadValue () [


+ 0x10c] [./Library/PackageCache/com.unity.inputsystem@1.4.4/InputSystem/Controls/InputControl.cs :: 1009u] (0x2fd12b840 0x2fd12b9bc) [0x12d782a80 - Unity Child Domain]

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.