Reproduction steps:

1. Open the attached project
2. Open the “/Assets/Scenes/SingleRobot.unity” Scene
3. Enter the Play Mode
4. Observe the Console

Expected result: No errors in the Console
Actual result: “Invalid allocation label passed to UnsafeUtility::Free” errors are present in the Console

Reproducible with: 1.6.6, 1.7.3, 1.8.0-pre.2 (2021.3.6f1, 2021.3.8f1)
Not reproducible with: 1.6.6, 1.7.3, 1.8.0-pre.2 (2020.3.39f1)
Couldn’t test with: 2021.1.28f1, 2021.2.19f1, 2021.3.5f1, 2022.1.14f1, 2022.2.0b6, 2023.1.0a8 (couldn’t upgrade due to Entities package errors)

Reproducible on: M1 MacOS 12.4 (21F79)

Notes:

• This issue is reproducible on both Apple Silicon and Intel Editors on M1 Mac
• The error goes away when you comment the line 175 in "Packages/com.unity.ai.planner/Runtime/Planner/Jobs/BackpropagationJob.cs"