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Fixed in 2018.3.X

Fixed in 2017.4.X, 2018.1.X, 2018.2.X



Found in


Issue ID




Editor crashes when loading scene bundle from memory stream or file stream

Asset Bundles


Reproduction steps:
1. Download "" project and open in Unity
2. Open "default" scene
3. Enter Play mode

Expected: Unity should not crash
Actual: Unity crashes without a Bug Report

Reproduced on: 2017.2.0a1; 2017.2.2p3; 2017.4.1f1; 2018.1.0f1; 2018.2.0a9

In Editor.log - "Cancelling DisplayDialog because it was run from a thread that is not the main thread: Fatal Error! Size overflow in allocator."
AssetBundle.LoadFromStream was implemented from 2017.2

Fixed on: 2018.2.0b11; 2018.3.0a4

Comments (2)

  1. Crawdad

    Feb 02, 2022 19:05

    This has not been fixed. I get this error in my project running 2021.2.9f1

  2. liu_youde

    Jun 02, 2018 11:52

    When will this issue be fix?

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