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Votes

0

Found in

2021.3.37f1

2022.3.26f1

6000.0.0f1

7000.0.0a1

Issue ID

UUM-71817

Regression

No

[Android] Player crashes when using IL2CPP Scripting Backend and accesing memory through a long pointer

--

-

How to reproduce:
1. Open the “IN_75766” project
2. Open the “SampleScene”
3. In the Build Settings change Build Target to Android and add open scenes
4. In the “Run Device” dropdown, select the desired device
5. Press Build And Run

Expected result: Player doesn’t crash
Actual result: Player crashes

Reproducible with: 2021.3.37f1, 2022.3.26f1, 6000.0.0f1

Testing environment: Windows 10 Pro
Not reproducible on: No other environment tested

Reproducible on these devices:
VLNQA00178, Xiaomi Redmi Note 4 (Redmi Note 4), Android 6.0, CPU: MediaTek Helio X20 MT6797M, GPU: Mali-T880
VLNQA00267, Samsung Galaxy S10+ (SM-G975F), Android 12, CPU: Exynos 9 (9820), GPU: Mali-G76
VLNQA00521, Samsung Galaxy S22 Ultra (SM-S908U), Android 12, CPU: Snapdragon 8 Gen 1 (SM8450), GPU: Adreno (TM) 730

Not reproducible on these devices:
VLNQA00357 iPhone 12 Mini

Notes:
- Not reproducible on Mono Scripting Backend
- Not reproducible on Windows Standalone Platform
- Not reproducible on macOS Standalone Platform (user mentioned)
- Not reproducible on iOS Platform

First lines of a Stack Trace:

{noformat}#00 pc 00ac8c74 /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libil2cpp.so (BuildId: 7121980b197d8e8f61b203a0f19d77fd070613da)
#01 pc 00ac87a0 /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libil2cpp.so (BuildId: 7121980b197d8e8f61b203a0f19d77fd070613da)
#02 pc 00c911fc /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libil2cpp.so (BuildId: 7121980b197d8e8f61b203a0f19d77fd070613da)
#03 pc 00c9113c /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libil2cpp.so (BuildId: 7121980b197d8e8f61b203a0f19d77fd070613da)
#04 pc 0037a93d /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libunity.so (scripting_method_invoke(ScriptingMethodPtr, ScriptingObjectPtr, ScriptingArguments&, ScriptingExceptionPtr*, bool)+92) (BuildId: 842079f9703120e5)
#05 pc 00387583 /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libunity.so (ScriptingInvocation::Invoke(ScriptingExceptionPtr*, bool)+94) (BuildId: 842079f9703120e5)
#06 pc 00392a8b /data/app/~~rAKv2XAcYXsWAmIxKAR85g==/com.DefaultCompany.LongPtrIL2CPPCrash-Bh7l4D0IxyVvDV9xTn6NYg==/lib/arm/libunity.so (MonoBehaviour::InvokeMethodOrCoroutineChecked(ScriptingMethodPtr, ScriptingObjectPtr, ScriptingExceptionPtr*)+1606) (BuildId: 842079f9703120e5){noformat}

  1. Resolution Note:

    The fact that it's working on some scripting backend/CPU combinations doesn't prove anything. It's just wrong trying to access non-aligned memory.

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