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Fixed in 2022.2.X

Fixed in 2021.2.X, 2022.1.X

Votes

3

Found in

2021.2

2021.2.0b10

2022.1

Issue ID

1365974

Regression

No

Interface default implementation crash when passing class as a generic parameter

Mono

-

How to reproduce:
1. Open the project "InterfaceDefaultMethods.zip"
2. Open "SampleScene" Scene (Assets>Scenes>SampleScene)
3. Enter the Play Mode

Expected result: No crash
Actual result: Crash

Reproducible with: 2021.2.0b12, 2022.1.0a9
Could not test with: 2019.4.30f1, 2020.3.18f1, 2021.1.22f1 (Errors)

Notes:
-Change InputData from a class to a struct in the script "NewBehaviourScript.cs" 45th line, then no crash

Stack trace:
0x00007FF958FE4F99 (KERNELBASE) RaiseException
0x00007FF8E012AF71 (mono-2.0-bdwgc) [C:\build\output\Unity-Technologies\mono\mono\utils\mono-log-common.c:143] mono_log_write_logfile
0x00007FF8E0116D29 (mono-2.0-bdwgc) [C:\build\output\Unity-Technologies\mono\mono\eglib\goutput.c:172] monoeg_g_logv_nofree
0x00007FF8E0116E0C (mono-2.0-bdwgc) [C:\build\output\Unity-Technologies\mono\mono\eglib\goutput.c:215] monoeg_assertion_message

  1. Resolution Note (fix version 2022.2):

    Fixed in: 2022.2.0a9

  2. Resolution Note (fix version 2022.1):

    Fixed in: 2022.1.0b14

  3. Resolution Note (fix version 2021.2):

    Fixed in: 2021.2.17f1

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Comments (2)

  1. GamerXP

    Apr 18, 2023 05:52

    Is that really fixed? I get crashes (or calls of wrong methods) in 2021.3.19f

  2. Cathei

    Apr 10, 2022 21:22

    This is still reproducible on Apple silicon mac.
    - 2021.2.19f1 (silicon build)
    - 2021.2.17f1 (intel build)

    It only happens when number of generic arguments of parent interface is less than implementing child interface.

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