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Fixed in 2020.3.41f1, 2021.3.12f1, 2022.1.23f1, 2022.2.0b11, 2023.1.0a15



Found in






Issue ID




[Android] SByte type is considered to be not primitive when compiling IL2CPP code



How to reproduce:
1. Open the user’s attached “Buffer.BlockCopy Bug” project
2. Build and Run the “SampleScene” Scene on Android
3. Observe the Player

Expected result: “Block copy successful” is printed out
Actual result: ArgumentException is thrown

Reproducible with: 2020.3.39f1, 2021.3.9f1, 2022.1.15f1, 2022.2.0b6, 2023.1.0a9

Reproduced on: macOS 12.5 (Intel)

Reproducible with devices:
VLNQA00472 - Samsung Galaxy A52 (SM-A525F), CPU: Snapdragon 720G (SM7125), GPU: Adreno 618, OS: 12
VLNQA00414 - Galaxy Note10+ 5G (SM-N976V), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 9
VLNQA00409 - Galaxy Z Fold3 5G (SM-F926B), CPU: Snapdragon 888, GPU: Adreno 660, OS: 11
VLNQA00331 - HUAWEI P20 lite (ANE-LX1), CPU: HiSilicon Kirin 659, GPU: Mali-T830, OS: 9
VLNQA00268 - Samsung Galaxy S10+ (SM-G975F), CPU: Exynos 9 9820, GPU: Mali-G76, OS: 10.0.0

Thrown error message:
ArgumentException: Object must be an array of primitives.
at System.Buffer.ByteLength (System.Array array) \[0x00000] in <00000000000000000000000000000000>:0
at System.Buffer.BlockCopy (System.Array src, System.Int32 srcOffset, System.Array dst, System.Int32 dstOffset, System.Int32 count) \[0x00000] in <00000000000000000000000000000000>:0
at BufferBlockCopyIssue.Start () \[0x00000] in <00000000000000000000000000000000>:0

  1. Resolution Note (fix version 2023.1.0a15):

    Fixed in 2023.1.0a15

  2. Resolution Note (fix version 2022.2.0b11):

    Fixed in 2022.2.0b11

  3. Resolution Note (fix version 2022.1.23f1):

    Fixed in 2022.1.23f1

  4. Resolution Note (fix version 2021.3.12f1):

    Fixed in 2021.3.12f1

  5. Resolution Note (fix version 2020.3.41f1):

    Fixed in 2020.3.41f1

Comments (3)

  1. johnluxford

    Oct 06, 2022 16:29

    Just ran into this as well after upgrading from 2020.3.36f1 to 2020.3.40f1 which we did to use Process-for-IL2CPP due to the lack of Process support in the IL2CPP compiler. Unfortunately for us, this could have a big impact on an upcoming product launch.

  2. smoothics

    Oct 01, 2022 19:04

    It's also in 2021.3.11f1.

  3. Radiogaga84

    Sep 07, 2022 12:33

    I experienced this issue in 2021.3.9f1

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