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Fixed

Fixed in 2022.3.29f1, 2023.2.20f1, 6000.0.2f1, 7000.0.0a1

Votes

0

Found in

2022.3.21f1

2023.2.20f1

6000.0.0b16

7000.0.0a1

Issue ID

UUM-67247

Regression

Yes

Crash on SystemNative_FcntlSetCloseOnExec when creating a new 3D project

-

Reproduction steps:
1. Create a new 3D project
or
1. Create a new 3D project
2. Open “Assets/Scenes/SampleScene.unity” scene
3. Reload scene

Expected results: Project is created and opened, or the scene is reloaded without any issues
Actual results: Editor crashed

Reproduced with: 2022.3.4f1, 2022.3.21f1
Not reproduced with: There were no other bug reports with other Unity Editor versions

Reproduced on: SteamOS, macOS 14.1.1 (M1), macOS 13.4 (M1 Pro), EndeavourOS
Not reproduced on: There were no other bug reports with other environments

First lines of the stack trace:
#5 0x007face6c37697 in __assert_fail
#6 0x007fab87c45478 in SystemNative_FcntlSetCloseOnExec
#7 0x00000041ba1bb8 in (wrapper managed-to-native) Interop/Sys/Fcntl:SetCloseOnExec (System.Runtime.InteropServices.SafeHandle)
#8 0x00000041ba198b in System.IO.Pipes.PipeStream:ConfigureSocket (System.Net.Sockets.Socket,Microsoft.Win32.SafeHandles.SafePipeHandle,System.IO.Pipes.PipeDirection,int,int,System.IO.HandleInheritability)
#9 0x00000041b9c7a3 in System.IO.Pipes.NamedPipeServerStream:HandleAcceptedSocket (System.Net.Sockets.Socket)
#10 0x00000041b8e2d7 in System.IO.Pipes.NamedPipeServerStream/<<WaitForConnectionAsync>g__WaitForConnectionAsyncCore|8_0>d:MoveNext ()

Notes:

* Crash is usually preceded by these logs:
Require frontend run. Library/Bee/2400b0aE.dag couldn't be loaded
Unity: /home/bokken/build/output/Unity-Technologies/mono/external/corefx/src/Native/Unix/Common/pal_utilities.h:159: int ToFileDescriptor(intptr_t): Assertion `0 <= fd && fd < sysconf(_SC_OPEN_MAX)' failed.
* CQA Couldn’t reproduce this crash.

  1. Resolution Note (fix version 6000.0.2f1):

    Made error message more descriptive when Unity process has exceeded the operating system's maximum number of concurrent file descriptors in use.

  2. Resolution Note (fix version 2023.2.20f1):

    Made error message more descriptive when Unity process has exceeded the operating system's maximum number of concurrent file descriptors in use.

  3. Resolution Note (fix version 2022.3.29f1):

    Made error message more descriptive when Unity process has exceeded the operating system's maximum number of concurrent file descriptors in use.

Comments (1)

  1. a14282144

    May 05, 2025 15:10

    ShadowEscape

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