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In Progress
Under Consideration for 6000.0.X
Fix In Review for 6000.1.X
Votes
0
Found in
6000.0.0b15
6000.0.21f1
6000.1.0a3
Issue ID
UUM-83271
Regression
Yes
Crash on tlsf_free when changing between scenes after entering Play mode
Reproduction steps:
1. Open the attached project "Repro"
2. Open scene "Scenes/Main Menu"
3. Enter Play mode
4. Without exiting Play mode, switch to the "Lobby" scene
5. Quickly switch back to the "Main Menu" scene again
Expected result: The Editor switches to the "Main Menu" scene
Actual result: The Editor crashes
Reproducible with: 6000.0.0b15, 6000.0.21f1
Not reproducible with: 2021.3.44f1, 2022.3.48f1, 6000.0.0b14
Reproducible on: macOS 14.6.1 (Intel), Windows 11 (User)
Not reproducible on: No other environment tested
Stacktrace:
0x00007FF8A344CBB9 (Unity) tlsf_free
0x00007FF8A0F9FBB0 (Unity) DynamicHeapAllocator::Deallocate
0x00007FF8A0FB1333 (Unity) DualThreadAllocator<DynamicHeapAllocator>::TryDeallocate
0x00007FF8A0FA7925 (Unity) MemoryManager::TryDeallocateWithLabel
0x00007FF8A0FA9143 (Unity) free_alloc_internal
Note:
It might take a few switches to reproduce. If it does not crash after switching back to "Main Menu", re-enter Play mode again.
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Resolution Note (fix version 6000.1):
There was an issue with the streaming buffer when switching between scenes with different internal "chunk size" that we have fixed.