Detaching from a .Net9 debuggee can crash the application

[auott]

Description

This issue was originally reported through Visual Studio Feedback here: https://developercommunity.visualstudio.com/t/Net9:-Detaching-debugger-when-hitting-a/10866875

Detaching the debugger when stopped at a breakpoint can sometimes cause the debuggee to exit.

Reproduction Steps

Debug a .Net9 application on a CET enabled machine.
Hit a breakpoint.
Detach the debugger.

Expected behavior

Application continues running.

Actual behavior

Application exits.

Regression?

No response

Known Workarounds

No response

Configuration

Win11 with a CET enabled CPU.

Other information

No response

[dotnet-policy-service]

Tagging subscribers to this area: @thaystg, @dotnet/dotnet-diag
See info in area-owners.md if you want to be subscribed.

[dotnet-policy-service]

Tagging subscribers to this area: @steveisok, @dotnet/dotnet-diag
See info in area-owners.md if you want to be subscribed.