Segmentation fault in LibraryImportGenerator.Unit.Tests on coreclr/linux/arm64/debug

[radical]

Segfault on an unrelated PR - #66226, build, and log:

===========================================================================================================
/root/helix/work/workitem/e /root/helix/work/workitem/e
  Discovering: LibraryImportGenerator.Unit.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  LibraryImportGenerator.Unit.Tests (found 122 of 127 test cases)
  Starting:    LibraryImportGenerator.Unit.Tests (parallel test collections = on, max threads = 4)
    LibraryImportGenerator.UnitTests.Compiles.ValidateSnippetsWithMarshalType [SKIP]
      No current scenarios to test.
./RunTests.sh: line 168:    24 Segmentation fault      (core dumped) "$RUNTIME_PATH/dotnet" exec --runtimeconfig LibraryImportGenerator.Unit.Tests.runtimeconfig.json --depsfile LibraryImportGenerator.Unit.Tests.deps.json xunit.console.dll LibraryImportGenerator.Unit.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing $RSP_FILE
/root/helix/work/workitem/e
----- end Wed Jun 1 01:05:25 UTC 2022 ----- exit code 139 ----------------------------------------------------------
exit code 139 means SIGSEGV Illegal memory access. Deref invalid pointer, overrunning buffer, stack overflow etc. Core dumped.

Maybe similar to #68443

cc @jkotas @danmoseley

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Issue Details

---

Segfault on an unrelated PR - #66226, build, and log:

===========================================================================================================
/root/helix/work/workitem/e /root/helix/work/workitem/e
  Discovering: LibraryImportGenerator.Unit.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  LibraryImportGenerator.Unit.Tests (found 122 of 127 test cases)
  Starting:    LibraryImportGenerator.Unit.Tests (parallel test collections = on, max threads = 4)
    LibraryImportGenerator.UnitTests.Compiles.ValidateSnippetsWithMarshalType [SKIP]
      No current scenarios to test.
./RunTests.sh: line 168:    24 Segmentation fault      (core dumped) "$RUNTIME_PATH/dotnet" exec --runtimeconfig LibraryImportGenerator.Unit.Tests.runtimeconfig.json --depsfile LibraryImportGenerator.Unit.Tests.deps.json xunit.console.dll LibraryImportGenerator.Unit.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing $RSP_FILE
/root/helix/work/workitem/e
----- end Wed Jun 1 01:05:25 UTC 2022 ----- exit code 139 ----------------------------------------------------------
exit code 139 means SIGSEGV Illegal memory access. Deref invalid pointer, overrunning buffer, stack overflow etc. Core dumped.

Maybe similar to #68443

cc @jkotas @danmoseley

Author:	radical
Assignees:	-
Labels:	area-System.Runtime.InteropServices, blocking-clean-ci
Milestone:	-

[jakobbotsch]

This could be #69657 that was fixed in #70053 too.

[jkotas]

I am not able to get a good unmanaged stacktrace from the crashdump (the symbols are mismatched for some reason).

This could be #69657

Yes, that's likely. Let's resolve it with this assumption.