linux ARM64 dotnet7 regression preview 4 to preview 5, 6 and 7 #72645
Description
Description
When I attempt to build my application, there is an error coming from crossgen2. I get a different error with dotnet7 preview 5 vs preview 6. Both errors smell like SIGSEGV, and both smell of a corrupted heap. Perhaps other dotnet7 previews have this corruption, but it isn't noticed.
/home/msft/dotnet_all/dotnet7.0/sdk/7.0.100-preview.5.22307.18/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.CrossGen.targets(464,5): error : Process terminated. Access Violation: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. The application will be terminated since this platform does not support throwing an AccessViolationException. [/mnt/msft/dotnet_techempower/aspnet/benchmarks/src/BenchmarksApps/Kestrel/PlatformBenchmarks/PlatformBenchmarks.csproj]
Reproduction Steps
Linux jammy on ARM64, using dotnet7 preview 5 or 6
Running under gdb, the top few stack frame looks like:
Switching to Thread 0xfffff7ff36a0 (LWP 2813)]
0x0000aaaaaae57160 in ILCompiler_TypeSystem_Internal_NativeFormat_TypeHashingAlgorithms__ComputeNameHashCode ()
(gdb) where
#0 0x0000aaaaaae57160 in ILCompiler_TypeSystem_Internal_NativeFormat_TypeHashingAlgorithms__ComputeNameHashCode ()
#1 0x0000aaaaaae5b214 in ILCompiler_TypeSystem_Internal_TypeSystem_InstantiatedType__GetMethod ()
#2 0x0000aaaaaae757e4 in ILCompiler_TypeSystem_Internal_TypeSystem_Ecma_EcmaModule__ResolveMemberReference ()
Expected behavior
no internal errors
Actual behavior
heap corruption
Regression?
No response
Known Workarounds
No response
Configuration
linux (ubuntu jammy 22.04) arm64 dotnet7 preview 4, 5 and 6 (4 OK[sic])
The error's presence and location seem to move around depending on the number of cores available for the job. 3 cores seemed to tickle this problem.
Other information
No response