Test failure: access violation in cpblk tests #76506
Description
Affected tests:
JIT/Directed/PREFIX/volatile/1/cpblk/cpblk.shJIT\\Directed\\PREFIX\\volatile\\1\\cpblk\\cpblk.cmd
Runfo hits for last 30 days as of 10/3:
- First occurrence on 9/30 in rolling run 36073
- Happened 2x-3x in each Rolling run in last 3 days across various platforms (all are arm64 -- on all platforms - Linux, OSX and Windows)
Original Report
arm64, JitStress
Also fails in MinOpts
Started with 20220929.1 build:
https://dev.azure.com/dnceng-public/public/_build/results?buildId=37829&view=results
Tests:
JIT\Directed\PREFIX\unaligned\2\cpblk\cpblk.cmd
JIT\IL_Conformance\Old\Conformance_Base\ldc_c_cpblk\ldc_c_cpblk.cmd
JIT\Directed\PREFIX\unaligned\4\cpblk\cpblk.cmd
JIT\IL_Conformance\Old\Base\cpblk\cpblk.cmd
JIT\IL_Conformance\Old\Conformance_Base\c_cpblk\c_cpblk.cmd
JIT\IL_Conformance\Old\Conformance_Base\cpblk\cpblk.cmd
JIT\Directed\PREFIX\unaligned\1\cpblk\cpblk.cmd
Example:
Starting: JIT.Directed.XUnitWrapper (parallel test collections = on, max threads = 8)
JIT\Directed\PREFIX\unaligned\4\cpblk\cpblk.cmd [FAIL]
Fatal error. System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
at _cpblk.main(System.String[])
@dotnet/jit-contrib
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 0 | 0 |