[iOS/tvOS] System.Runtime.Tests crash with signal 4 #116815
Description
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1072357&view=logs&j=7f49df26-8126-5de3-bf2f-6ac6bde01830&t=c62b6a8c-bf71-5057-7f45-9c355fe0b802
Build error leg or test failing: System.Runtime.Tests
Error Message
Fill the error message using step by step known issues guidance.
{
"ErrorMessage": "Application 'net.dot.System.Runtime.Tests' terminated (with exit code '' and/or crashing signal '4).",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Logs:
[08:04:31] dbug: [08:04:22.9258080] 2025-06-14 05:04:23.009 System.Runtime.Tests[51169:174009368] [PASS] System.Tests.StringTests.NonRandomizedGetHashCode_EquivalentForStringAndSpan
[08:04:31] dbug: [08:04:22.9823520] 2025-06-14 05:04:23.065 System.Runtime.Tests[51169:174009368] [PASS] System.Tests.StringTests.NonRandomizedGetHashCode_EquivalentForStringAndSpan
[08:04:31] dbug: [08:04:23.0862410] 2025-06-14 05:04:23.168 System.Runtime.Tests[51169:174009368] [PASS] System.Tests.StringTests.NonRandomizedGetHashCode_EquivalentForStringAndSpan
[08:04:31] dbug: [08:04:23.1905250] 2025-06-14 05:04:23.274 System.Runtime.Tests[51169:174009368] [PASS] System.Tests.StringTests.NonRandomizedGetHashCode_EquivalentForStringAndSpan
[08:04:31] dbug: [08:04:23.2425390] Xamarin.Hosting: Process '51169' exited with exit code or crashing signal 4.
[08:04:31] dbug: [08:04:23.2432150] Application 'net.dot.System.Runtime.Tests' terminated (with exit code '' and/or crashing signal '4).
[08:04:31] dbug: ==================== End of ApplicationLog ====================
[08:04:31] dbug:
[08:04:31] dbug: ==================== SystemLog ====================
[08:04:31] dbug: Log file: /tmp/helix/working/A53F08DC/w/A54E08E9/uploads/device-DNCENGTVOS-006-20250614_080252.log
Changes in #116538 made the error visible on iOS/tvOS. The error code indicates an invalid CPU instruction.
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1072357
Error message validated: [Application 'net.dot.System.Runtime.Tests' terminated (with exit code '' and/or crashing signal '4).]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 6/19/2025 11:04:44 AM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 0 | 33 |