[wasm] `DebuggerTests.MiscTests.DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime` failing

[radical]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=361663
Build error leg or test failing: DebuggerTests.MiscTests.DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime
Pull request: #89890

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "",
  "ErrorPattern": "at Newtonsoft.Json.Linq.JArray.get_Item|GetValues: .*memory access out of bounds",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

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Validation performed at: 8/23/2023 4:28:55 AM UTC

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Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

Tagging subscribers to 'arch-wasm': @lewing
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Issue Details

---

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=361663
Build error leg or test failing: DebuggerTests.MiscTests.DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime
Pull request: #89890

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "",
  "ErrorPattern": "at Newtonsoft.Json.Linq.JArray.get_Item",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Author:	radical
Assignees:	-
Labels:	arch-wasm, blocking-clean-ci, untriaged, area-Debugger-mono, Known Build Error, needs-area-label
Milestone:	-

[pavelsavara]

RuntimeError: memory access out of bounds Log

[xUnit.net 00:03:07.85]     DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime [FAIL]
  Failed DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime [312 ms]
  Error Message:
   [Runtime.getProperties returned False instead of True, for {
  "objectId": "dotnet:scope:1"
}, with Result: [Result: IsOk: False, IsErr: True, Value: , Error: {
  "message": "RuntimeGetProperties: Failed to get properties for dotnet:scope:1: 
System.Exception: Error resolving scope properties SendDebuggerAgentCommand failed for GetValues: [Result: IsOk: False, IsErr: True, Value: , Error: {\n  \"result\": {\n    \"type\": \"object\",\n    \"subtype\": \"error\",\n    
\"className\": \"RuntimeError\",\n    \"description\": \"RuntimeError: memory access out of bounds\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[2794]:0xca9f8\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[2793]:0xca9bf\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[1725]:0x7dd2c\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[1798]:0x87339\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[1666]:0x7a8c8\\n    at Module._mono_wasm_send_dbg_command [as mono_wasm_send_dbg_command] (http://localhost:9400/_framework/dotnet.native.js:8:152890)\\n    at Object.Yt [as mono_wasm_send_dbg_command] (http://localhost:9400/_framework/dotnet.runtime.js:3:23153)\\n    at <anonymous>:1:30\\n    at mono_wasm_fire_debugger_agent_message_with_data_to_pause (http://localhost:9400/_framework/dotnet.runtime.js:3:22379)\\n    at mono_wasm_fire_debugger_agent_message_with_data (http://localhost:9400/_framework/dotnet.runtime.js:3:22450)\",\n    \"objectId\": \"-4071294141316437108.1.72\"\n  },\n  \"exceptionDetails\": {\n    \"exceptionId\": 3,\n    \"text\": \"Uncaught\",\n    \"lineNumber\": 0,\n    \"columnNumber\": 829944,\n    \"scriptId\": \"5\",\n    \"stackTrace\": {\n      \"callFrames\": [\n        {\n          \"functionName\": \"$func2794\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 829944\n        },\n        {\n          \"functionName\": \"$func2793\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 829887\n        },\n        {\n          \"functionName\": \"$func1725\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 515372\n        },\n        {\n          \"functionName\": \"$func1798\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 553785\n        },\n        {\n          \"functionName\": \"$mono_wasm_send_dbg_command\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 501960\n        },\n        {\n          \"functionName\": \"Module._mono_wasm_send_dbg_command\",\n          \"scriptId\": \"7\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.js\",\n          \"lineNumber\": 7,\n          \"columnNumber\": 152889\n        },\n        {\n          \"functionName\": \"Yt\",\n          \"scriptId\": \"8\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.runtime.js\",\n          \"lineNumber\": 2,\n          \"columnNumber\": 23152\n        },\n        {\n          \"functionName\": \"\",\n          \"scriptId\": \"50\",\n          \"url\": \"\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 29\n        },\n        {\n          \"functionName\": \"mono_wasm_fire_debugger_agent_message_with_data_to_pause\",\n          \"scriptId\": \"8\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.runtime.js\",\n          \"lineNumber\": 2,\n          \"columnNumber\": 22378\n        },\n        {\n          \"functionName\": \"mono_wasm_fire_debugger_agent_message_with_data\",\n          \"scriptId\": \"8\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.runtime.js\",\n          \"lineNumber\": 2,\n          \"columnNumber\": 22449\n        },\n        {\n          \"functionName\": \"$func1672\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 502446\n        },\n        {\n          \"functionName\": \"$func1844\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 577867\n        },\n        {\n          \"functionName\": \"$func1784\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 535782\n        },\n        {\n          \"functionName\": \"$func1783\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 534251\n        },\n        {\n          \"functionName\": \"$func1707\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 512879\n        },\n        {\n          \"functionName\": \"$func1669\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 502064\n        },\n        {\n          \"functionName\": \"$func266\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 153264\n        },\n        {\n          \"functionName\": \"$func263\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 142811\n        },\n        {\n          \"functionName\": \"$func299\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 158999\n        },\n        {\n          \"functionName\": \"$func3564\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 1026155\n        },\n        {\n          \"functionName\": \"$func2835\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 838445\n        },\n        {\n          \"functionName\": \"$func2834\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 838333\n        },\n        {\n          \"functionName\": \"$func2988\",\n          \"scriptId\": \"5\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.wasm\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 868995\n        },\n        {\n          \"functionName\": \"invokeEntryPoint\",\n          \"scriptId\": \"7\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.js\",\n          \"lineNumber\": 7,\n          \"columnNumber\": 68740\n        },\n        {\n          \"functionName\": \"handleMessage\",\n          \"scriptId\": \"4\",\n          \"url\": \"http://localhost:9400/_framework/dotnet.native.worker.js\",\n          \"lineNumber\": 0,\n          \"columnNumber\": 2305\n        }\n      ],\n      \"parentId\": {\n        \"id\": \"34\",\n        \"debuggerId\": \"-4468978960161569201.7625199215478716467\"\n      }\n    },\n    \"exception\": {\n      \"type\": \"object\",\n      \"subtype\": \"error\",\n      \"className\": \"RuntimeError\",\n      \"description\": \"RuntimeError: memory access out of bounds\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[2794]:0xca9f8\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[2793]:0xca9bf\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[1725]:0x7dd2c\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[1798]:0x87339\\n    at http://localhost:9400/_framework/dotnet.native.wasm:wasm-function[1666]:0x7a8c8\\n    at Module._mono_wasm_send_dbg_command [as mono_wasm_send_dbg_command] (http://localhost:9400/_framework/dotnet.native.js:8:152890)\\n    at Object.Yt [as mono_wasm_send_dbg_command] (http://localhost:9400/_framework/dotnet.runtime.js:3:23153)\\n    at <anonymous>:1:30\\n    at mono_wasm_fire_debugger_agent_message_with_data_to_pause (http://localhost:9400/_framework/dotnet.runtime.js:3:22379)\\n    at mono_wasm_fire_debugger_agent_message_with_data (http://localhost:9400/_framework/dotnet.runtime.js:3:22450)\",\n      \"objectId\": \"-4071294141316437108.1.73\"\n    }\n  }\n} ]\n   at Microsoft.WebAssembly.Diagnostics.MonoProxy.GetScopeProperties(SessionId msg_id, Int32 scopeId, CancellationToken token) in /_/src/mono/wasm/debugger/BrowserDebugProxy/MonoProxy.cs:line 1533\n   at Microsoft.WebAssembly.Diagnostics.MonoProxy.RuntimeGetObjectMembers(SessionId id, DotnetObjectId objectId, JToken args, CancellationToken token, Boolean sortByAccessLevel) in /_/src/mono/wasm/debugger/BrowserDebugProxy/MonoProxy.cs:line 840"
} ]]

Expected: True
Actual:   False
  Stack Trace:
     at DebuggerTests.DebuggerTestBase.AssertEqual(Object expected, Object actual, String label) in /_/src/mono/wasm/debugger/DebuggerTestSuite/DebuggerTestBase.cs:line 1299
   at DebuggerTests.DebuggerTestBase.GetProperties(String id, JToken fn_args, Nullable`1 own_properties, Nullable`1 accessors_only, Boolean expect_ok) in /_/src/mono/wasm/debugger/DebuggerTestSuite/DebuggerTestBase.cs:line 1056
   at DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime() in /_/src/mono/wasm/debugger/DebuggerTestSuite/MiscTests.cs:line 1182
--- End of stack trace from previous location ---
  Standard Output Messages:

[pavelsavara]

Here the debugger test is calling into runtime via legacy JS interop method (probably on main thread) but it's not having correct GC transition barrier.

@kg @lambdageek is my analysis right ?

In which case that should be separate issue.

Log

 {
          "functionName": "$mono_wasm_invoke_method_ref",
          "scriptId": "10",
          "url": "http://localhost:9400/_framework/dotnet.native.wasm",
          "lineNumber": 0,
          "columnNumber": 80961
        },
        {
          "functionName": "Module._mono_wasm_invoke_method_ref",
          "scriptId": "9",
          "url": "http://localhost:9400/_framework/dotnet.native.js",
          "lineNumber": 7,
          "columnNumber": 143113
        },

...snip

console.error: Error: [MONO] /__w/1/s/src/mono/mono/utils/mono-threads-state-machine.c:807 <disabled>
   at It (http://localhost:9400/_framework/dotnet.runtime.js:3:13374)

[lambdageek]

Yea I think you're right @pavelsavara