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[wasm] DebuggerTests.MiscTests.DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime failing #89909
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RuntimeError: memory access out of boundsLog[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: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.
{ "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)Yea I think you're right @pavelsavara
I will work on it today.
So, legacy interop is gone now and with it the assumed GC boundary problems of it.
I see new issue[xUnit.net 00:01:56.08] DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime(_attempt: 5) [FAIL] Failed DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime(_attempt: 5) [57 s] Error Message: System.Threading.Tasks.TaskCanceledException : Test timed out (elapsed time: 60.0038633) Stack Trace: at DebuggerTests.DebuggerTestBase.WaitFor(String what) in /_/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestBase.cs:line 284 at DebuggerTests.DebuggerTestBase.SendCommandAndCheck(JObject args, String method, String script_loc, Int32 line, Int32 column, String function_name, Func`2 wait_for_event_fn, Func`2 locals_fn, String waitForEvent) in /_/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestBase.cs:line 688 at DebuggerTests.DebuggerTestBase.StepAndCheck(StepKind kind, String script_loc, Int32 line, Int32 column, String function_name, Func`2 wait_for_event_fn, Func`2 locals_fn, Int32 times) in /_/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestBase.cs:line 640 at DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime(Int32 _attempt) in /_/src/mono/browser/debugger/DebuggerTestSuite/MiscTests.cs:line 1197 --- End of stack trace from previous location --- Standard Output Messages: | [2024-01-20T18:22:17] DebuggerTests.TestHarnessProxy Debug: [testId: 17] TestHarnessStartup done | [2024-01-20T18:22:17] DebuggerTests.TestHarnessProxy Debug: TestHarnessStartup: closing for 17 | [2024-01-20T18:22:17] DebuggerTests.TestHarnessProxy Information: [testId: 18] New test request for test id 18 | [2024-01-20T18:22:17] DebuggerTests.TestHarnessProxy Debug: [18] Starting /root/helix/work/correlation/chrome-linux/chrome with --no-sandbox --headless --disable-gpu --lang=en-US --incognito --remote-debugging-port=0 about:blank | [2024-01-20T18:22:18] DebuggerTests.TestHarnessProxy Debug: [testId: 18] browser-stderr [0120/182218.036167:WARNING:bluez_dbus_manager.cc(248)] Floss manager not present, cannot set Floss enable/disable. | [2024-01-20T18:22:18] DebuggerTests.TestHarnessProxy Debug: [testId: 18] browser-stderr | [2024-01-20T18:22:18] DebuggerTests.TestHarnessProxy Debug: [testId: 18] browser-stderr DevTools listening on ws://127.0.0.1:40115/devtools/browser/a898adbb-349f-4b12-a7a3-647dbb6aa6c1 | [2024-01-20T18:22:18] DebuggerTests.TestHarnessProxy Debug: [testId: 18] browser-stderr [0120/182218.070658:WARNING:sandbox_linux.cc(400)] InitializeSandbox() called with multiple threads in process gpu-process. | [2024-01-20T18:22:18] DebuggerTests.TestHarnessProxy Information: [testId: 18] launching proxy for ws://127.0.0.1:40115/devtools/page/26163E33E5C64B436AAB53A4A40666EB | [2024-01-20T18:22:18] Inspector-18 Information: waiting for the runtime to be ready | [2024-01-20T18:22:20] Inspector-18 Information: runtime ready, TEST TIME | [2024-01-20T18:22:20] Inspector-18 Information: console.log: Thread:3 - y | [2024-01-20T18:22:20] Inspector-18 Information: console.log: Thread:5 - y | [2024-01-20T18:22:20] Inspector-18 Information: console.log: Thread:4 - y [xUnit.net 00:02:03.80] DebuggerTests.MiscTests.InspectTaskAtLocals [SKIP]It look like deadlock.
removing blocking-clean-ci as it has not failed in 30 days
24-Hour Hit Count 7-Day Hit Count 1-Month Count 0 0 0 leaving open since these may still be running in servicing but these tests are disabled in main
- locked and limited conversation to collaborators
on Sep 14, 2025
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
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{ "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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