Closed Bug 2047138 Opened 5 months ago Closed 4 months ago

Intermittent SUMMARY: ThreadSanitizer: data race /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:X:14 in js::gc::GCRuntime::sweepZones(JS::GCContext*, bool)

Tracking

()

Status:

RESOLVED DUPLICATE of bug 2046916

People

(Reporter: intermittent-bug-filer, Unassigned)

References

(Blocks 2 open bugs)

Details

(Keywords: csectype-race, intermittent-failure, sec-moderate)

Treeherder Bug Filer

Reporter

Description

•

5 months ago

treeherder

Filed by: amarc [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=572369337&repo=try&task=frP67m-eSQS-jowbvuq_Wg.0
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/frP67m-eSQS-jowbvuq_Wg/runs/0/artifacts/public/logs/live_backing.log

[task 2026-06-12T10:41:04.626+00:00] 10:41:04     INFO - TEST-START | /workers/constructors/SharedWorker/SharedWorker-constructor.html
[task 2026-06-12T10:41:04.829+00:00] 10:41:04     INFO - Closing window f80cc3b1-8fe1-4424-a9ee-bc34a7385d96
[task 2026-06-12T10:41:05.077+00:00] 10:41:05     INFO - PID 52004 | ==================
[task 2026-06-12T10:41:05.078+00:00] 10:41:05     INFO - PID 52004 | WARNING: ThreadSanitizer: data race (pid=52004)
[task 2026-06-12T10:41:05.079+00:00] 10:41:05     INFO - PID 52004 |   Write of size 8 at 0x72b4000285c0 by main thread (mutexes: write M0):
[task 2026-06-12T10:41:05.080+00:00] 10:41:05     INFO - PID 52004 |     #0 js::gc::GCRuntime::sweepZones(JS::GCContext*, bool) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:2673:14 (libxul.so+0xb74b049) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.080+00:00] 10:41:05     INFO - PID 52004 |     #1 js::gc::GCRuntime::incrementalSlice(JS::SliceBudget&, JS::GCReason, bool) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:4552:9 (libxul.so+0xb757b06) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.081+00:00] 10:41:05     INFO - PID 52004 |     #2 js::gc::GCRuntime::gcCycle(bool, JS::SliceBudget const&, JS::GCReason) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:5068:3 (libxul.so+0xb75a74d) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.082+00:00] 10:41:05     INFO - PID 52004 |     #3 js::gc::GCRuntime::collect(bool, JS::SliceBudget const&, JS::GCReason) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:5258:9 (libxul.so+0xb75b64f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.083+00:00] 10:41:05     INFO - PID 52004 |     #4 js::gc::GCRuntime::gcIfRequestedImpl(bool) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp (libxul.so+0xb748227) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.083+00:00] 10:41:05     INFO - PID 52004 |     #5 gcIfRequested /builds/worker/checkouts/gecko/js/src/gc/GCRuntime.h:343:33 (libxul.so+0xb71540a) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.084+00:00] 10:41:05     INFO - PID 52004 |     #6 MajorGCIfRequested /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Allocator.cpp:135:23 (libxul.so+0xb71540a)
[task 2026-06-12T10:41:05.085+00:00] 10:41:05     INFO - PID 52004 |     #7 void* js::gc::CellAllocator::AllocTenuredCellForNurseryAlloc<(js::AllowGC)1>(JSContext*, js::gc::AllocKind) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Allocator.cpp:143:5 (libxul.so+0xb71540a)
[task 2026-06-12T10:41:05.086+00:00] 10:41:05     INFO - PID 52004 |     #8 NewTenuredCell<js::Scope, (js::AllowGC)1, js::ScopeKind &, JS::Handle<js::Scope *> &, JS::Handle<js::SharedShape *> &> /builds/worker/checkouts/gecko/js/src/gc/Allocator-inl.h:149:15 (libxul.so+0xbff2c52) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.087+00:00] 10:41:05     INFO - PID 52004 |     #9 NewCell<js::Scope, (js::AllowGC)1, js::ScopeKind &, JS::Handle<js::Scope *> &, JS::Handle<js::SharedShape *> &> /builds/worker/checkouts/gecko/js/src/gc/Allocator-inl.h:78:12 (libxul.so+0xbff2c52)
[task 2026-06-12T10:41:05.088+00:00] 10:41:05     INFO - PID 52004 |     #10 newCell<js::Scope, (js::AllowGC)1, js::ScopeKind &, JS::Handle<js::Scope *> &, JS::Handle<js::SharedShape *> &> /builds/worker/checkouts/gecko/js/src/vm/JSContext-inl.h:377:10 (libxul.so+0xbff2c52)
[task 2026-06-12T10:41:05.088+00:00] 10:41:05     INFO - PID 52004 |     #11 create /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/Scope.cpp:310:14 (libxul.so+0xbff2c52)
[task 2026-06-12T10:41:05.089+00:00] 10:41:05     INFO - PID 52004 |     #12 create<js::FunctionScope> /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/Scope.cpp:319:18 (libxul.so+0xbff2c52)
[task 2026-06-12T10:41:05.090+00:00] 10:41:05     INFO - PID 52004 |     #13 js::Scope* js::frontend::ScopeStencil::createSpecificScope<js::FunctionScope, js::CallObject>(JSContext*, js::frontend::CompilationAtomCache&, JS::Handle<js::Scope*>, js::AbstractBaseScopeData<js::frontend::TaggedParserAtomIndex>*) const /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/Scope.cpp:1714:10 (libxul.so+0xbff2c52)
[task 2026-06-12T10:41:05.091+00:00] 10:41:05     INFO - PID 52004 |     #14 js::frontend::ScopeStencil::createScope(JSContext*, js::frontend::CompilationAtomCache&, JS::Handle<js::Scope*>, js::AbstractBaseScopeData<js::frontend::TaggedParserAtomIndex>*) const /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:2012:14 (libxul.so+0xb6b89e1) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.092+00:00] 10:41:05     INFO - PID 52004 |     #15 createScope /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:2002:10 (libxul.so+0xb6bb461) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.092+00:00] 10:41:05     INFO - PID 52004 |     #16 InstantiateScopes /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:2357:41 (libxul.so+0xb6bb461)
[task 2026-06-12T10:41:05.093+00:00] 10:41:05     INFO - PID 52004 |     #17 js::frontend::CompilationStencil::instantiateStencilAfterPreparation(JSContext*, js::frontend::CompilationInput&, js::frontend::CompilationStencil const&, js::frontend::CompilationGCOutput&) /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:2890:8 (libxul.so+0xb6bb461)
[task 2026-06-12T10:41:05.094+00:00] 10:41:05     INFO - PID 52004 |     #18 js::frontend::CompilationStencil::instantiateStencils(JSContext*, js::frontend::CompilationInput&, js::frontend::CompilationStencil const&, js::frontend::CompilationGCOutput&) /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:2807:8 (libxul.so+0xb6b9795) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.095+00:00] 10:41:05     INFO - PID 52004 |     #19 js::frontend::InitialStencilAndDelazifications::instantiateStencils(JSContext*, js::frontend::CompilationInput&, js::frontend::InitialStencilAndDelazifications&, js::frontend::CompilationGCOutput&) /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:4138:8 (libxul.so+0xb6c4b4b) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.096+00:00] 10:41:05     INFO - PID 52004 |     #20 bool InstantiateStencilsImpl<js::frontend::InitialStencilAndDelazifications>(JSContext*, js::frontend::CompilationInput&, js::frontend::InitialStencilAndDelazifications&, js::frontend::CompilationGCOutput&) /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/BytecodeCompiler.cpp:469:10 (libxul.so+0xb6252ad) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.097+00:00] 10:41:05     INFO - PID 52004 |     #21 js::frontend::InstantiateStencils(JSContext*, js::frontend::CompilationInput&, js::frontend::InitialStencilAndDelazifications&, js::frontend::CompilationGCOutput&) /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/BytecodeCompiler.cpp:495:10 (libxul.so+0xb62521e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.098+00:00] 10:41:05     INFO - PID 52004 |     #22 JS::InstantiateModuleStencil(JSContext*, JS::InstantiateOptions const&, js::frontend::InitialStencilAndDelazifications*, JS::InstantiationStorage*) /builds/worker/workspace/obj-build/js/src/frontend/./../../../../../checkouts/gecko/js/src/frontend/Stencil.cpp:6246:8 (libxul.so+0xb6c91c3) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.099+00:00] 10:41:05     INFO - PID 52004 |     #23 mozJSModuleLoader::GetScriptForLocation(JSContext*, ModuleLoaderInfo&, nsIFile*, bool, JS::MutableHandle<JSObject*>, char**) /builds/worker/checkouts/gecko/js/xpconnect/loader/mozJSModuleLoader.cpp:989:7 (libxul.so+0x4da6f36) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.100+00:00] 10:41:05     INFO - PID 52004 |     #24 mozJSModuleLoader::LoadSingleModule(mozilla::loader::SyncModuleLoader*, JSContext*, JS::loader::ModuleLoadRequest*, JS::MutableHandle<JSObject*>) /builds/worker/checkouts/gecko/js/xpconnect/loader/mozJSModuleLoader.cpp:747:12 (libxul.so+0x4da59ce) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.101+00:00] 10:41:05     INFO - PID 52004 |     #25 mozilla::loader::SyncModuleLoader::StartFetch(JS::loader::ModuleLoadRequest*) /builds/worker/workspace/obj-build/js/xpconnect/loader/./../../../../../checkouts/gecko/js/xpconnect/loader/SyncModuleLoader.cpp:147:7 (libxul.so+0x4db70ed) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.102+00:00] 10:41:05     INFO - PID 52004 |     #26 JS::loader::ModuleLoaderBase::StartOrRestartModuleLoad(JS::loader::ModuleLoadRequest*, JS::loader::ModuleLoaderBase::RestartRequest) /builds/worker/workspace/obj-build/js/loader/./../../../../checkouts/gecko/js/loader/ModuleLoaderBase.cpp:597:8 (libxul.so+0x4d8113e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.103+00:00] 10:41:05     INFO - PID 52004 |     #27 JS::loader::ModuleLoaderBase::StartModuleLoad(JS::loader::ModuleLoadRequest*) /builds/worker/workspace/obj-build/js/loader/./../../../../checkouts/gecko/js/loader/ModuleLoaderBase.cpp:550:10 (libxul.so+0x4d7f1f0) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.104+00:00] 10:41:05     INFO - PID 52004 |     #28 StartModuleLoad /builds/worker/workspace/obj-build/dist/include/js/loader/ModuleLoadRequest.h:91:48 (libxul.so+0x4da8073) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.104+00:00] 10:41:05     INFO - PID 52004 |     #29 mozJSModuleLoader::ImportESModule(JSContext*, nsTSubstring<char> const&, JS::MutableHandle<JSObject*>) /builds/worker/checkouts/gecko/js/xpconnect/loader/mozJSModuleLoader.cpp:1208:17 (libxul.so+0x4da8073)
[task 2026-06-12T10:41:05.105+00:00] 10:41:05     INFO - PID 52004 |     #30 mozilla::dom::lazy_getter::ESModuleGetter(JSContext*, unsigned int, JS::Value*) /builds/worker/workspace/obj-build/dom/base/./../../../../checkouts/gecko/dom/base/ChromeUtils.cpp:1053:31 (libxul.so+0x61298ce) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.106+00:00] 10:41:05     INFO - PID 52004 |     #31 CallJSNative /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:498:13 (libxul.so+0xbf430d7) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.107+00:00] 10:41:05     INFO - PID 52004 |     #32 js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:594:12 (libxul.so+0xbf430d7)
[task 2026-06-12T10:41:05.107+00:00] 10:41:05     INFO - PID 52004 |     #33 InternalCall /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:661:10 (libxul.so+0xbf43e92) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.108+00:00] 10:41:05     INFO - PID 52004 |     #34 js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:693:8 (libxul.so+0xbf43e92)
[task 2026-06-12T10:41:05.109+00:00] 10:41:05     INFO - PID 52004 |     #35 js::CallGetter(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:815:10 (libxul.so+0xbf44986) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.110+00:00] 10:41:05     INFO - PID 52004 |     #36 CallGetter(JSContext*, JS::Handle<js::NativeObject*>, JS::Handle<JS::Value>, JS::Handle<JS::PropertyKey>, js::PropertyInfoBase<unsigned int>, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/NativeObject.cpp:2177:12 (libxul.so+0xc24f7e3) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.111+00:00] 10:41:05     INFO - PID 52004 |     #37 GetExistingProperty<(js::AllowGC)1> /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/NativeObject.cpp:2205:12 (libxul.so+0xc238757) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.112+00:00] 10:41:05     INFO - PID 52004 |     #38 NativeGetPropertyInline<(js::AllowGC)1> /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/NativeObject.cpp:2348:14 (libxul.so+0xc238757)
[task 2026-06-12T10:41:05.113+00:00] 10:41:05     INFO - PID 52004 |     #39 js::NativeGetProperty(JSContext*, JS::Handle<js::NativeObject*>, JS::Handle<JS::Value>, JS::Handle<JS::PropertyKey>, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/NativeObject.cpp:2378:10 (libxul.so+0xc238757)
[task 2026-06-12T10:41:05.114+00:00] 10:41:05     INFO - PID 52004 |     #40 GetProperty /builds/worker/checkouts/gecko/js/src/vm/ObjectOperations-inl.h:111:10 (libxul.so+0xbf60784) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.114+00:00] 10:41:05     INFO - PID 52004 |     #41 GetProperty /builds/worker/checkouts/gecko/js/src/vm/ObjectOperations-inl.h:118:10 (libxul.so+0xbf60784)
[task 2026-06-12T10:41:05.115+00:00] 10:41:05     INFO - PID 52004 |     #42 js::GetProperty(JSContext*, JS::Handle<JS::Value>, JS::Handle<js::PropertyName*>, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:4628:10 (libxul.so+0xbf60784)
[task 2026-06-12T10:41:05.116+00:00] 10:41:05     INFO - PID 52004 |     #43 js::Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:2935:12 (libxul.so+0xbf51278) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.116+00:00] 10:41:05     INFO - PID 52004 |     #44 MaybeEnterInterpreterTrampoline /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:392:10 (libxul.so+0xbf42a66) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.117+00:00] 10:41:05     INFO - PID 52004 |     #45 js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:468:13 (libxul.so+0xbf42a66)
[task 2026-06-12T10:41:05.118+00:00] 10:41:05     INFO - PID 52004 |     #46 js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:626:13 (libxul.so+0xbf43363) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.119+00:00] 10:41:05     INFO - PID 52004 |     #47 InternalCall /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:661:10 (libxul.so+0xbf43e92) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.120+00:00] 10:41:05     INFO - PID 52004 |     #48 js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:693:8 (libxul.so+0xbf43e92)
[task 2026-06-12T10:41:05.120+00:00] 10:41:05     INFO - PID 52004 |     #49 js::CallSelfHostedFunction(JSContext*, JS::Handle<js::PropertyName*>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/SelfHosting.cpp:1185:10 (libxul.so+0xbff4a39) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.121+00:00] 10:41:05     INFO - PID 52004 |     #50 js::jit::InterpretResume(JSContext*, JS::Handle<JSObject*>, JS::Value*, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/jit/./../../../../../checkouts/gecko/js/src/jit/VMFunctions.cpp:1197:10 (libxul.so+0xba62e48) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.122+00:00] 10:41:05     INFO - PID 52004 |     #51 <null> <null> ([anon:js-executable-memory]+0x3d9e)
[task 2026-06-12T10:41:05.123+00:00] 10:41:05     INFO - PID 52004 |     #52 js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:458:32 (libxul.so+0xbf42a26) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.123+00:00] 10:41:05     INFO - PID 52004 |     #53 js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:626:13 (libxul.so+0xbf43363) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.124+00:00] 10:41:05     INFO - PID 52004 |     #54 InternalCall /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:661:10 (libxul.so+0xbf43e92) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.125+00:00] 10:41:05     INFO - PID 52004 |     #55 js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:693:8 (libxul.so+0xbf43e92)
[task 2026-06-12T10:41:05.126+00:00] 10:41:05     INFO - PID 52004 |     #56 js::CallSelfHostedFunction(JSContext*, JS::Handle<js::PropertyName*>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/SelfHosting.cpp:1185:10 (libxul.so+0xbff4a39) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.127+00:00] 10:41:05     INFO - PID 52004 |     #57 AsyncFunctionResume(JSContext*, JS::Handle<js::AsyncFunctionGeneratorObject*>, ResumeKind, JS::Handle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/AsyncFunction.cpp:157:8 (libxul.so+0xbf825c5) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.128+00:00] 10:41:05     INFO - PID 52004 |     #58 js::AsyncFunctionAwaitedFulfilled(JSContext*, JS::Handle<js::AsyncFunctionGeneratorObject*>, JS::Handle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/AsyncFunction.cpp:198:10 (libxul.so+0xbf821c7) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.129+00:00] 10:41:05     INFO - PID 52004 |     #59 AsyncFunctionPromiseReactionJob /builds/worker/workspace/obj-build/js/src/builtin/./../../../../../checkouts/gecko/js/src/builtin/Promise.cpp:2563:12 (libxul.so+0xb3e5d69) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.130+00:00] 10:41:05     INFO - PID 52004 |     #60 PromiseReactionJob /builds/worker/workspace/obj-build/js/src/builtin/./../../../../../checkouts/gecko/js/src/builtin/Promise.cpp:2625:12 (libxul.so+0xb3e5d69)
[task 2026-06-12T10:41:05.131+00:00] 10:41:05     INFO - PID 52004 |     #61 JS::RunJSMicroTask(JSContext*, JS::Handle<JSObject*>) /builds/worker/workspace/obj-build/js/src/builtin/./../../../../../checkouts/gecko/js/src/builtin/Promise.cpp:8502:12 (libxul.so+0xb3e5d69)
[task 2026-06-12T10:41:05.131+00:00] 10:41:05     INFO - PID 52004 |     #62 RunAndConsumeJSMicroTask /builds/worker/workspace/obj-build/dist/include/mozilla/CycleCollectedJSContext.h:247:14 (libxul.so+0x4aa6296) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.132+00:00] 10:41:05     INFO - PID 52004 |     #63 RunJSMicroTask /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:1012:35 (libxul.so+0x4aa6296)
[task 2026-06-12T10:41:05.133+00:00] 10:41:05     INFO - PID 52004 |     #64 mozilla::RunMicroTask(JSContext*, mozilla::CycleCollectedJSContext*, JS::MutableHandle<mozilla::MustConsumeMicroTask>, bool) /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:745:3 (libxul.so+0x4aa6296)
[task 2026-06-12T10:41:05.134+00:00] 10:41:05     INFO - PID 52004 |     #65 mozilla::CycleCollectedJSContext::PerformMicroTaskCheckPoint(bool) /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:1258:7 (libxul.so+0x4aa3986) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.135+00:00] 10:41:05     INFO - PID 52004 |     #66 mozilla::CycleCollectedJSContext::AfterProcessTask(unsigned int) /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:522:3 (libxul.so+0x4aa40e7) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.136+00:00] 10:41:05     INFO - PID 52004 |     #67 XPCJSContext::AfterProcessTask(unsigned int) /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1535:28 (libxul.so+0x4df403d) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.137+00:00] 10:41:05     INFO - PID 52004 |     #68 nsThread::ProcessNextEvent(bool, bool*) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/nsThread.cpp:1235:24 (libxul.so+0x4bc4d74) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.138+00:00] 10:41:05     INFO - PID 52004 |     #69 NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:472:10 (libxul.so+0x4bcaced) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.139+00:00] 10:41:05     INFO - PID 52004 |     #70 mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/workspace/obj-build/ipc/glue/./../../../../checkouts/gecko/ipc/glue/MessagePump.cpp:83:21 (libxul.so+0x4cc813c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.140+00:00] 10:41:05     INFO - PID 52004 |     #71 RunInternal /builds/worker/workspace/obj-build/ipc/chromium/./../../../../checkouts/gecko/ipc/chromium/src/base/message_loop.cc:371:10 (libxul.so+0x4c45332) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.140+00:00] 10:41:05     INFO - PID 52004 |     #72 RunHandler /builds/worker/workspace/obj-build/ipc/chromium/./../../../../checkouts/gecko/ipc/chromium/src/base/message_loop.cc:364:3 (libxul.so+0x4c45332)
[task 2026-06-12T10:41:05.141+00:00] 10:41:05     INFO - PID 52004 |     #73 MessageLoop::Run() /builds/worker/workspace/obj-build/ipc/chromium/./../../../../checkouts/gecko/ipc/chromium/src/base/message_loop.cc:346:3 (libxul.so+0x4c45332)
[task 2026-06-12T10:41:05.142+00:00] 10:41:05     INFO - PID 52004 |     #74 nsBaseAppShell::Run() /builds/worker/workspace/obj-build/widget/./../../../checkouts/gecko/widget/nsBaseAppShell.cpp:151:27 (libxul.so+0x9eceb33) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.143+00:00] 10:41:05     INFO - PID 52004 |     #75 nsAppShell::Run() /builds/worker/workspace/obj-build/widget/gtk/./../../../../checkouts/gecko/widget/gtk/nsAppShell.cpp:575:33 (libxul.so+0x9ff9a1a) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.144+00:00] 10:41:05     INFO - PID 52004 |     #76 nsAppStartup::Run() /builds/worker/workspace/obj-build/toolkit/components/startup/./../../../../../checkouts/gecko/toolkit/components/startup/nsAppStartup.cpp:307:30 (libxul.so+0xb08092b) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.144+00:00] 10:41:05     INFO - PID 52004 |     #77 XREMain::XRE_mainRun() /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6035:22 (libxul.so+0xb1faa6c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.145+00:00] 10:41:05     INFO - PID 52004 |     #78 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6294:8 (libxul.so+0xb1fbc63) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.146+00:00] 10:41:05     INFO - PID 52004 |     #79 XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6367:21 (libxul.so+0xb1fc56e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.146+00:00] 10:41:05     INFO - PID 52004 |     #80 mozilla::BootstrapImpl::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/obj-build/toolkit/xre/./../../../../checkouts/gecko/toolkit/xre/Bootstrap.cpp:45:12 (libxul.so+0xb20c642) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.147+00:00] 10:41:05     INFO - PID 52004 |     #81 do_main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:269:22 (firefox-bin+0x14b770) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.148+00:00] 10:41:05     INFO - PID 52004 |     #82 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:533:16 (firefox-bin+0x14b770)
[task 2026-06-12T10:41:05.148+00:00] 10:41:05     INFO - PID 52004 |   Previous read of size 8 at 0x72b4000285c0 by thread T31 (mutexes: write M1):
[task 2026-06-12T10:41:05.149+00:00] 10:41:05     INFO - PID 52004 |     #0 get /builds/worker/checkouts/gecko/js/src/gc/PublicIterators.h:54:12 (libxul.so+0xb7171e7) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.150+00:00] 10:41:05     INFO - PID 52004 |     #1 operator-> /builds/worker/checkouts/gecko/js/src/gc/PublicIterators.h:58:41 (libxul.so+0xb7171e7)
[task 2026-06-12T10:41:05.150+00:00] 10:41:05     INFO - PID 52004 |     #2 wantBackgroundAllocation /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Allocator.cpp:482:9 (libxul.so+0xb7171e7)
[task 2026-06-12T10:41:05.151+00:00] 10:41:05     INFO - PID 52004 |     #3 js::gc::BackgroundAllocTask::run(js::AutoLockHelperThreadState&) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Allocator.cpp:652:32 (libxul.so+0xb7171e7)
[task 2026-06-12T10:41:05.152+00:00] 10:41:05     INFO - PID 52004 |     #4 js::GCParallelTask::runTask(JS::GCContext*, js::AutoLockHelperThreadState&) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GCParallelTask.cpp:219:3 (libxul.so+0xb7619e5) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.152+00:00] 10:41:05     INFO - PID 52004 |     #5 js::GCParallelTask::runHelperThreadTask(js::AutoLockHelperThreadState&) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GCParallelTask.cpp:201:3 (libxul.so+0xb761d47) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.153+00:00] 10:41:05     INFO - PID 52004 |     #6 js::GlobalHelperThreadState::runTaskLocked(JS::HelperThreadTask*, js::AutoLockHelperThreadState&) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/HelperThreads.cpp:666:11 (libxul.so+0xc184118) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.154+00:00] 10:41:05     INFO - PID 52004 |     #7 runOneTask /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/HelperThreads.cpp:622:3 (libxul.so+0xc183fb0) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.155+00:00] 10:41:05     INFO - PID 52004 |     #8 JS::RunHelperThreadTask(JS::HelperThreadTask*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/HelperThreads.cpp:611:23 (libxul.so+0xc183fb0)
[task 2026-06-12T10:41:05.155+00:00] 10:41:05     INFO - PID 52004 |     #9 HelperThreadTaskHandler::Run() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1162:5 (libxul.so+0x4e15e0f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.156+00:00] 10:41:05     INFO - PID 52004 |     #10 RunTask /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:242:71 (libxul.so+0x4ba2fe1) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.157+00:00] 10:41:05     INFO - PID 52004 |     #11 mozilla::TaskController::RunPoolThread(mozilla::PoolThread*) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:447:23 (libxul.so+0x4ba2fe1)
[task 2026-06-12T10:41:05.158+00:00] 10:41:05     INFO - PID 52004 |     #12 mozilla::ThreadFuncPoolThread(void*) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:333:26 (libxul.so+0x4ba2d08) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.158+00:00] 10:41:05     INFO - PID 52004 |     #13 _pt_root /builds/worker/workspace/obj-build/config/external/nspr/pr/./../../../../../../checkouts/gecko/nsprpub/pr/src/pthreads/ptthread.c:190:3 (libnspr4.so+0x4caeb) (BuildId: adf0cc2eb82e717dd2aad68227a3c50d7d28dad9)
[task 2026-06-12T10:41:05.159+00:00] 10:41:05     INFO - PID 52004 |   Location is heap block of size 35360 at 0x72b400028000 allocated by main thread:
[task 2026-06-12T10:41:05.160+00:00] 10:41:05     INFO - PID 52004 |     #0 malloc /builds/worker/fetches/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:682:5 (firefox-bin+0xc5250) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.160+00:00] 10:41:05     INFO - PID 52004 |     #1 malloc /builds/worker/workspace/obj-build/memory/build/./../../../../checkouts/gecko/memory/build/malloc_decls.h:58:1 (firefox-bin+0x1536f5) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.161+00:00] 10:41:05     INFO - PID 52004 |     #2 moz_arena_malloc /builds/worker/workspace/obj-build/memory/build/./../../../../checkouts/gecko/memory/build/malloc_decls.h:58:1 (firefox-bin+0x1536f5)
[task 2026-06-12T10:41:05.161+00:00] 10:41:05     INFO - PID 52004 |     #3 moz_arena_malloc /builds/worker/workspace/obj-build/memory/build/./../../../../checkouts/gecko/memory/build/malloc_decls.h:209:1 (firefox-bin+0x1536f5)
[task 2026-06-12T10:41:05.162+00:00] 10:41:05     INFO - PID 52004 |     #4 js_arena_malloc /builds/worker/workspace/obj-build/dist/include/js/Utility.h:384:10 (libxul.so+0xc1b45ec) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.163+00:00] 10:41:05     INFO - PID 52004 |     #5 js_malloc /builds/worker/workspace/obj-build/dist/include/js/Utility.h:388:10 (libxul.so+0xc1b45ec)
[task 2026-06-12T10:41:05.163+00:00] 10:41:05     INFO - PID 52004 |     #6 js_new<JSRuntime, JSRuntime *&> /builds/worker/workspace/obj-build/dist/include/js/Utility.h:544:1 (libxul.so+0xc1b45ec)
[task 2026-06-12T10:41:05.164+00:00] 10:41:05     INFO - PID 52004 |     #7 js::NewContext(unsigned int, JSRuntime*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/JSContext.cpp:176:24 (libxul.so+0xc1b45ec)
[task 2026-06-12T10:41:05.165+00:00] 10:41:05     INFO - PID 52004 |     #8 JS_NewContext(unsigned int, JSRuntime*) /builds/worker/workspace/obj-build/js/src/./../../../../checkouts/gecko/js/src/jsapi.cpp:404:10 (libxul.so+0xb2e33a3) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.165+00:00] 10:41:05     INFO - PID 52004 |     #9 mozilla::CycleCollectedJSContext::Initialize(JSRuntime*, unsigned int) /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:126:16 (libxul.so+0x4aa24eb) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.166+00:00] 10:41:05     INFO - PID 52004 |     #10 XPCJSContext::Initialize() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1246:32 (libxul.so+0x4df265c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.167+00:00] 10:41:05     INFO - PID 52004 |     #11 XPCJSContext::NewXPCJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1474:23 (libxul.so+0x4df3877) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.168+00:00] 10:41:05     INFO - PID 52004 |     #12 nsXPConnect::InitJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:137:25 (libxul.so+0x4e4ca0c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.168+00:00] 10:41:05     INFO - PID 52004 |     #13 xpc::InitializeJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:152:35 (libxul.so+0x4e4d3ef) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.169+00:00] 10:41:05     INFO - PID 52004 |     #14 XREMain::XRE_mainRun() /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5736:7 (libxul.so+0xb1f9ffb) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.170+00:00] 10:41:05     INFO - PID 52004 |     #15 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6294:8 (libxul.so+0xb1fbc63) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.170+00:00] 10:41:05     INFO - PID 52004 |     #16 XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6367:21 (libxul.so+0xb1fc56e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.171+00:00] 10:41:05     INFO - PID 52004 |     #17 mozilla::BootstrapImpl::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/obj-build/toolkit/xre/./../../../../checkouts/gecko/toolkit/xre/Bootstrap.cpp:45:12 (libxul.so+0xb20c642) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.172+00:00] 10:41:05     INFO - PID 52004 |     #18 do_main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:269:22 (firefox-bin+0x14b770) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.173+00:00] 10:41:05     INFO - PID 52004 |     #19 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:533:16 (firefox-bin+0x14b770)
[task 2026-06-12T10:41:05.173+00:00] 10:41:05     INFO - PID 52004 |   Mutex M0 (0x72b400029ce0) created at:
[task 2026-06-12T10:41:05.174+00:00] 10:41:05     INFO - PID 52004 |     #0 pthread_mutex_init /builds/worker/fetches/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1394:3 (firefox-bin+0xc8c9c) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.174+00:00] 10:41:05     INFO - PID 52004 |     #1 mozilla::detail::MutexImpl::MutexImpl() /builds/worker/checkouts/gecko/mozglue/misc/Mutex_posix.cpp:73:3 (firefox-bin+0x1b7062) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.175+00:00] 10:41:05     INFO - PID 52004 |     #2 MutexImpl /builds/worker/checkouts/gecko/js/src/threading/Mutex.h:33:3 (libxul.so+0xb73fb01) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.176+00:00] 10:41:05     INFO - PID 52004 |     #3 Mutex /builds/worker/checkouts/gecko/js/src/threading/Mutex.h:69:12 (libxul.so+0xb73fb01)
[task 2026-06-12T10:41:05.176+00:00] 10:41:05     INFO - PID 52004 |     #4 js::gc::GCRuntime::GCRuntime(JSRuntime*) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:571:7 (libxul.so+0xb73fb01)
[task 2026-06-12T10:41:05.177+00:00] 10:41:05     INFO - PID 52004 |     #5 JSRuntime::JSRuntime(JSRuntime*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/Runtime.cpp:119:7 (libxul.so+0xbfd683f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.178+00:00] 10:41:05     INFO - PID 52004 |     #6 js_new<JSRuntime, JSRuntime *&> /builds/worker/workspace/obj-build/dist/include/js/Utility.h:544:1 (libxul.so+0xc1b4605) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.178+00:00] 10:41:05     INFO - PID 52004 |     #7 js::NewContext(unsigned int, JSRuntime*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/JSContext.cpp:176:24 (libxul.so+0xc1b4605)
[task 2026-06-12T10:41:05.179+00:00] 10:41:05     INFO - PID 52004 |     #8 JS_NewContext(unsigned int, JSRuntime*) /builds/worker/workspace/obj-build/js/src/./../../../../checkouts/gecko/js/src/jsapi.cpp:404:10 (libxul.so+0xb2e33a3) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.180+00:00] 10:41:05     INFO - PID 52004 |     #9 mozilla::CycleCollectedJSContext::Initialize(JSRuntime*, unsigned int) /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:126:16 (libxul.so+0x4aa24eb) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.180+00:00] 10:41:05     INFO - PID 52004 |     #10 XPCJSContext::Initialize() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1246:32 (libxul.so+0x4df265c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.181+00:00] 10:41:05     INFO - PID 52004 |     #11 XPCJSContext::NewXPCJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1474:23 (libxul.so+0x4df3877) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.182+00:00] 10:41:05     INFO - PID 52004 |     #12 nsXPConnect::InitJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:137:25 (libxul.so+0x4e4ca0c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.183+00:00] 10:41:05     INFO - PID 52004 |     #13 xpc::InitializeJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:152:35 (libxul.so+0x4e4d3ef) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.183+00:00] 10:41:05     INFO - PID 52004 |     #14 XREMain::XRE_mainRun() /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5736:7 (libxul.so+0xb1f9ffb) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.184+00:00] 10:41:05     INFO - PID 52004 |     #15 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6294:8 (libxul.so+0xb1fbc63) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.185+00:00] 10:41:05     INFO - PID 52004 |     #16 XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6367:21 (libxul.so+0xb1fc56e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.186+00:00] 10:41:05     INFO - PID 52004 |     #17 mozilla::BootstrapImpl::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/obj-build/toolkit/xre/./../../../../checkouts/gecko/toolkit/xre/Bootstrap.cpp:45:12 (libxul.so+0xb20c642) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.186+00:00] 10:41:05     INFO - PID 52004 |     #18 do_main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:269:22 (firefox-bin+0x14b770) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.187+00:00] 10:41:05     INFO - PID 52004 |     #19 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:533:16 (firefox-bin+0x14b770)
[task 2026-06-12T10:41:05.187+00:00] 10:41:05     INFO - PID 52004 |   Mutex M1 (0x72b400029cb8) created at:
[task 2026-06-12T10:41:05.188+00:00] 10:41:05     INFO - PID 52004 |     #0 pthread_mutex_init /builds/worker/fetches/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1394:3 (firefox-bin+0xc8c9c) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.189+00:00] 10:41:05     INFO - PID 52004 |     #1 mozilla::detail::MutexImpl::MutexImpl() /builds/worker/checkouts/gecko/mozglue/misc/Mutex_posix.cpp:73:3 (firefox-bin+0x1b7062) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.189+00:00] 10:41:05     INFO - PID 52004 |     #2 MutexImpl /builds/worker/checkouts/gecko/js/src/threading/Mutex.h:33:3 (libxul.so+0xb73faf5) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.190+00:00] 10:41:05     INFO - PID 52004 |     #3 Mutex /builds/worker/checkouts/gecko/js/src/threading/Mutex.h:69:12 (libxul.so+0xb73faf5)
[task 2026-06-12T10:41:05.191+00:00] 10:41:05     INFO - PID 52004 |     #4 js::gc::GCRuntime::GCRuntime(JSRuntime*) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:570:7 (libxul.so+0xb73faf5)
[task 2026-06-12T10:41:05.191+00:00] 10:41:05     INFO - PID 52004 |     #5 JSRuntime::JSRuntime(JSRuntime*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/Runtime.cpp:119:7 (libxul.so+0xbfd683f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.192+00:00] 10:41:05     INFO - PID 52004 |     #6 js_new<JSRuntime, JSRuntime *&> /builds/worker/workspace/obj-build/dist/include/js/Utility.h:544:1 (libxul.so+0xc1b4605) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.192+00:00] 10:41:05     INFO - PID 52004 |     #7 js::NewContext(unsigned int, JSRuntime*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/JSContext.cpp:176:24 (libxul.so+0xc1b4605)
[task 2026-06-12T10:41:05.193+00:00] 10:41:05     INFO - PID 52004 |     #8 JS_NewContext(unsigned int, JSRuntime*) /builds/worker/workspace/obj-build/js/src/./../../../../checkouts/gecko/js/src/jsapi.cpp:404:10 (libxul.so+0xb2e33a3) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.194+00:00] 10:41:05     INFO - PID 52004 |     #9 mozilla::CycleCollectedJSContext::Initialize(JSRuntime*, unsigned int) /builds/worker/workspace/obj-build/xpcom/base/./../../../../checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:126:16 (libxul.so+0x4aa24eb) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.195+00:00] 10:41:05     INFO - PID 52004 |     #10 XPCJSContext::Initialize() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1246:32 (libxul.so+0x4df265c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.195+00:00] 10:41:05     INFO - PID 52004 |     #11 XPCJSContext::NewXPCJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1474:23 (libxul.so+0x4df3877) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.196+00:00] 10:41:05     INFO - PID 52004 |     #12 nsXPConnect::InitJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:137:25 (libxul.so+0x4e4ca0c) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.197+00:00] 10:41:05     INFO - PID 52004 |     #13 xpc::InitializeJSContext() /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:152:35 (libxul.so+0x4e4d3ef) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.197+00:00] 10:41:05     INFO - PID 52004 |     #14 XREMain::XRE_mainRun() /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5736:7 (libxul.so+0xb1f9ffb) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.198+00:00] 10:41:05     INFO - PID 52004 |     #15 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6294:8 (libxul.so+0xb1fbc63) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.199+00:00] 10:41:05     INFO - PID 52004 |     #16 XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6367:21 (libxul.so+0xb1fc56e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.200+00:00] 10:41:05     INFO - PID 52004 |     #17 mozilla::BootstrapImpl::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/obj-build/toolkit/xre/./../../../../checkouts/gecko/toolkit/xre/Bootstrap.cpp:45:12 (libxul.so+0xb20c642) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.200+00:00] 10:41:05     INFO - PID 52004 |     #18 do_main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:269:22 (firefox-bin+0x14b770) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.201+00:00] 10:41:05     INFO - PID 52004 |     #19 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:533:16 (firefox-bin+0x14b770)
[task 2026-06-12T10:41:05.202+00:00] 10:41:05     INFO - PID 52004 |   Thread T31 'TaskCon~ller #1' (tid=52084, running) created by main thread at:
[task 2026-06-12T10:41:05.202+00:00] 10:41:05     INFO - PID 52004 |     #0 pthread_create /builds/worker/fetches/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1090:3 (firefox-bin+0xc731a) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.203+00:00] 10:41:05     INFO - PID 52004 |     #1 _PR_CreateThread /builds/worker/workspace/obj-build/config/external/nspr/pr/./../../../../../../checkouts/gecko/nsprpub/pr/src/pthreads/ptthread.c:428:10 (libnspr4.so+0x4391e) (BuildId: adf0cc2eb82e717dd2aad68227a3c50d7d28dad9)
[task 2026-06-12T10:41:05.204+00:00] 10:41:05     INFO - PID 52004 |     #2 PR_CreateThread /builds/worker/workspace/obj-build/config/external/nspr/pr/./../../../../../../checkouts/gecko/nsprpub/pr/src/pthreads/ptthread.c:495:10 (libnspr4.so+0x38ba4) (BuildId: adf0cc2eb82e717dd2aad68227a3c50d7d28dad9)
[task 2026-06-12T10:41:05.204+00:00] 10:41:05     INFO - PID 52004 |     #3 mozilla::TaskController::InitializeThreadPool() /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:362:9 (libxul.so+0x4ba39d4) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.205+00:00] 10:41:05     INFO - PID 52004 |     #4 mozilla::TaskController::AddTask(already_AddRefed<mozilla::Task>) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:503:7 (libxul.so+0x4ba41bc) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.206+00:00] 10:41:05     INFO - PID 52004 |     #5 DispatchOffThreadTask(JS::HelperThreadTask*) /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1179:26 (libxul.so+0x4df33e9) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.207+00:00] 10:41:05     INFO - PID 52004 |     #6 js::AutoHelperTaskQueue::dispatchQueuedTasks() /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/HelperThreads.cpp:693:5 (libxul.so+0xc18440f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.207+00:00] 10:41:05     INFO - PID 52004 |     #7 ~AutoHelperTaskQueue /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.h:75:28 (libxul.so+0xb796a93) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.208+00:00] 10:41:05     INFO - PID 52004 |     #8 ~AutoLockHelperThreadState /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.h:89:16 (libxul.so+0xb796a93)
[task 2026-06-12T10:41:05.209+00:00] 10:41:05     INFO - PID 52004 |     #9 js::Nursery::sweepBuffers() /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Nursery.cpp:1886:1 (libxul.so+0xb796a93)
[task 2026-06-12T10:41:05.209+00:00] 10:41:05     INFO - PID 52004 |     #10 js::Nursery::sweep() /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Nursery.cpp:2028:3 (libxul.so+0xb7946e9) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.210+00:00] 10:41:05     INFO - PID 52004 |     #11 js::Nursery::doCollection(js::gc::AutoGCSession&, JS::GCOptions, JS::GCReason) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Nursery.cpp:1579:3 (libxul.so+0xb792929) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.211+00:00] 10:41:05     INFO - PID 52004 |     #12 js::Nursery::collect(JS::GCOptions, JS::GCReason) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Nursery.cpp:1409:31 (libxul.so+0xb791893) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.211+00:00] 10:41:05     INFO - PID 52004 |     #13 js::gc::GCRuntime::collectNursery(JS::GCOptions, JS::GCReason, js::gcstats::PhaseKind) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:5505:13 (libxul.so+0xb758284) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.212+00:00] 10:41:05     INFO - PID 52004 |     #14 js::gc::GCRuntime::minorGC(JS::GCReason, js::gcstats::PhaseKind) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:5474:3 (libxul.so+0xb7459c1) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.213+00:00] 10:41:05     INFO - PID 52004 |     #15 void* js::gc::CellAllocator::RetryNurseryAlloc<(js::AllowGC)1>(JSContext*, JS::TraceKind, js::gc::AllocKind, unsigned long, js::gc::AllocSite*) /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/Allocator.cpp:105:23 (libxul.so+0xb71530f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.214+00:00] 10:41:05     INFO - PID 52004 |     #16 AllocNurseryOrTenuredCell<(JS::TraceKind)0, (js::AllowGC)1> /builds/worker/checkouts/gecko/js/src/gc/Allocator-inl.h:243:12 (libxul.so+0xb3c8fba) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.214+00:00] 10:41:05     INFO - PID 52004 |     #17 NewObject<js::NativeObject, (js::AllowGC)1> /builds/worker/checkouts/gecko/js/src/gc/Allocator-inl.h:134:16 (libxul.so+0xb3c8fba)
[task 2026-06-12T10:41:05.215+00:00] 10:41:05     INFO - PID 52004 |     #18 NewCell<js::NativeObject, (js::AllowGC)1, js::gc::AllocKind &, js::gc::Heap &, const JSClass *&, js::gc::AllocSite *&> /builds/worker/checkouts/gecko/js/src/gc/Allocator-inl.h:51:12 (libxul.so+0xb3c8fba)
[task 2026-06-12T10:41:05.216+00:00] 10:41:05     INFO - PID 52004 |     #19 newCell<js::NativeObject, (js::AllowGC)1, js::gc::AllocKind &, js::gc::Heap &, const JSClass *&, js::gc::AllocSite *&> /builds/worker/checkouts/gecko/js/src/vm/JSContext-inl.h:377:10 (libxul.so+0xb3c8fba)
[task 2026-06-12T10:41:05.216+00:00] 10:41:05     INFO - PID 52004 |     #20 js::NativeObject::create(JSContext*, js::gc::AllocKind, js::gc::Heap, JS::Handle<js::SharedShape*>, js::gc::AllocSite*) /builds/worker/checkouts/gecko/js/src/vm/NativeObject-inl.h:491:28 (libxul.so+0xb3c8fba)
[task 2026-06-12T10:41:05.217+00:00] 10:41:05     INFO - PID 52004 |     #21 create<js::LexicalEnvironmentObject> /builds/worker/checkouts/gecko/js/src/vm/NativeObject.h:805:26 (libxul.so+0xc13c9d4) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.218+00:00] 10:41:05     INFO - PID 52004 |     #22 CreateEnvironmentObject<js::LexicalEnvironmentObject> /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/EnvironmentObject.cpp:96:10 (libxul.so+0xc13c9d4)
[task 2026-06-12T10:41:05.218+00:00] 10:41:05     INFO - PID 52004 |     #23 create /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/EnvironmentObject.cpp:1034:7 (libxul.so+0xc13c9d4)
[task 2026-06-12T10:41:05.219+00:00] 10:41:05     INFO - PID 52004 |     #24 js::BlockLexicalEnvironmentObject::create(JSContext*, JS::Handle<js::LexicalScope*>, JS::Handle<JSObject*>, js::gc::Heap, js::gc::AllocSite*) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/EnvironmentObject.cpp:1066:7 (libxul.so+0xc13c9d4)
[task 2026-06-12T10:41:05.220+00:00] 10:41:05     INFO - PID 52004 |     #25 js::BlockLexicalEnvironmentObject::createForFrame(JSContext*, JS::Handle<js::LexicalScope*>, js::AbstractFramePtr) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/EnvironmentObject.cpp:1085:10 (libxul.so+0xc13cfa3) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.220+00:00] 10:41:05     INFO - PID 52004 |     #26 js::InterpreterFrame::pushLexicalEnvironment(JSContext*, JS::Handle<js::LexicalScope*>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/Stack.cpp:257:7 (libxul.so+0xc026be5) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.221+00:00] 10:41:05     INFO - PID 52004 |     #27 js::Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:4082:23 (libxul.so+0xbf5c677) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.222+00:00] 10:41:05     INFO - PID 52004 |     #28 MaybeEnterInterpreterTrampoline /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:392:10 (libxul.so+0xbf42a66) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.222+00:00] 10:41:05     INFO - PID 52004 |     #29 js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:468:13 (libxul.so+0xbf42a66)
[task 2026-06-12T10:41:05.223+00:00] 10:41:05     INFO - PID 52004 |     #30 js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:626:13 (libxul.so+0xbf43363) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.224+00:00] 10:41:05     INFO - PID 52004 |     #31 InternalCall /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:661:10 (libxul.so+0xbf43e92) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.224+00:00] 10:41:05     INFO - PID 52004 |     #32 js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:693:8 (libxul.so+0xbf43e92)
[task 2026-06-12T10:41:05.225+00:00] 10:41:05     INFO - PID 52004 |     #33 JS_CallFunctionValue(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/vm/./../../../../../checkouts/gecko/js/src/vm/CallAndConstruct.cpp:53:10 (libxul.so+0xc11310d) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.226+00:00] 10:41:05     INFO - PID 52004 |     #34 nsXPCWrappedJS::CallMethod(unsigned short, nsXPTMethodInfo const*, nsXPTCMiniVariant*) /builds/worker/workspace/obj-build/js/xpconnect/src/./../../../../../checkouts/gecko/js/xpconnect/src/XPCWrappedJSClass.cpp:917:17 (libxul.so+0x4e2fd2f) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.227+00:00] 10:41:05     INFO - PID 52004 |     #35 PrepareAndDispatch /builds/worker/checkouts/gecko/xpcom/reflect/xptcall/md/unix/xptcstubs_x86_64_linux.cpp:114:37 (libxul.so+0x4be85bc) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.227+00:00] 10:41:05     INFO - PID 52004 |     #36 SharedStub xptcstubs_x86_64_linux.cpp (libxul.so+0x4be7862) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.228+00:00] 10:41:05     INFO - PID 52004 |     #37 XREMain::XRE_mainRun() /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5804:18 (libxul.so+0xb1fa3bc) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.229+00:00] 10:41:05     INFO - PID 52004 |     #38 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6294:8 (libxul.so+0xb1fbc63) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.230+00:00] 10:41:05     INFO - PID 52004 |     #39 XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:6367:21 (libxul.so+0xb1fc56e) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.231+00:00] 10:41:05     INFO - PID 52004 |     #40 mozilla::BootstrapImpl::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/obj-build/toolkit/xre/./../../../../checkouts/gecko/toolkit/xre/Bootstrap.cpp:45:12 (libxul.so+0xb20c642) (BuildId: cf4fc95d734e4fea1778497ebae85ba88a68b71c)
[task 2026-06-12T10:41:05.231+00:00] 10:41:05     INFO - PID 52004 |     #41 do_main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:269:22 (firefox-bin+0x14b770) (BuildId: fcccf2427214442bc03593d6d238022e78a1934a)
[task 2026-06-12T10:41:05.232+00:00] 10:41:05     INFO - PID 52004 |     #42 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:533:16 (firefox-bin+0x14b770)
[task 2026-06-12T10:41:05.233+00:00] 10:41:05     INFO - PID 52004 | SUMMARY: ThreadSanitizer: data race /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:2673:14 in js::gc::GCRuntime::sweepZones(JS::GCContext*, bool)
[task 2026-06-12T10:41:05.233+00:00] 10:41:05     INFO - PID 52004 | ==================
[task 2026-06-12T10:41:05.259+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.260+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.261+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.261+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.262+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.264+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.264+00:00] 10:41:05     INFO - IOError on command, setting status to CRASH
[task 2026-06-12T10:41:05.265+00:00] 10:41:05     INFO - PID 52004 | Exiting due to channel error.
[task 2026-06-12T10:41:05.266+00:00] 10:41:05     INFO - TEST-UNEXPECTED-CRASH | /workers/constructors/SharedWorker/SharedWorker-constructor.html | expected OK
[task 2026-06-12T10:41:05.266+00:00] 10:41:05     INFO - TEST-INFO took 638ms
[task 2026-06-12T10:41:06.303+00:00] 10:41:06     INFO - Browser exited with return code -6
[task 2026-06-12T10:41:06.304+00:00] 10:41:06     INFO - Closing logging queue
[task 2026-06-12T10:41:06.304+00:00] 10:41:06     INFO - queue closed
[task 2026-06-12T10:41:06.318+00:00] 10:41:06     INFO - INFO | runtests.py | TSan using symbolizer at /builds/worker/workspace/build/application/firefox/llvm-symbolizer
[task 2026-06-12T10:41:06.319+00:00] 10:41:06     INFO - Application command: /builds/worker/workspace/build/application/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmpnhsjay8h
[task 2026-06-12T10:41:06.333+00:00] 10:41:06     INFO - PID 52509 | libEGL warning: DRI3: Screen seems not DRI3 capable
[task 2026-06-12T10:41:06.333+00:00] 10:41:06     INFO - PID 52509 | libEGL warning: DRI3: Screen seems not DRI3 capable
[task 2026-06-12T10:41:06.334+00:00] 10:41:06     INFO - PID 52509 | 1781260859210	Marionette	INFO	Marionette enabled
[task 2026-06-12T10:41:06.335+00:00] 10:41:06     INFO - PID 52509 | MESA: error: ZINK: failed to choose pdev
[task 2026-06-12T10:41:06.335+00:00] 10:41:06     INFO - PID 52509 | libEGL warning: egl: failed to create dri2 screen
[task 2026-06-12T10:41:06.336+00:00] 10:41:06     INFO - PID 52509 | 1781260860031	Marionette	INFO	Listening on port 58343
[task 2026-06-12T10:41:06.336+00:00] 10:41:06     INFO - PID 52509 | warning: address range table at offset 0x78970 has a premature terminator entry at offset 0x789c0
[task 2026-06-12T10:41:06.337+00:00] 10:41:06     INFO - PID 52509 | warning: address range table at offset 0x7cc20 has a premature terminator entry at offset 0x7cda0
[task 2026-06-12T10:41:06.338+00:00] 10:41:06     INFO - PID 52509 | warning: address range table at offset 0x7cc20 has a premature terminator entry at offset 0x7cde0
[task 2026-06-12T10:41:06.338+00:00] 10:41:06     INFO - PID 52509 | warning: address range table at offset 0x7cc20 has a premature terminator entry at offset 0x7ce90
[task 2026-06-12T10:41:06.339+00:00] 10:41:06     INFO - Starting runner
[task 2026-06-12T10:41:08.585+00:00] 10:41:08     INFO - PID 52509 | /builds/worker/workspace/build/application/firefox/llvm-symbolizer: error: '[anon:js-executable-memory]': No such file or directory
[task 2026-06-12T10:41:09.466+00:00] 10:41:09     INFO - PID 52509 | console.error: services.settings:
[task 2026-06-12T10:41:09.472+00:00] 10:41:09     INFO - PID 52509 |   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
[task 2026-06-12T10:41:09.472+00:00] 10:41:09     INFO - PID 52509 |   Stack:
[task 2026-06-12T10:41:09.473+00:00] 10:41:09     INFO - PID 52509 |     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
[task 2026-06-12T10:41:09.474+00:00] 10:41:09     INFO - PID 52509 | list@resource://services-settings/Database.sys.mjs:96:13
[task 2026-06-12T10:41:13.766+00:00] 10:41:13     INFO - TEST-START | /workers/constructors/SharedWorker/connect-event.html

Andrew McCreight [:mccr8]

Comment 1

•

5 months ago

Not a frequent race it looks like, so I'll put it at sec-moderate.

Keywords: csectype-race, sec-moderate

Andrew McCreight [:mccr8]

Updated

•

5 months ago

Group: core-security → javascript-core-security

Steven DeTar [:sdetar]

Updated

•

4 months ago

Blocks: sm-security, GC

Severity: -- → S3

Priority: -- → P3

Jon Coppeard (:jonco)

Updated

•

4 months ago

Status: NEW → RESOLVED

Closed: 4 months ago

Duplicate of bug: 2046916

Resolution: --- → DUPLICATE

Daniel Veditz [:dveditz]

Updated

•

1 month ago

Group: javascript-core-security

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Bugzilla

Intermittent SUMMARY: ThreadSanitizer: data race /builds/worker/workspace/obj-build/js/src/gc/./../../../../../checkouts/gecko/js/src/gc/GC.cpp:X:14 in js::gc::GCRuntime::sweepZones(JS::GCContext*, bool)

Categories

(Core :: JavaScript: GC, defect, P3)

Tracking

()

People

(Reporter: intermittent-bug-filer, Unassigned)

References

(Blocks 2 open bugs)

Details

(Keywords: csectype-race, intermittent-failure, sec-moderate)

Crash Data

Security

(public)

User Story

Description

Comment 1

Updated

Updated

Updated

Updated