2041307 - Crash in [@ js::BarrieredBase<T>::unbarrieredSet]

Status: NEW

(Core :: JavaScript Engine, defect, P3)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

Firefox crash new in version 151. In total 28 crash reports including from development versions.

Jonco: Is this new or a signature change from bug 2025288?

Crash report: https://crash-stats.mozilla.org/report/index/d4fc6d5c-d6e1-465f-82ed-e117e0260521

Reason:

EXCEPTION_ACCESS_VIOLATION_WRITE

Top 10 frames:

0  xul.dll  js::BarrieredBase<JSFunction*>::unbarrieredSet(JSFunction* const&)  js/src/gc/Barrier.h:494
0  xul.dll  js::gc::BarrieredPtrImpl<JSFunction*, 11>::init(JSFunction* const&)  js/src/gc/Barrier.h:594
0  xul.dll  js::FunctionScope::initCanonicalFunction(JSFunction*)  js/src/vm/Scope.h:746
0  xul.dll  JSScript::fullyInitFromStencil(JSContext*, js::frontend::CompilationAtomCache...  js/src/vm/JSScript.cpp:2672
0  xul.dll  JSScript::fromStencil(JSContext*, js::frontend::CompilationAtomCache&, js::fr...  js/src/vm/JSScript.cpp:2729
0  xul.dll  InstantiateScriptStencils(JSContext*, js::frontend::CompilationAtomCache&, js...  js/src/frontend/Stencil.cpp:2394
0  xul.dll  js::frontend::CompilationStencil::instantiateStencilAfterPreparation(JSContex...  js/src/frontend/Stencil.cpp:2896
1  xul.dll  js::frontend::CompilationStencil::instantiateStencils(JSContext*, js::fronten...  js/src/frontend/Stencil.cpp:2807
2  xul.dll  js::frontend::InitialStencilAndDelazifications::instantiateStencils(JSContext...  js/src/frontend/Stencil.cpp:4138
2  xul.dll  InstantiateStencilsImpl<js::frontend::InitialStencilAndDelazifications>(JSCon...  js/src/frontend/BytecodeCompiler.cpp:469

Comment 1

[Jon Coppeard (:jonco)]

Started happening on March 24 right when bug 2025288 landed so timing is right.

Only three crashes have the stack trace above. The others are a bunch of different things. This is probably the usual bad hardware issue.