1150046 - crash in JS_NewStringCopyZ(JSContext*, char const*) | `anonymous namespace''::CreateJSHangStack

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Tracy Walker [:tracy]]

This crash began happening on 20150322 it peaked in volume on the 25/26 of March.  It's currently a top 10 crasher on Nightly.   99% of the crash reports are from 39.0a1.  Perhaps the main cause was fixed elsewhere?  Will keep an eye on it before requesting tracking.

This bug was filed from the Socorro interface and is 
report bp-03a55f9f-b16a-4c09-a319-87ccc2150325.
=============================================================

Frame 	Module 	Signature 	Source
0 	xul.dll 	JS_NewStringCopyZ(JSContext*, char const*) 	js/src/jsapi.cpp
1 	xul.dll 	`anonymous namespace'::CreateJSHangStack 	toolkit/components/telemetry/Telemetry.cpp
2 	xul.dll 	`anonymous namespace'::CreateJSHangHistogram 	toolkit/components/telemetry/Telemetry.cpp
3 	xul.dll 	`anonymous namespace'::CreateJSThreadHangStats 	toolkit/components/telemetry/Telemetry.cpp
4 	xul.dll 	`anonymous namespace'::TelemetryImpl::GetThreadHangStats(JSContext*, JS::MutableHandle<JS::Value>) 	toolkit/components/telemetry/Telemetry.cpp
5 	xul.dll 	XPTC__InvokebyIndex 	xpcom/reflect/xptcall/md/win32/xptcinvoke_asm_x86_64.asm
6 		@0x7aa25f 	
7 	xul.dll 	CallMethodHelper::CallMethodHelper(XPCCallContext&) 	js/xpconnect/src/XPCWrappedNative.cpp
8 	xul.dll 	XPC_WN_GetterSetter(JSContext*, unsigned int, JS::Value*) 	js/xpconnect/src/XPCWrappedNativeJSOps.cpp
9 	xul.dll 	js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) 	js/src/vm/Interpreter.cpp
10 	xul.dll 	js::Invoke(JSContext*, JS::Value const&, JS::Value const&, unsigned int, JS::Value const*, JS::MutableHandle<JS::Value>) 	js/src/vm/Interpreter.cpp
11 	xul.dll 	js::GetProperty(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<jsid>, JS::MutableHandle<JS::Value>) 	js/src/vm/NativeObject.h
12 	xul.dll 	GetPropertyOperation 	js/src/vm/Interpreter.cpp
13 	xul.dll 	Interpret 	js/src/vm/Interpreter.cpp
14 	xul.dll 	js::RunScript(JSContext*, js::RunState&) 	js/src/vm/Interpreter.cpp
15 	xul.dll 	js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) 	js/src/vm/Interpreter.cpp
16 	xul.dll 	Interpret 	js/src/vm/Interpreter.cpp
17 	xul.dll 	js::RunScript(JSContext*, js::RunState&) 	js/src/vm/Interpreter.cpp
18 	xul.dll 	js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) 	js/src/vm/Interpreter.cpp
19 	xul.dll 	js::CrossCompartmentWrapper::call(JSContext*, JS::Handle<JSObject*>, JS::CallArgs const&) 	js/src/proxy/CrossCompartmentWrapper.cpp
20 	xul.dll 	js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) 	js/src/vm/Interpreter.cpp
21 	xul.dll 	js::Invoke(JSContext*, JS::Value const&, JS::Value const&, unsigned int, JS::Value const*, JS::MutableHandle<JS::Value>) 	js/src/vm/Interpreter.cpp
22 	xul.dll 	js::jit::DoCallFallback 	js/src/jit/BaselineIC.cpp
23 		@0x21372bc

Comment 1

[Wayne Mery (:wsmwk)]

crash rate essentially zero, so not a topcrash for 
https://crash-stats.mozilla.com/signature/?signature=JS_NewStringCopyZ%20%7C%20%60anonymous%20namespace%27%27%3A%3ACreateJSHangStack
https://crash-stats.mozilla.com/signature/?signature=JS_NewStringCopyZ(JSContext*%2C%20char%20const*)%20%7C%20%60anonymous%20namespace%27%27%3A%3ACreateJSHangStack

Any problem with closing this?