569578 - Firefox crash [@ js_NewRegExp ]

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[chris hofmann]

spotted while looking at 3.6.4 crash data, but this has been around for awhile

checking --- js_NewRegExp 20100601-crashdata.csv
found in: 3.6.3 3.5.9 3.6.4 3.6b1 3.6 3.0.7 3.0.19 3.0.11
release total-crashes
              js_NewRegExp crashes
                         pct.
all     378282  74      0.000195621
3.6.3   263581  57      0.000216252
3.5.9   32991   9       0.000272802
3.6.4   24694   3       0.000121487
3.6b1   606     1       0.00165017
3.6     12569   1       7.95608e-05
3.0.7   405     1       0.00246914
3.0.19  11711   1       8.53898e-05
3.0.11  512     1       0.00195312

stacks vary so there might be more than one bug here.   stacks also look a bit like random ornage bugs 560153 and bug 566071

http://crash-stats.mozilla.com/report/index/e2294b3e-6201-48c4-93c2-81b692100601

Frame  	Module  	Signature [Expand]  	Source
0 	js3250.dll 	js_NewRegExp 	js/src/jsregexp.cpp:3374
1 	js3250.dll 	js_NewRegExpObject 	js/src/jsregexp.cpp:5809
2 	js3250.dll 	PrimaryExpr 	js/src/jsparse.cpp:8228
3 	js3250.dll 	MemberExpr 	js/src/jsparse.cpp:6801
4 	js3250.dll 	UnaryExpr 	js/src/jsparse.cpp:6165
5 	js3250.dll 	AssignExpr 	js/src/jsparse.cpp:5739
6 	js3250.dll 	Variables 	js/src/jsparse.cpp:5637
7 	js3250.dll 	Statement 	js/src/jsparse.cpp:5225
8 	js3250.dll 	Statements 	js/src/jsparse.cpp:2927
9 	js3250.dll 	FunctionBody 	js/src/jsparse.cpp:1199
10 	js3250.dll 	FunctionDef 	js/src/jsparse.cpp:2758
11 	js3250.dll 	Statement 	js/src/jsparse.cpp:4371
12 	js3250.dll 	JSCompiler::compileScript 	js/src/jsparse.cpp:897
13 	js3250.dll 	JS_EvaluateUCScriptForPrincipals 	js/src/jsapi.cpp:5065
14 	xul.dll 	nsJSContext::EvaluateString 	dom/base/nsJSEnvironment.cpp:1748
15 	xul.dll 	nsScriptLoader::EvaluateScript 	content/base/src/nsScriptLoader.cpp:711
16 	xul.dll 	nsScriptLoader::ProcessRequest 	content/base/src/nsScriptLoader.cpp:625
17 	xul.dll 	nsCOMArray_base::RemoveObject 	obj-firefox/xpcom/build/nsCOMArray.cpp:129
18 	shell32.dll 	_imp_load__SetGadgetBufferInfo 	

more at

http://crash-stats.mozilla.com/report/list?signature=js_NewRegExp

Comment 1

[chris hofmann]

os breakdown
js_NewRegExpTotal 73
Win5.1  0.79
Win6.0  0.10
Win6.1  0.07
Mac10.4 0.00
Mac10.5 0.04
Mac10.6 0.00
Lin2.4  0.00

Comment 2

[Wayne Mery (:wsmwk)]

nothing in crash-stats for this sig (or substring of sig) in past month (all are version 3.x)