NEW185645
null pointer in JSC::jsSubstringOfResolved 
https://bugs.webkit.org/show_bug.cgi?id=185645
Summary null pointer in JSC::jsSubstringOfResolved
zhunkibatu
Reported 2018-05-15 01:16:52 PDT
Created attachment 340396 [details] poc.js 1 0x7f7beb34ef40 WTFCrash 2 0x7f7be93c88f9 JSC::jsSubstringOfResolved(JSC::VM&, JSC::GCDeferralContext*, JSC::JSString*, unsigned int, unsigned int) 3 0x7f7be9398ee3 JSC::RegExpObject::execInline(JSC::ExecState*, JSC::JSGlobalObject*, JSC::JSString*) 4 0x7f7ba1cfe185 Illegal instruction
Attachments
poc.js (59 bytes, application/javascript)
2018-05-15 01:16 PDT, zhunkibatu 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Alexey Proskuryakov
Comment 1 2018-05-17 12:50:08 PDT
I cannot reproduce this. Could you please attach a crash log? The version field says Safari 10. That version is old. Does this reproduce for you with Safari 11.1?
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