196477 2019-04-01 19:46:02 -0700 REGRESSION (r243642): com.apple.JavaScriptCore crash in JSC::RegExpObject::execInline 2019-04-03 16:51:19 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 msaboff msaboff commit-queue ews-watchlist keith_miller mark.lam saam webkit-bug-importer oldest_to_newest 1523183 0 msaboff 2019-04-01 19:46:02 -0700 The following crash is seen with layout test js/regexp-unicode.html when using GuardMalloc: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 ??? 0x000000010b33e7f5 0 + 4482918389 1 com.apple.JavaScriptCore 0x0000000463c56d71 JSC::RegExpObject::execInline(JSC::ExecState*, JSC::JSGlobalObject*, JSC::JSString*) + 881 2 ??? 0x000000010b2fb16b 0 + 4482642283 3 com.apple.JavaScriptCore 0x00000004638ab8e7 llint_entry + 62084 4 com.apple.JavaScriptCore 0x000000046389c4b9 vmEntryToJavaScript + 200 5 com.apple.JavaScriptCore 0x00000004635fb3a7 JSC::Interpreter::execute(JSC::EvalExecutable*, JSC::ExecState*, JSC::JSValue, JSC::JSScope*) + 2279 6 com.apple.JavaScriptCore 0x00000004635f741c JSC::eval(JSC::ExecState*) + 764 7 com.apple.JavaScriptCore 0x0000000463ea2fc6 operationCallEval + 102 8 ??? 0x000000010b33a236 0 + 4482900534 9 com.apple.JavaScriptCore 0x00000004638ab8e7 llint_entry + 62084 10 com.apple.JavaScriptCore 0x000000046389c4b9 vmEntryToJavaScript + 200 11 com.apple.JavaScriptCore 0x0000000463e0de10 JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::ExecState*, JSC::JSObject*) + 11280 ... 1523184 1 msaboff 2019-04-01 19:46:16 -0700 <rdar://problem/49482267> 1523208 2 366467 msaboff 2019-04-01 20:38:13 -0700 Created attachment 366467 Patch 1523221 3 366467 ap 2019-04-01 21:04:08 -0700 Comment on attachment 366467 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=366467&action=review > Source/JavaScriptCore/yarr/YarrJIT.cpp:1852 > +#if 0 // def JIT_UNICODE_EXPRESSIONS Is this intentional? 1523225 4 msaboff 2019-04-01 21:43:36 -0700 (In reply to Alexey Proskuryakov from comment #3) > Comment on attachment 366467 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=366467&action=review > > > Source/JavaScriptCore/yarr/YarrJIT.cpp:1852 > > +#if 0 // def JIT_UNICODE_EXPRESSIONS > > Is this intentional? No. It is a hold over from testing. I'll remove and repost. 1523227 5 366470 msaboff 2019-04-01 21:47:09 -0700 Created attachment 366470 Updated patch 1524023 6 366470 keith_miller 2019-04-03 16:22:45 -0700 Comment on attachment 366470 Updated patch r=me. 1524049 7 366470 commit-queue 2019-04-03 16:51:17 -0700 Comment on attachment 366470 Updated patch Clearing flags on attachment: 366470 Committed r243839: <https://trac.webkit.org/changeset/243839> 1524050 8 commit-queue 2019-04-03 16:51:19 -0700 All reviewed patches have been landed. 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