Assertion `valueStringLiteralData.getTagInFirstDataArea() == 0x3' failed in Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral

[renatahodovan]

Escargot version:

Checked revision: 958b293

Build command: cmake -H. -Bout -DESCARGOT_HOST=linux -DESCARGOT_ARCH=x64 -DESCARGOT_MODE=debug -DESCARGOT_OUTPUT=bin -GNinja && ninja -C out

OS:

Linux-4.15.0-48-generic-x86_64-with-Ubuntu-18.04-bionic

Test case:

var $ = class {
*

Backtrace:

escargot: ../src/parser/Lexer.cpp:511: Escargot::StringView Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral(): Assertion `valueStringLiteralData.getTagInFirstDataArea() == 0x3' failed.

bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007ffff6466801 in __GI_abort () at abort.c:79
#2  0x00007ffff645639a in __assert_fail_base (fmt=0x7ffff65dd7d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x5555558366d0 "valueStringLiteralData.getTagInFirstDataArea() == 0x3", file=file@entry=0x55555583662c "../src/parser/Lexer.cpp", line=line@entry=511, function=function@entry=0x5555558376a0 <Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral()::__PRETTY_FUNCTION__> "Escargot::StringView Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral()") at assert.c:92
#3  0x00007ffff6456412 in __GI___assert_fail (assertion=0x5555558366d0 "valueStringLiteralData.getTagInFirstDataArea() == 0x3", file=0x55555583662c "../src/parser/Lexer.cpp", line=511, function=0x5555558376a0 <Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral()::__PRETTY_FUNCTION__> "Escargot::StringView Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral()") at assert.c:101
#4  0x000055555561b824 in Escargot::EscargotLexer::Scanner::ScannerResult::valueStringLiteral (this=0x7fffffffd478) at ../src/parser/Lexer.cpp:511
#5  0x000055555565a852 in Escargot::esprima::Parser::parseClassElement (this=0x7fffffff9d30, constructor=0x7fffffff8d48) at ../src/parser/esprima_cpp/esprima.cpp:5676
#6  0x000055555565aff6 in Escargot::esprima::Parser::parseClassBody (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:5724
#7  0x000055555565b422 in Escargot::esprima::Parser::parseClassProperties (this=0x7fffffff9d30, identifierIsOptional=true) at ../src/parser/esprima_cpp/esprima.cpp:5761
#8  0x000055555565b775 in Escargot::esprima::Parser::parseClassExpression (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:5776
#9  0x0000555555694de2 in Escargot::esprima::Parser::primaryExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:1151
#10 0x0000555555677082 in Escargot::esprima::Parser::inheritCoverGrammar<Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)()> (this=0x7fffffff9d30, parseFunction=(Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)(Escargot::esprima::Parser * const)) 0x555555693de2 <Escargot::esprima::Parser::primaryExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true>()>) at ../src/parser/esprima_cpp/esprima.cpp:896
#11 0x00005555556837ea in Escargot::esprima::Parser::leftHandSideExpressionAllowCall<Escargot::esprima::Parser::PassNode<Escargot::Node>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:2342
#12 0x0000555555677082 in Escargot::esprima::Parser::inheritCoverGrammar<Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)()> (this=0x7fffffff9d30, parseFunction=(Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)(Escargot::esprima::Parser * const)) 0x5555556835ee <Escargot::esprima::Parser::leftHandSideExpressionAllowCall<Escargot::esprima::Parser::PassNode<Escargot::Node>, true>()>) at ../src/parser/esprima_cpp/esprima.cpp:896
#13 0x000055555568d298 in Escargot::esprima::Parser::updateExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:2596
#14 0x0000555555676d2c in Escargot::esprima::Parser::unaryExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:2802
#15 0x0000555555677082 in Escargot::esprima::Parser::inheritCoverGrammar<Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)()> (this=0x7fffffff9d30, parseFunction=(Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)(Escargot::esprima::Parser * const)) 0x555555675f9c <Escargot::esprima::Parser::unaryExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true>()>) at ../src/parser/esprima_cpp/esprima.cpp:896
#16 0x0000555555652311 in Escargot::esprima::Parser::parseExponentiationExpression (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:2808
#17 0x0000555555677be6 in Escargot::esprima::Parser::inheritCoverGrammar<JSC::Yarr::PassRefPtr<Escargot::Node> (Escargot::esprima::Parser::*)()> (this=0x7fffffff9d30, parseFunction=(JSC::Yarr::PassRefPtr<Escargot::Node> (Escargot::esprima::Parser::*)(Escargot::esprima::Parser * const)) 0x5555556522b0 <Escargot::esprima::Parser::parseExponentiationExpression()>) at ../src/parser/esprima_cpp/esprima.cpp:896
#18 0x0000555555652763 in Escargot::esprima::Parser::parseBinaryExpression (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:2916
#19 0x0000555555677be6 in Escargot::esprima::Parser::inheritCoverGrammar<JSC::Yarr::PassRefPtr<Escargot::Node> (Escargot::esprima::Parser::*)()> (this=0x7fffffff9d30, parseFunction=(JSC::Yarr::PassRefPtr<Escargot::Node> (Escargot::esprima::Parser::*)(Escargot::esprima::Parser * const)) 0x5555556526d8 <Escargot::esprima::Parser::parseBinaryExpression()>) at ../src/parser/esprima_cpp/esprima.cpp:896
#20 0x000055555568a513 in Escargot::esprima::Parser::conditionalExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:3227
#21 0x0000555555671e41 in Escargot::esprima::Parser::assignmentExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:3384
#22 0x000055555567317e in Escargot::esprima::Parser::isolateCoverGrammar<Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)()> (this=0x7fffffff9d30, parseFunction=(Escargot::esprima::Parser::PassNode<Escargot::Node> (Escargot::esprima::Parser::*)(Escargot::esprima::Parser * const)) 0x555555671d32 <Escargot::esprima::Parser::assignmentExpression<Escargot::esprima::Parser::PassNode<Escargot::Node>, true>()>) at ../src/parser/esprima_cpp/esprima.cpp:802
#23 0x0000555555678954 in Escargot::esprima::Parser::variableDeclaration<Escargot::esprima::Parser::PassNode<Escargot::VariableDeclaratorNode>, true> (this=0x7fffffff9d30, options=...) at ../src/parser/esprima_cpp/esprima.cpp:4061
#24 0x00005555556553c3 in Escargot::esprima::Parser::parseVariableDeclarationList (this=0x7fffffff9d30, options=...) at ../src/parser/esprima_cpp/esprima.cpp:4082
#25 0x0000555555655634 in Escargot::esprima::Parser::parseVariableStatement (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:4110
#26 0x0000555555656e21 in Escargot::esprima::Parser::parseStatement (this=0x7fffffff9d30, allowFunctionDeclaration=true) at ../src/parser/esprima_cpp/esprima.cpp:5026
#27 0x0000555555679c30 in Escargot::esprima::Parser::statementListItem<Escargot::esprima::Parser::PassNode<Escargot::StatementNode>, true> (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:3690
#28 0x000055555565b9e1 in Escargot::esprima::Parser::parseProgram (this=0x7fffffff9d30) at ../src/parser/esprima_cpp/esprima.cpp:5791
#29 0x000055555565bd49 in Escargot::esprima::parseProgram (ctx=0x7ffff7e5bed0, source=..., strictFromOutside=false, stackRemain=18446744073709551615) at ../src/parser/esprima_cpp/esprima.cpp:6043
#30 0x00005555556284d9 in Escargot::ScriptParser::parse (this=0x7ffff7e52f70, scriptSource=..., fileName=0x7ffff46296b0, parentCodeBlock=0x0, strictFromOutside=false, isEvalCodeInFunction=false, stackSizeRemain=18446744073709551615) at ../src/parser/ScriptParser.cpp:165
#31 0x00005555555ca156 in Escargot::ScriptParser::parse (this=0x7ffff7e52f70, script=0x7ffff46297f0, fileName=0x7ffff46296b0, strictFromOutside=false, isEvalCodeInFunction=false, stackSizeRemain=18446744073709551615) at ../src/parser/ScriptParser.h:63
#32 0x00005555557dbc56 in eval (context=0x7ffff7e5bed0, str=0x7ffff46297f0, fileName=0x7ffff46296b0, shouldPrintScriptResult=false) at ../src/shell/Shell.cpp:38
#33 0x00005555557dc631 in main (argc=2, argv=0x7fffffffdca8) at ../src/shell/Shell.cpp:128

^{Found by Fuzzinator.}

[renatahodovan]

Fixed by #203