Assertion isFunctionObject() in Escargot::PointerValue::asFunctionObject

[renatahodovan]

Escargot version:

Checked revision: 106b9c8
Build command: cmake -H. -Bout -DESCARGOT_HOST=linux -DESCARGOT_ARCH=x64 -DESCARGOT_MODE=debug -DESCARGOT_OUTPUT=bin -GNinja && ninja -C out

OS:

Linux-4.15.0-51-generic-x86_64-with-Ubuntu-18.04-bionic

Test case:

EvalError.bind( ).call( )

Backtrace:

escargot: ../src/runtime/PointerValue.h:287: Escargot::FunctionObject* Escargot::PointerValue::asFunctionObject(): Assertion `isFunctionObject()' 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=0x5555558420c4 "isFunctionObject()", file=file@entry=0x555555842075 "../src/runtime/PointerValue.h", line=line@entry=287, function=function@entry=0x555555843060 <Escargot::PointerValue::asFunctionObject()::__PRETTY_FUNCTION__> "Escargot::FunctionObject* Escargot::PointerValue::asFunctionObject()") at assert.c:92
#3  0x00007ffff6456412 in __GI___assert_fail (assertion=0x5555558420c4 "isFunctionObject()", file=0x555555842075 "../src/runtime/PointerValue.h", line=287, function=0x555555843060 <Escargot::PointerValue::asFunctionObject()::__PRETTY_FUNCTION__> "Escargot::FunctionObject* Escargot::PointerValue::asFunctionObject()") at assert.c:101
#4  0x00005555555cd85c in Escargot::PointerValue::asFunctionObject (this=0x7ffff4612970) at ../src/runtime/PointerValue.h:287
#5  0x00005555555d0d4e in Escargot::Value::asFunction (this=0x7fffffffce70) at ../src/runtime/ValueInlines.h:542
#6  0x0000555555717385 in Escargot::builtinFunctionCall (state=..., thisValue=..., argc=1, argv=0x7fffffffda10, isNewExpression=false) at ../src/runtime/GlobalObjectBuiltinFunction.cpp:201
#7  0x00005555556e6839 in Escargot::FunctionObject::processCall (this=0x7ffff4662430, state=..., receiverSrc=..., argc=1, argv=0x7fffffffda10, isNewExpression=false) at ../src/runtime/FunctionObject.cpp:328
#8  0x00005555556e46af in Escargot::FunctionObject::call (this=0x7ffff4662430, state=..., thisValue=..., argc=1, argv=0x7fffffffda10) at ../src/runtime/FunctionObject.h:169
#9  0x0000555555609655 in Escargot::FunctionObject::call (state=..., callee=..., thisValue=..., argc=1, argv=0x7fffffffda10) at ../src/runtime/FunctionObject.h:182
#10 0x000055555560cc22 in Escargot::ByteCodeInterpreter::interpret (state=..., byteCodeBlock=0x7ffff4678cd0, programCounter=93824999119536, registerFile=0x7fffffffd9e0) at ../src/interpreter/ByteCodeInterpreter.cpp:573
#11 0x0000555555639b31 in Escargot::Script::execute (this=0x7ffff45f16a0, state=..., isEvalMode=false, needNewEnv=false, isOnGlobal=true) at ../src/parser/Script.cpp:79
#12 0x0000555555639c83 in Escargot::Script::<lambda()>::operator()(void) const (__closure=0x7fffffffdd90) at ../src/parser/Script.cpp:92
#13 0x000055555563ac8c in std::_Function_handler<Escargot::Value(), Escargot::Script::sandboxExecute(Escargot::ExecutionState&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/7/bits/std_function.h:302
#14 0x00005555557d410a in std::function<Escargot::Value ()>::operator()() const (this=0x7fffffffdd90) at /usr/include/c++/7/bits/std_function.h:706
#15 0x00005555557d2cbd in Escargot::SandBox::run(std::function<Escargot::Value ()> const&) (this=0x7fffffffdd00, scriptRunner=...) at ../src/runtime/SandBox.cpp:36
#16 0x0000555555639d60 in Escargot::Script::sandboxExecute (this=0x7ffff45f16a0, state=...) at ../src/parser/Script.cpp:93
#17 0x00005555557f075a in eval (context=0x7ffff4669ed0, str=0x7ffff45d0570, fileName=0x7ffff45d04d0, shouldPrintScriptResult=false) at ../src/shell/Shell.cpp:47
#18 0x00005555557f10bc in main (argc=2, argv=0x7fffffffe0b8) at ../src/shell/Shell.cpp:133

^{Found by Fuzzinator with grammarinator}

[clover2123]

@renatahodovan Thank you for the report. I'll take a look at this issue and #287 issue too.