chakra-core/ChakraCore

ChakraCore is an open source Javascript engine with a C API.

Stars: 9.3k
Forks: 1.2k
Open beginner issues: 0
Indexed issues: 582

Dominant language: JavaScript
License: MIT
Last GitHub push: Feb 19, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

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582 open issues indexed

Assertion Failure : m_token.tk == tkRCurly in ChakraCore/lib/Parser/Parse.cpp, line 13296 Open

Bug Severity: 2

chakra-core/ChakraCore#6890 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aborted in ReportFatalException (Js::JavascriptString::RepeatCore) Open

Bug Severity: 3

chakra-core/ChakraCore#6891 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aborted in ReportFatalException (Js::CompoundString::GetSz) Open

Bug Severity: 2

chakra-core/ChakraCore#6892 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure : isNextFieldDateNegativeVersion5 == false in ChakraCore/lib/Runtime/Library/DateImplementation.cpp, line 1138 Open

Bug Severity: 2

chakra-core/ChakraCore#6893 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aborted in ReportFatalException (Func::TryCodegen) Open

Bug Severity: 2

chakra-core/ChakraCore#6894 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aborted in ReportFatalException (Js::JavascriptString::PadCore) Open

chakra-core/ChakraCore#6897 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV in JS::RecyclableObject::GetTypeId Open

Bug Severity: 2

chakra-core/ChakraCore#6898 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: unrestorableSymbols.IsEmpty() in ChakraCore/lib/Backend/LinearScan.cpp, line 5203 Open

chakra-core/ChakraCore#6899 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure: (!GetIsLocked()) in ChakraCore/lib/Runtime/Types/SimpleTypeHandler.cpp Js::SimpleTypeHandler::DeleteProperty, line 664 Open

chakra-core/ChakraCore#6900 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure: !instr->GetDst() in ChakraCore/lib/Backend/GlobOpt.cpp, line 2378 Open

chakra-core/ChakraCore#6901 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion failure: target->GetBasicBlock()->isAirLockBlock in ChakraCore/lib/Backend/BackwardPass.cpp, line 2702 Open

chakra-core/ChakraCore#6902 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: IsUninitialized() || IsLikelyInt() when GlobOpt tries hoist invariant Open

chakra-core/ChakraCore#6903 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: (JavascriptOperators::GetTypeId(result) == TypeIds_AwaitObject) in ChakraCore/lib/Runtime/Library/JavascriptAsyncFunction.cpp, line 192 Open

chakra-core/ChakraCore#6904 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: (propertyValue && VarIs<T>(propertyValue)) in ChakraCore/lib/Runtime/Library/IntlEngineInterfaceExtensionObject.cpp, line 372 Open

chakra-core/ChakraCore#6905 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: offset != 0 in ChakraCore/lib/Backend/amd64/EncoderMD.cpp, line 263 Open

chakra-core/ChakraCore#6906 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: Inconsistency in Helper label annotations in ChakraCore/lib/Backend/DbCheckPostLower.cpp, line 81 Open

chakra-core/ChakraCore#6907 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: Invalid helperMethod in ChakraCore/lib/Backend/Lower.cpp::Lowerer::MapStFldHelper, line 7222 Open

chakra-core/ChakraCore#6908 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: this->func->IsLoopBodyInTry() in ChakraCore/lib/Backend/FlowGraph.cpp, line 1842 Open

chakra-core/ChakraCore#6909 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure： canSetField in ChakraCore/lib/Runtime/./Language/InlineCache.inl, line 240 Open

chakra-core/ChakraCore#6910 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: objectWithProperty->IsWritable(propertyId) in Js::JavaScriptOperators::SetProperty Open

chakra-core/ChakraCore#6911 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: upperBoundCheck->GetBailOutKind() == IR::BailOutOnFailedHoistedBoundCheck in ChakraCore/lib/Backend/BackwardPass.cpp, line 5257 Open

chakra-core/ChakraCore#6912 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: landingPadValueType.IsSimilar(baseValueType) in ChakraCore/lib/Backend/GlobOptArrays.cpp::GlobOpt::ArraySrcOpt::CheckLoops, line 504 Open

chakra-core/ChakraCore#6913 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: (!(flags & PropertyOperation_Root)) in ChakraCore/lib/Runtime/Library/GlobalObject.cpp, line 1963 Open

chakra-core/ChakraCore#6914 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: (info->IsNoCache() || object->GetPropertyIndex(propertyId) == Constants::NoSlot) in ChakraCore/lib/Runtime/Language/CacheOperators.cpp, line 178 Open

chakra-core/ChakraCore#6915 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: Re-add of deleted property NYI in PathTypeHandler in ChakraCore/lib/Runtime/Types/PathTypeHandler.cpp, line 3920 Open

chakra-core/ChakraCore#6916 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure: (added || failedToUpdateCompatibleUpperBoundCheck) in ChakraCore/lib/Backend/GlobOptArrays.cpp, line 1267 Open

chakra-core/ChakraCore#6917 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure in Js::JavascriptArray::CopyWithinHelper Open

chakra-core/ChakraCore#6918 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion Failure : buffer[length] == k_dbgFill in ChakraCore/lib/Runtime/Library/BufferStringBuilder.cpp, line 70 Open

chakra-core/ChakraCore#6919 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
AddressSanitizer: SEGV on unknown address in ./ChakraCore/lib/Runtime/Types/TypePropertyCache.cpp:20:16 Open

chakra-core/ChakraCore#6920 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aborted in ReportFatalException (Js::ConcatStringBase::GetSzImpl<Js::ConcatStringN<2> >) Open

Needs Triage

chakra-core/ChakraCore#6921 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV on unknown address 0x000000000000 Open

chakra-core/ChakraCore#6925 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SEGV on unknown address 0x000000000020 ，in NativeEntryPointData::GetFrameHeight() Open

chakra-core/ChakraCore#6926 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
stack-buffer-overflow /root/ChakraCore-2023-6/lib/Runtime/./Base/FunctionInfo.h:88:39 in Js::FunctionInfo::HasBody() Open

Debugger

chakra-core/ChakraCore#6927 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Program crashed, Aborted Open

chakra-core/ChakraCore#6928 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ERROR: LeakSanitizer: detected memory leaks Open

chakra-core/ChakraCore#6929 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aborted in lib/Common/CommonPal.h Open

chakra-core/ChakraCore#6930 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Illegal instruction (core dumped) ASSERTION 1541158: (ChakraCore/lib/Backend/GlobOpt.cpp, line 12838) !isJsArray Open

chakra-core/ChakraCore#6934 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Illegal instruction (core dumped) ASSERTION 1542080: (ChakraCore/lib/Jsrt/../Runtime/Types/RecyclableObject.h, line 492) VarIs: aValue is null Open

chakra-core/ChakraCore#6935 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Core dumped ASSERTION 1543856: (ChakraCore/lib/Runtime/Language/JavascriptConversion.cpp, line 1251) bad type object in conversion ToUInt32 Open

chakra-core/ChakraCore#6936 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Segmentation fault (core dumped) Open

chakra-core/ChakraCore#6937 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Segmentation fault (core dumped) in Js::Type::GetTypeId Open

chakra-core/ChakraCore#6938 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Segmentation fault (core dumped) in BVUnitT<unsigned long>::Test Open

chakra-core/ChakraCore#6939 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION: ChakraCore/lib/Backend/GlobOpt.cpp, line 11384 Open

chakra-core/ChakraCore#6941 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION: ChakraCore/lib/Backend/Inline.cpp, line 1096 Open

chakra-core/ChakraCore#6942 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION: ChakraCore/lib/Runtime/Types/SimpleTypeHandler.cpp, line 570 Open

chakra-core/ChakraCore#6943 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION: ChakraCore/lib/Backend/FlowGraph.cpp, line 1832 Open

chakra-core/ChakraCore#6944 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 441828: (ChakraCore/lib/Backend/GlobOptArrays.cpp, line 1267) Open

chakra-core/ChakraCore#6945 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 444087: (ChakraCore/lib/Backend/LinearScan.cpp, line 3412) Open

chakra-core/ChakraCore#6946 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 445506: (ChakraCore/lib/Backend/FlowGraph.cpp, line 2064) Open

chakra-core/ChakraCore#6947 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ASSERTION 448644: (ChakraCore/lib/Runtime/Language/ValueType.cpp, line 1101) Open

chakra-core/ChakraCore#6948 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

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