diff options
Diffstat (limited to 'llvm/lib/Object/WasmObjectFile.cpp')
| -rw-r--r-- | llvm/lib/Object/WasmObjectFile.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Object/WasmObjectFile.cpp b/llvm/lib/Object/WasmObjectFile.cpp index a6a4748..ed23c53 100644 --- a/llvm/lib/Object/WasmObjectFile.cpp +++ b/llvm/lib/Object/WasmObjectFile.cpp @@ -1124,6 +1124,9 @@ Error WasmObjectFile::parseImportSection(ReadContext &Ctx) { } case wasm::WASM_EXTERNAL_TAG: NumImportedTags++; + if (readUint8(Ctx) != 0) // Reserved 'attribute' field + return make_error<GenericBinaryError>("invalid attribute", + object_error::parse_failed); Im.SigIndex = readVaruint32(Ctx); if (Im.SigIndex >= NumTypes) return make_error<GenericBinaryError>("invalid tag type", @@ -1203,8 +1206,7 @@ Error WasmObjectFile::parseTagSection(ReadContext &Ctx) { Tags.reserve(Count); uint32_t NumTypes = Signatures.size(); while (Count--) { - char Attr = readUint8(Ctx); // Reserved 'attribute' field - if (Attr != 0) + if (readUint8(Ctx) != 0) // Reserved 'attribute' field return make_error<GenericBinaryError>("invalid attribute", object_error::parse_failed); uint32_t Type = readVaruint32(Ctx); |