diff options
Diffstat (limited to 'llvm/lib/Object')
| -rw-r--r-- | llvm/lib/Object/WasmObjectFile.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Object/WasmObjectFile.cpp b/llvm/lib/Object/WasmObjectFile.cpp index 1b32ae8afd9..f75dbfc3014 100644 --- a/llvm/lib/Object/WasmObjectFile.cpp +++ b/llvm/lib/Object/WasmObjectFile.cpp @@ -602,10 +602,15 @@ Error WasmObjectFile::parseRelocSection(StringRef Name, ReadContext &Ctx) { WasmSection& Section = Sections[SectionIndex]; uint32_t RelocCount = readVaruint32(Ctx); uint32_t EndOffset = Section.Content.size(); + uint32_t PreviousOffset = 0; while (RelocCount--) { wasm::WasmRelocation Reloc = {}; Reloc.Type = readVaruint32(Ctx); Reloc.Offset = readVaruint32(Ctx); + if (Reloc.Offset < PreviousOffset) + return make_error<GenericBinaryError>("Relocations not in offset order", + object_error::parse_failed); + PreviousOffset = Reloc.Offset; Reloc.Index = readVaruint32(Ctx); switch (Reloc.Type) { case wasm::R_WEBASSEMBLY_FUNCTION_INDEX_LEB: |
