diff options
Diffstat (limited to 'llvm/lib/BinaryFormat')
| -rw-r--r-- | llvm/lib/BinaryFormat/Magic.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/BinaryFormat/Magic.cpp b/llvm/lib/BinaryFormat/Magic.cpp index e9b8df93b90..db8e9526e64 100644 --- a/llvm/lib/BinaryFormat/Magic.cpp +++ b/llvm/lib/BinaryFormat/Magic.cpp @@ -185,7 +185,7 @@ file_magic llvm::identify_magic(StringRef Magic) { if (startswith(Magic, "MZ") && Magic.size() >= 0x3c + 4) { uint32_t off = read32le(Magic.data() + 0x3c); // PE/COFF file, either EXE or DLL. - if (off < Magic.size() && + if (off + sizeof(COFF::PEMagic) <= Magic.size() && memcmp(Magic.data() + off, COFF::PEMagic, sizeof(COFF::PEMagic)) == 0) return file_magic::pecoff_executable; } |
