diff options
Diffstat (limited to 'llvm/lib/Bitcode/Reader')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitstreamReader.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitstreamReader.cpp b/llvm/lib/Bitcode/Reader/BitstreamReader.cpp index beaaf7a7d66..6e3bea1e87b 100644 --- a/llvm/lib/Bitcode/Reader/BitstreamReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitstreamReader.cpp @@ -62,6 +62,8 @@ static uint64_t readAbbreviatedField(BitstreamCursor &Cursor, case BitCodeAbbrevOp::Fixed: return Cursor.Read((unsigned)Op.getEncodingData()); case BitCodeAbbrevOp::VBR: + if ((unsigned)Op.getEncodingData() > 64) + report_fatal_error("Invalid record"); return Cursor.ReadVBR64((unsigned)Op.getEncodingData()); case BitCodeAbbrevOp::Char6: return BitCodeAbbrevOp::DecodeChar6(Cursor.Read(6)); |
