diff options
| -rw-r--r-- | llvm/include/llvm/Bitcode/ReaderWriter.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/include/llvm/Bitcode/ReaderWriter.h b/llvm/include/llvm/Bitcode/ReaderWriter.h index 7a1e726dfda..1d7beb54275 100644 --- a/llvm/include/llvm/Bitcode/ReaderWriter.h +++ b/llvm/include/llvm/Bitcode/ReaderWriter.h @@ -162,9 +162,10 @@ namespace llvm { unsigned Offset = support::endian::read32le(&BufPtr[BWH_OffsetField]); unsigned Size = support::endian::read32le(&BufPtr[BWH_SizeField]); + uint64_t BitcodeOffsetEnd = (uint64_t)Offset + (uint64_t)Size; // Verify that Offset+Size fits in the file. - if (VerifyBufferSize && Offset+Size > unsigned(BufEnd-BufPtr)) + if (VerifyBufferSize && BitcodeOffsetEnd > uint64_t(BufEnd-BufPtr)) return true; BufPtr += Offset; BufEnd = BufPtr+Size; |
