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| author | Filipe Cabecinhas <me@filcab.net> | 2015-04-23 13:38:21 +0000 |
|---|---|---|
| committer | Filipe Cabecinhas <me@filcab.net> | 2015-04-23 13:38:21 +0000 |
| commit | 6621cb7478f02fd146eb26d2b0a3adadbc09596e (patch) | |
| tree | 2a5e0888048a88ececbe862f7a0f50ffbd200f82 /llvm/lib/Bitcode/Reader/BitstreamReader.cpp | |
| parent | ee48feadfde407206eecce83ce460cccfeeffe10 (diff) | |
| download | bcm5719-llvm-6621cb7478f02fd146eb26d2b0a3adadbc09596e.tar.gz bcm5719-llvm-6621cb7478f02fd146eb26d2b0a3adadbc09596e.zip | |
Be more strict about the operand for the array type in BitcodeReader
Summary: Bug found with AFL fuzz.
Reviewers: rafael
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9016
llvm-svn: 235596
Diffstat (limited to 'llvm/lib/Bitcode/Reader/BitstreamReader.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitstreamReader.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitstreamReader.cpp b/llvm/lib/Bitcode/Reader/BitstreamReader.cpp index ff37b8e4cfc..2f34532ae93 100644 --- a/llvm/lib/Bitcode/Reader/BitstreamReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitstreamReader.cpp @@ -201,6 +201,9 @@ unsigned BitstreamCursor::readRecord(unsigned AbbrevID, // Get the element encoding. assert(i+2 == e && "array op not second to last?"); const BitCodeAbbrevOp &EltEnc = Abbv->getOperandInfo(++i); + if (EltEnc.getEncoding() == BitCodeAbbrevOp::Array || + EltEnc.getEncoding() == BitCodeAbbrevOp::Blob) + report_fatal_error("Array element type can't be an Array or a Blob"); // Read all the elements. for (; NumElts; --NumElts) |
