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| author | Filipe Cabecinhas <me@filcab.net> | 2015-05-27 00:48:43 +0000 |
|---|---|---|
| committer | Filipe Cabecinhas <me@filcab.net> | 2015-05-27 00:48:43 +0000 |
| commit | 8cd99e9a5a13bc3f229dbabc9e8baa7b10568598 (patch) | |
| tree | a2038d24518a02bc9a7378e455f0f3c75cf9a357 /llvm/lib/Bitcode/Reader/BitstreamReader.cpp | |
| parent | a872a476cbfd67126ff07c2227770231c1b1d117 (diff) | |
| download | bcm5719-llvm-8cd99e9a5a13bc3f229dbabc9e8baa7b10568598.tar.gz bcm5719-llvm-8cd99e9a5a13bc3f229dbabc9e8baa7b10568598.zip | |
[BitstreamReader] Make sure the Array operand type is an encoding
Bug found with AFL fuzz.
llvm-svn: 238269
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 f57e077baa0..a103fbdf4a9 100644 --- a/llvm/lib/Bitcode/Reader/BitstreamReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitstreamReader.cpp @@ -203,6 +203,9 @@ unsigned BitstreamCursor::readRecord(unsigned AbbrevID, if (i + 2 != e) report_fatal_error("Array op not second to last"); const BitCodeAbbrevOp &EltEnc = Abbv->getOperandInfo(++i); + if (!EltEnc.isEncoding()) + report_fatal_error( + "Array element type has to be an encoding of a type"); if (EltEnc.getEncoding() == BitCodeAbbrevOp::Array || EltEnc.getEncoding() == BitCodeAbbrevOp::Blob) report_fatal_error("Array element type can't be an Array or a Blob"); |
