diff options
-rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 2 | ||||
-rw-r--r-- | llvm/test/Bitcode/Inputs/invalid-load-pointer-type.bc | bin | 0 -> 452 bytes | |||
-rw-r--r-- | llvm/test/Bitcode/invalid.test | 5 |
3 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 7778125e2d4..456df6dab8e 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -4065,6 +4065,8 @@ std::error_code BitcodeReader::ParseFunctionBody(Function *F) { Type *Ty = nullptr; if (OpNum + 3 == Record.size()) Ty = getTypeByID(Record[OpNum++]); + if (!isa<PointerType>(Op->getType())) + return Error("Load operand is not a pointer type"); if (!Ty) Ty = cast<PointerType>(Op->getType())->getElementType(); else if (Ty != cast<PointerType>(Op->getType())->getElementType()) diff --git a/llvm/test/Bitcode/Inputs/invalid-load-pointer-type.bc b/llvm/test/Bitcode/Inputs/invalid-load-pointer-type.bc Binary files differnew file mode 100644 index 00000000000..b6a56c55b3b --- /dev/null +++ b/llvm/test/Bitcode/Inputs/invalid-load-pointer-type.bc diff --git a/llvm/test/Bitcode/invalid.test b/llvm/test/Bitcode/invalid.test index 077f3515128..4aff5c00501 100644 --- a/llvm/test/Bitcode/invalid.test +++ b/llvm/test/Bitcode/invalid.test @@ -117,3 +117,8 @@ RUN: not llvm-dis -disable-output %p/Inputs/invalid-too-big-fwdref.bc 2>&1 | \ RUN: FileCheck --check-prefix=HUGE-FWDREF %s HUGE-FWDREF: Invalid record + +RUN: not llvm-dis -disable-output %p/Inputs/invalid-load-pointer-type.bc 2>&1 | \ +RUN: FileCheck --check-prefix=LOAD-BAD-TYPE %s + +LOAD-BAD-TYPE: Load operand is not a pointer type |