[llvm-bugs] Issue 16899 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: Amt->getType()->isIntegerTy() && "Allocation array size is not an integer!"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-09-01
Type: Bug

New issue 16899 by ClusterFuzz-External:  
llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT:  
Amt->getType()->isIntegerTy() && "Allocation array size is not an integer!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16899

Detailed Report: https://oss-fuzz.com/testcase?key=5740721801265152

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-instcombine
Job Type: libfuzzer_msan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   Amt->getType()->isIntegerTy() && "Allocation array size is not an  
integer!"
   llvm::AllocaInst::AllocaInst
   BitcodeReader::parseFunctionBody

Sanitizer: memory (MSAN)

Crash Revision:  
https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&revision=201906300300

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5740721801265152

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for  
instructions to reproduce this bug locally.

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