[llvm-bugs] Issue 37012 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: LHS->getType() == RHS->getType() && "Pointer subtraction operand types must matc

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Proj-llvm Reported-2021-08-10
Type: Bug

New issue 37012 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: LHS->getType() == RHS->getType() && "Pointer subtraction operand types must matc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37012

Detailed Report: https://oss-fuzz.com/testcase?key=5648012973047808

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:
  LHS->getType() == RHS->getType() && "Pointer subtraction operand types must matc
  llvm::IRBuilderBase::CreatePtrDiff
  llvm::LibCallSimplifier::optimizeSPrintFString
  
Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=202008140614:202008150620

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5648012973047808

Issue filed automatically.

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