[llvm-bugs] Issue 9239 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-sccp: Heap-use-after-free in SCCPSolver::visitCmpInst

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Tue Jul 3 09:41:13 PDT 2018

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2018-07-03
Type: Bug-Security

New issue 9239 by ClusterFuzz-External: llvm/llvm-opt-fuzzer--x86_64-sccp:  
Heap-use-after-free in SCCPSolver::visitCmpInst

Detailed report: https://oss-fuzz.com/testcase?key=5747454174560256

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-sccp
Fuzz target binary: llvm-opt-fuzzer--x86_64-sccp
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x619000008968
Crash State:
   llvm::InstVisitor<SCCPSolver, void>::visit

Sanitizer: address (ASAN)

Recommended Security Severity: High


Reproducer Testcase:  

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

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