[llvm-bugs] Issue 44066 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-sccp: Crash in std::__1::enable_if<is_hashable_data<char const>::value, llvm::hash_code>::type

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Tue Jan 25 13:52:27 PST 2022

Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Proj-llvm Security_Severity-Medium Reported-2022-01-25
Type: Bug-Security

New issue 44066 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-sccp: Crash in std::__1::enable_if<is_hashable_data<char const>::value, llvm::hash_code>::type 

Detailed Report: https://oss-fuzz.com/testcase?key=5997406739628032

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

Crash Address: 0x725000010002
Crash State:
  std::__1::enable_if<is_hashable_data<char const>::value, llvm::hash_code>::type 
  bool llvm::DenseMapBase<llvm::DenseMap<llvm::StringRef, llvm::detail::DenseSetEm
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=201906300300:201910150335

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5997406739628032

Issue filed automatically.

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