[llvm-bugs] [Bug 45569] New: lib/fuzzer/FuzzerUtil.cpp:197: dangling pointer

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45569

            Bug ID: 45569
           Summary: lib/fuzzer/FuzzerUtil.cpp:197: dangling pointer
           Product: compiler-rt
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: fuzzer
          Assignee: unassignedbugs at nondot.org
          Reporter: dcb314 at hotmail.com
                CC: llvm-bugs at lists.llvm.org

lib/fuzzer/FuzzerUtil.cpp:197:10: error: Returning pointer to local variable
'PcDescr' that will be invalid when returning. [returnDanglingLifetime]

Source code is

  char PcDescr[1024] = {};
  EF->__sanitizer_symbolize_pc(reinterpret_cast<void*>(PC),
                               SymbolizedFMT, PcDescr, sizeof(PcDescr));
  PcDescr[sizeof(PcDescr) - 1] = 0;  // Just in case.
  return PcDescr;

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