The following issues were found

src/mongo/util/tcmalloc_server_status_section.cpp
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 167 Column: 13 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

                          }
#endif

            char buffer[4096];
            MallocExtension::instance()->GetStats(buffer, sizeof buffer);
            builder.append("formattedString", buffer);
        }

        return builder.obj();

Reported by FlawFinder.

src/mongo/util/testing_options.cpp
1 issues
Syntax Error: AST broken, 'if' doesn't have two operands.
Error

Line: 51 

                  // Initialize testing diagnostics only if it has not been already initialized, or it must be
    // enabled by the initializer (i.e., "testingDiagnosticsEnabled=true"). This ensures testing
    // diagnostics cannot be set beyond this point.
    if (!TestingProctor::instance().isInitialized() || gTestingDiagnosticsEnabledAtStartup) {
        TestingProctor::instance().setEnabled(gTestingDiagnosticsEnabledAtStartup);
    }

    if (TestingProctor::instance().isEnabled()) {
        LOGV2_OPTIONS(4672602,

Reported by Cppcheck.

src/mongo/util/testing_proctor.cpp
1 issues
Syntax Error: AST broken, 'if' doesn't have two operands.
Error

Line: 83 

               * especially for those executables that never call into `setEnabled()` (e.g., the mongo shell).
 */
MONGO_INITIALIZER(DisableTestingDiagnosticsByDefault)(InitializerContext*) {
    if (!TestingProctor::instance().isInitialized()) {
        TestingProctor::instance().setEnabled(false);
    }
}

}  // namespace

Reported by Cppcheck.

src/mongo/util/thread_context_test.cpp
1 issues
syntax error
Error

Line: 142 

                  boost::optional<unittest::ThreadAssertionMonitor> _monitor;
};

TEST_F(ThreadContextTest, HasLocalThreadContext) {
    auto context = getThreadContext();

    // Since this is the local thread, there should be no difference since the start of the test.
    ASSERT_EQ(gCounters.get(), Counters(0, 0, 0));
}

Reported by Cppcheck.

src/mongo/util/thread_safe_string.h
1 issues
strncpy - Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned]
Security

Line: 65 Column: 9 CWE codes: 120 

                      size_t s = str.size();
        if (s >= _size - 2)
            s = _size - 2;
        strncpy(_buf, str.rawData(), s);
        _buf[s] = '\0';
        return *this;
    }

    bool empty() const {

Reported by FlawFinder.

src/mongo/util/thread_safety_context_test.cpp
1 issues
syntax error
Error

Line: 59 

                  }
};

TEST_F(ThreadSafetyContextTest, CreateThreadsWithNoSafetyContext) {
    constexpr auto threadCount = 16;
    std::vector<stdx::thread> threads;

    for (auto i = 0; i < threadCount; i++) {
        threads.emplace_back([] { sleepFor(Milliseconds(10)); });

Reported by Cppcheck.

src/mongo/util/time_support_test.cpp
1 issues
Syntax Error: AST broken, 'if' doesn't have two operands.
Error

Line: 61 

              // name: _putenv. See online help for details.
#pragma warning(disable : 4996)
MONGO_INITIALIZER(SetTimeZoneToEasternForTest)(InitializerContext*) {
    if (-1 == putenv(tzEnvString)) {
        uasserted(ErrorCodes::BadValue, errnoWithDescription());
    }
    tzset();
}
#pragma warning(pop)

Reported by Cppcheck.

src/mongo/util/unique_function_test.cpp
1 issues
syntax error
Error

Line: 93 

              template <int channel>
bool RunDetection<channel>::itRan = false;

TEST(UniqueFunctionTest, construct_simple_unique_function_from_lambda) {
    // Implicit construction
    {
        RunDetection<0> runDetection;
        mongo::unique_function<void()> uf = [] { RunDetection<0>::itRan = true; };

Reported by Cppcheck.

src/mongo/util/uuid.h
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 85 Column: 9 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                  static UUID fromCDR(ConstDataRange cdr) {
        UUID uuid{UUIDStorage{}};
        invariant(cdr.length() == uuid._uuid.size());
        memcpy(uuid._uuid.data(), cdr.data(), uuid._uuid.size());
        return uuid;
    }

    /**
     * Returns whether this string represents a valid UUID.

Reported by FlawFinder.

src/mongo/util/version.cpp
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 149 Column: 5 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              // Collect macOS specific detail about the running version.
void appendMacOSInfo(BSONObjBuilder* builder) {
    BSONObjBuilder macOS(builder->subobjStart("macOS"));
    char buffer[2048];

    for (const auto& item : kMacOSInfoMap) {
        std::size_t buffer_len = sizeof(buffer) - 1;
        if ((sysctlbyname(item.first.c_str(), buffer, &buffer_len, nullptr, 0) == 0) &&
            (buffer_len > 1)) {

Reported by FlawFinder.