Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler.
Number of rules (primarily dangerous function names) in C/C++ ruleset: 223
Examining data/leela-zero-0.17/autogtp/Console.h
Examining data/leela-zero-0.17/autogtp/Game.cpp
Examining data/leela-zero-0.17/autogtp/Job.cpp
Examining data/leela-zero-0.17/autogtp/Job.h
Examining data/leela-zero-0.17/autogtp/Management.h
Examining data/leela-zero-0.17/autogtp/Order.cpp
Examining data/leela-zero-0.17/autogtp/Order.h
Examining data/leela-zero-0.17/autogtp/Result.h
Examining data/leela-zero-0.17/autogtp/Worker.cpp
Examining data/leela-zero-0.17/autogtp/Worker.h
Examining data/leela-zero-0.17/autogtp/main.cpp
Examining data/leela-zero-0.17/autogtp/Game.h
Examining data/leela-zero-0.17/autogtp/Management.cpp
Examining data/leela-zero-0.17/src/CL/cl2.hpp
Examining data/leela-zero-0.17/src/CPUPipe.cpp
Examining data/leela-zero-0.17/src/CPUPipe.h
Examining data/leela-zero-0.17/src/FastBoard.cpp
Examining data/leela-zero-0.17/src/FastBoard.h
Examining data/leela-zero-0.17/src/FastState.cpp
Examining data/leela-zero-0.17/src/FastState.h
Examining data/leela-zero-0.17/src/ForwardPipe.h
Examining data/leela-zero-0.17/src/FullBoard.cpp
Examining data/leela-zero-0.17/src/FullBoard.h
Examining data/leela-zero-0.17/src/GTP.cpp
Examining data/leela-zero-0.17/src/GTP.h
Examining data/leela-zero-0.17/src/GameState.cpp
Examining data/leela-zero-0.17/src/GameState.h
Examining data/leela-zero-0.17/src/Im2Col.h
Examining data/leela-zero-0.17/src/KoState.cpp
Examining data/leela-zero-0.17/src/KoState.h
Examining data/leela-zero-0.17/src/Leela.cpp
Examining data/leela-zero-0.17/src/NNCache.cpp
Examining data/leela-zero-0.17/src/NNCache.h
Examining data/leela-zero-0.17/src/Network.cpp
Examining data/leela-zero-0.17/src/Network.h
Examining data/leela-zero-0.17/src/OpenCL.cpp
Examining data/leela-zero-0.17/src/OpenCL.h
Examining data/leela-zero-0.17/src/OpenCLScheduler.cpp
Examining data/leela-zero-0.17/src/OpenCLScheduler.h
Examining data/leela-zero-0.17/src/Random.cpp
Examining data/leela-zero-0.17/src/Random.h
Examining data/leela-zero-0.17/src/SGFParser.cpp
Examining data/leela-zero-0.17/src/SGFParser.h
Examining data/leela-zero-0.17/src/SGFTree.cpp
Examining data/leela-zero-0.17/src/SGFTree.h
Examining data/leela-zero-0.17/src/SMP.cpp
Examining data/leela-zero-0.17/src/SMP.h
Examining data/leela-zero-0.17/src/ThreadPool.h
Examining data/leela-zero-0.17/src/TimeControl.cpp
Examining data/leela-zero-0.17/src/TimeControl.h
Examining data/leela-zero-0.17/src/Timing.cpp
Examining data/leela-zero-0.17/src/Timing.h
Examining data/leela-zero-0.17/src/Training.cpp
Examining data/leela-zero-0.17/src/Training.h
Examining data/leela-zero-0.17/src/Tuner.cpp
Examining data/leela-zero-0.17/src/Tuner.h
Examining data/leela-zero-0.17/src/UCTNode.cpp
Examining data/leela-zero-0.17/src/UCTNode.h
Examining data/leela-zero-0.17/src/UCTNodePointer.cpp
Examining data/leela-zero-0.17/src/UCTNodePointer.h
Examining data/leela-zero-0.17/src/UCTNodeRoot.cpp
Examining data/leela-zero-0.17/src/UCTSearch.cpp
Examining data/leela-zero-0.17/src/UCTSearch.h
Examining data/leela-zero-0.17/src/Utils.cpp
Examining data/leela-zero-0.17/src/Utils.h
Examining data/leela-zero-0.17/src/Zobrist.cpp
Examining data/leela-zero-0.17/src/Zobrist.h
Examining data/leela-zero-0.17/src/config.h
Examining data/leela-zero-0.17/src/half/half.hpp
Examining data/leela-zero-0.17/src/tests/gtests.cpp
Examining data/leela-zero-0.17/src/tests/utils_unittest.cpp
Examining data/leela-zero-0.17/validation/Results.cpp
Examining data/leela-zero-0.17/validation/Results.h
Examining data/leela-zero-0.17/validation/SPRT.cpp
Examining data/leela-zero-0.17/validation/SPRT.h
Examining data/leela-zero-0.17/validation/Validation.cpp
Examining data/leela-zero-0.17/validation/Validation.h
Examining data/leela-zero-0.17/validation/main.cpp
FINAL RESULTS:
data/leela-zero-0.17/src/Utils.cpp:125:5: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf(stderr, fmt, ap);
data/leela-zero-0.17/src/Utils.cpp:129:9: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf(cfg_logfile_handle, fmt, ap2);
data/leela-zero-0.17/src/Utils.cpp:155:5: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf(file, fmt, ap);
data/leela-zero-0.17/src/Utils.cpp:181:5: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf(stdout, fmt, ap);
data/leela-zero-0.17/src/Utils.cpp:187:9: [4] (format) vfprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
vfprintf(cfg_logfile_handle, fmt, ap);
data/leela-zero-0.17/src/Utils.cpp:221:20: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
if ((homedir = getenv("HOME")) == nullptr) {
data/leela-zero-0.17/autogtp/Game.cpp:72:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char readBuffer[256];
data/leela-zero-0.17/autogtp/Game.cpp:93:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char readBuffer[256];
data/leela-zero-0.17/autogtp/Game.cpp:114:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char readBuffer[256];
data/leela-zero-0.17/autogtp/Game.cpp:188:17: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
sgfFile.open(QIODevice::Text | QIODevice::ReadOnly);
data/leela-zero-0.17/autogtp/Game.cpp:257:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char readBuffer[256];
data/leela-zero-0.17/autogtp/Game.cpp:339:9: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char readBuffer[256];
data/leela-zero-0.17/autogtp/Game.cpp:451:18: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!sgfFile.open(QIODevice::Text | QIODevice::ReadOnly)) {
data/leela-zero-0.17/autogtp/Game.cpp:459:17: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (sgfFile.open(QFile::WriteOnly | QFile::Truncate)) {
data/leela-zero-0.17/autogtp/Management.cpp:543:15: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (f.open(QFile::ReadOnly)) {
data/leela-zero-0.17/autogtp/Management.cpp:673:12: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!f.open(QIODevice::WriteOnly | QIODevice::Text)) {
data/leela-zero-0.17/autogtp/Management.cpp:701:19: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!file.open(QFile::ReadOnly)) {
data/leela-zero-0.17/autogtp/Order.cpp:25:12: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!f.open(QIODevice::WriteOnly | QIODevice::Text)) {
data/leela-zero-0.17/autogtp/Order.cpp:41:12: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
data/leela-zero-0.17/src/FastBoard.cpp:267:17: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
open.push(vertex);
data/leela-zero-0.17/src/FastBoard.cpp:271:13: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
while (!open.empty()) {
data/leela-zero-0.17/src/FastBoard.cpp:273:23: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
auto vertex = open.front();
data/leela-zero-0.17/src/FastBoard.cpp:274:9: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
open.pop();
data/leela-zero-0.17/src/FastBoard.cpp:281:17: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
open.push(neighbor);
data/leela-zero-0.17/src/Leela.cpp:295:30: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
cfg_logfile_handle = fopen(cfg_logfile.c_str(), "a");
data/leela-zero-0.17/src/Leela.cpp:574:34: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
cfg_logfile_handle = fopen(cfg_logfile.c_str(), "a");
data/leela-zero-0.17/src/SGFTree.cpp:444:5: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char timestr[sizeof "2017-10-16"];
data/leela-zero-0.17/src/Training.cpp:128:9: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(in_buff.get(), m_buffer.data(), in_buff_size);
data/leela-zero-0.17/src/half/half.hpp:458:9: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
std::memcpy(&bits, &value, sizeof(float));
data/leela-zero-0.17/src/half/half.hpp:535:26: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static const unsigned char shift_table[512] = {
data/leela-zero-0.17/src/half/half.hpp:579:9: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
std::memcpy(&bits, &value, sizeof(double));
data/leela-zero-0.17/src/half/half.hpp:897:9: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
std::memcpy(&out, &bits, sizeof(float));
data/leela-zero-0.17/src/half/half.hpp:919:9: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
std::memcpy(&out, &bits, sizeof(double));
data/leela-zero-0.17/validation/Validation.cpp:175:12: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!f.open(QIODevice::WriteOnly | QIODevice::Text)) {
data/leela-zero-0.17/validation/Validation.cpp:197:12: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
data/leela-zero-0.17/src/half/half.hpp:1242:86: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
template<typename charT,typename traits> static std::basic_istream<charT,traits>& read(std::basic_istream<charT,traits> &in, half &arg)
data/leela-zero-0.17/src/half/half.hpp:2209:84: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
operator>>(std::basic_istream<charT,traits> &in, half &arg) { return functions::read(in, arg); }
ANALYSIS SUMMARY:
Hits = 37
Lines analyzed = 30679 in approximately 1.53 seconds (20009 lines/second)
Physical Source Lines of Code (SLOC) = 20980
Hits@level = [0] 14 [1] 2 [2] 29 [3] 1 [4] 5 [5] 0
Hits@level+ = [0+] 51 [1+] 37 [2+] 35 [3+] 6 [4+] 5 [5+] 0
Hits/KSLOC@level+ = [0+] 2.43089 [1+] 1.76358 [2+] 1.66826 [3+] 0.285987 [4+] 0.238322 [5+] 0
Dot directories skipped = 1 (--followdotdir overrides)
Minimum risk level = 1
Not every hit is necessarily a security vulnerability.
There may be other security vulnerabilities; review your code!
See 'Secure Programming HOWTO'
(https://dwheeler.com/secure-programs) for more information.