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/fairy-stockfish-11.1/src/benchmark.cpp Examining data/fairy-stockfish-11.1/src/bitbase.cpp Examining data/fairy-stockfish-11.1/src/bitboard.cpp Examining data/fairy-stockfish-11.1/src/bitboard.h Examining data/fairy-stockfish-11.1/src/endgame.cpp Examining data/fairy-stockfish-11.1/src/endgame.h Examining data/fairy-stockfish-11.1/src/evaluate.cpp Examining data/fairy-stockfish-11.1/src/evaluate.h Examining data/fairy-stockfish-11.1/src/magic.h Examining data/fairy-stockfish-11.1/src/main.cpp Examining data/fairy-stockfish-11.1/src/material.cpp Examining data/fairy-stockfish-11.1/src/material.h Examining data/fairy-stockfish-11.1/src/misc.cpp Examining data/fairy-stockfish-11.1/src/misc.h Examining data/fairy-stockfish-11.1/src/movegen.cpp Examining data/fairy-stockfish-11.1/src/movegen.h Examining data/fairy-stockfish-11.1/src/movepick.cpp Examining data/fairy-stockfish-11.1/src/movepick.h Examining data/fairy-stockfish-11.1/src/parser.cpp Examining data/fairy-stockfish-11.1/src/parser.h Examining data/fairy-stockfish-11.1/src/partner.cpp Examining data/fairy-stockfish-11.1/src/partner.h Examining data/fairy-stockfish-11.1/src/pawns.cpp Examining data/fairy-stockfish-11.1/src/pawns.h Examining data/fairy-stockfish-11.1/src/piece.cpp Examining data/fairy-stockfish-11.1/src/piece.h Examining data/fairy-stockfish-11.1/src/position.cpp Examining data/fairy-stockfish-11.1/src/position.h Examining data/fairy-stockfish-11.1/src/psqt.cpp Examining data/fairy-stockfish-11.1/src/pyffish.cpp Examining data/fairy-stockfish-11.1/src/search.cpp Examining data/fairy-stockfish-11.1/src/search.h Examining data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp Examining data/fairy-stockfish-11.1/src/syzygy/tbprobe.h Examining data/fairy-stockfish-11.1/src/thread.cpp Examining data/fairy-stockfish-11.1/src/thread.h Examining data/fairy-stockfish-11.1/src/thread_win32_osx.h Examining data/fairy-stockfish-11.1/src/timeman.cpp Examining data/fairy-stockfish-11.1/src/timeman.h Examining data/fairy-stockfish-11.1/src/tt.cpp Examining data/fairy-stockfish-11.1/src/tt.h Examining data/fairy-stockfish-11.1/src/types.h Examining data/fairy-stockfish-11.1/src/uci.cpp Examining data/fairy-stockfish-11.1/src/uci.h Examining data/fairy-stockfish-11.1/src/ucioption.cpp Examining data/fairy-stockfish-11.1/src/variant.cpp Examining data/fairy-stockfish-11.1/src/variant.h Examining data/fairy-stockfish-11.1/src/xboard.cpp Examining data/fairy-stockfish-11.1/src/xboard.h FINAL RESULTS: data/fairy-stockfish-11.1/src/misc.cpp:104:16: [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). l.file.open(fname, ifstream::out); data/fairy-stockfish-11.1/src/position.cpp:1194:8: [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(static_cast<void*>(&newSt), static_cast<void*>(st), offsetof(StateInfo, key)); data/fairy-stockfish-11.1/src/position.cpp:1608:8: [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(&newSt, st, sizeof(StateInfo)); data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp:109:38: [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 union { uint32_t i; char c[4]; } Le = { 0x01020304 }; data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp:115:14: [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(&v, addr, sizeof(T)); data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp:141:5: [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 block[4]; // Number of block data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp:142:5: [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 offset[2]; // Offset within the block data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp:198:28: [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). std::ifstream::open(fname); data/fairy-stockfish-11.1/src/syzygy/tbprobe.cpp:214:20: [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). int fd = ::open(fname.c_str(), O_RDONLY); data/fairy-stockfish-11.1/src/tt.h:74:5: [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 padding[4]; // Align to a divisor of the cache line size ANALYSIS SUMMARY: Hits = 10 Lines analyzed = 20311 in approximately 0.53 seconds (37997 lines/second) Physical Source Lines of Code (SLOC) = 14112 Hits@level = [0] 0 [1] 0 [2] 10 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 10 [1+] 10 [2+] 10 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 0.708617 [1+] 0.708617 [2+] 0.708617 [3+] 0 [4+] 0 [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.