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/invaders-1.0.0/kernel.c Examining data/invaders-1.0.0/multiboot.h Examining data/invaders-1.0.0/types.h Examining data/invaders-1.0.0/keyboard.h Examining data/invaders-1.0.0/sound.h Examining data/invaders-1.0.0/delay.h Examining data/invaders-1.0.0/sound.c Examining data/invaders-1.0.0/delay.c Examining data/invaders-1.0.0/game.h Examining data/invaders-1.0.0/common.h Examining data/invaders-1.0.0/common.c Examining data/invaders-1.0.0/memory.h Examining data/invaders-1.0.0/memory.c Examining data/invaders-1.0.0/video.c Examining data/invaders-1.0.0/video.h Examining data/invaders-1.0.0/io.h Examining data/invaders-1.0.0/keyboard.c Examining data/invaders-1.0.0/game.c FINAL RESULTS: data/invaders-1.0.0/common.c:3:6: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. void memcpy (void *dst, void *src, uint32 num) data/invaders-1.0.0/common.h:6:6: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. void memcpy (void *dst, void *src, uint32 num); data/invaders-1.0.0/io.h:185:30: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. #define memcpy_fromio(a,b,c) memcpy((a),__io_virt(b),(c)) data/invaders-1.0.0/io.h:186:28: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. #define memcpy_toio(a,b,c) memcpy(__io_virt(a),(b),(c)) data/invaders-1.0.0/video.c:46:3: [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 ((uint8*)0xb8000, videohidden, 80*25*2); ANALYSIS SUMMARY: Hits = 5 Lines analyzed = 1034 in approximately 0.09 seconds (11212 lines/second) Physical Source Lines of Code (SLOC) = 749 Hits@level = [0] 0 [1] 0 [2] 5 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 5 [1+] 5 [2+] 5 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 6.67557 [1+] 6.67557 [2+] 6.67557 [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.