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/abicheck-1.2/test/libc_a.c Examining data/abicheck-1.2/test/private1.c Examining data/abicheck-1.2/test/public1.c FINAL RESULTS: data/abicheck-1.2/test/public1.c:17:11: [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("/dev/null", O_WRONLY); data/abicheck-1.2/test/private1.c:33:7: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). if ( strlen(str) == 2 ) { ANALYSIS SUMMARY: Hits = 2 Lines analyzed = 78 in approximately 0.01 seconds (7744 lines/second) Physical Source Lines of Code (SLOC) = 45 Hits@level = [0] 4 [1] 1 [2] 1 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 6 [1+] 2 [2+] 1 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 133.333 [1+] 44.4444 [2+] 22.2222 [3+] 0 [4+] 0 [5+] 0 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.