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/golang-github-containerd-btrfs-0.0~git20201111.404b914/btrfs.c Examining data/golang-github-containerd-btrfs-0.0~git20201111.404b914/btrfs.h FINAL RESULTS: data/golang-github-containerd-btrfs-0.0~git20201111.404b914/btrfs.c:25:2: [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(dst->uuid, src->uuid, BTRFS_UUID_SIZE); data/golang-github-containerd-btrfs-0.0~git20201111.404b914/btrfs.c:26:2: [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(dst->parent_uuid, src->parent_uuid, BTRFS_UUID_SIZE); data/golang-github-containerd-btrfs-0.0~git20201111.404b914/btrfs.c:27:2: [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(dst->received_uuid, src->received_uuid, BTRFS_UUID_SIZE); ANALYSIS SUMMARY: Hits = 3 Lines analyzed = 70 in approximately 0.02 seconds (3537 lines/second) Physical Source Lines of Code (SLOC) = 26 Hits@level = [0] 0 [1] 0 [2] 3 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 3 [1+] 3 [2+] 3 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 115.385 [1+] 115.385 [2+] 115.385 [3+] 0 [4+] 0 [5+] 0 Dot directories skipped = 2 (--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.