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.