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/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/nnp-test/nnp-test.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/acct.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/ns.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/raw.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/setgid.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/setuid.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/socket.c
Examining data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/userns.c

FINAL RESULTS:

data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/ns.c:22:6:  [4] (shell) execvp:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
	if (execvp(args->argv[0], args->argv) != 0) {
data/containerd-1.4.1~ds1/vendor/github.com/docker/docker/contrib/syscall-test/userns.c:22:6:  [4] (shell) execvp:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
	if (execvp(args->argv[0], args->argv) != 0) {

ANALYSIS SUMMARY:

Hits = 2
Lines analyzed = 218 in approximately 0.20 seconds (1073 lines/second)
Physical Source Lines of Code (SLOC) = 179
Hits@level = [0]  10 [1]   0 [2]   0 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]  12 [1+]   2 [2+]   2 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 67.0391 [1+] 11.1732 [2+] 11.1732 [3+] 11.1732 [4+] 11.1732 [5+]   0
Dot directories skipped = 3 (--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.