git clone https://github.com/Checkmarx/kics.git
cd kics/test/fixtures
docker run -t -v ./test_terra_cache/:/path -w /path checkmarx/kics:v2.1.1-alpine scan -p /path -o "/path/"

61  // AddExcluded add new excluded files to the File System Source Provider
62  func (s *FileSystemSourceProvider) AddExcluded(excludePaths []string) error {
63  	for _, excludePath := range excludePaths {
64  		info, err := os.Stat(excludePath)
65  		if err != nil {
66  			if os.IsNotExist(err) {
67  				continue
68  			}
69  			if sysErr, ok := err.(*ioFs.PathError); ok {
70  				log.Warn().Msgf("Failed getting file info for file '%s', Skipping due to: %s, Error number: %d",
71  					excludePath, sysErr, sysErr.Err.(syscall.Errno))
72  				continue
73  			}
74  			return errors.Wrap(err, "failed to open excluded file")
75  		}
76  		s.mu.Lock()
77  		if _, ok := s.excludes[info.Name()]; !ok {
78  			s.excludes[info.Name()] = make([]os.FileInfo, 0)
79  		}
80  		s.excludes[info.Name()] = append(s.excludes[info.Name()], info)
81  		s.mu.Unlock()
82  	}
83  	return nil
84  }

233 func (s *FileSystemSourceProvider) checkConditions(info os.FileInfo, extensions model.Extensions,
234 	path string, resolved bool) (bool, error) {
235 	s.mu.RLock()
236 	defer s.mu.RUnlock()
237
238 	if info.IsDir() {
239 		// exclude terraform cache folders
240 		if queryRegexExcludeTerraCache.MatchString(path) {
241 			log.Info().Msgf("Directory ignored: %s", path)
242
243 			err := s.AddExcluded([]string{info.Name()})
244 			if err != nil {
245 				return true, err
246 			}
247 			return true, filepath.SkipDir
248 		}
...
257 		return false, nil
258 	}
...
270 }

docker run -t -v ./test_terra_cache/:/path -w /path checkmarx/kics:v2.1.1-alpine scan -p /path -o "/path/"

-- 243 			err := s.AddExcluded([]string{info.Name()})
-- 244 			if err != nil {
-- 245 				return true, err
-- 246 			}

++                      s.mu.RUnlock()
243 			err := s.AddExcluded([]string{info.Name()})
++                      s.mu.RLock()
244 			if err != nil {
245 				return true, err
246 			}