pollution: OTHER_PERMS
#define OTHER_PERMS (S_ISUID | S_ISGID | S_ISVTX)

pollution: READ_PERMS
#define READ_PERMS (S_IRUSR | S_IRGRP | S_IROTH)

pollution: EXEC_PERMS
#define EXEC_PERMS (S_IXUSR | S_IXGRP | S_IXOTH)

pollution: WRITE_PERMS
#define WRITE_PERMS (S_IWUSR | S_IWGRP | S_IWOTH)