bprm_creds_from_file
retval = bprm_creds_from_file(bprm);
static int bprm_creds_from_file(struct linux_binprm *bprm);
LSM_HOOK(int, 0, bprm_creds_from_file, struct linux_binprm *bprm, const struct file *file)
LSM_HOOK_INIT(bprm_creds_from_file, cap_bprm_creds_from_file),
LSM_HOOK_INIT(bprm_creds_from_file, ima_creds_check),
return call_int_hook(bprm_creds_from_file, bprm, file);