1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (C) International Business Machines Corp., 2008 4f08c3bdfSopenharmony_ci * Copyright (C) 2022 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com> 5f08c3bdfSopenharmony_ci */ 6f08c3bdfSopenharmony_ci 7f08c3bdfSopenharmony_ci/*\ 8f08c3bdfSopenharmony_ci * [Description] 9f08c3bdfSopenharmony_ci * 10f08c3bdfSopenharmony_ci * Clone a process with CLONE_NEWPID flag and check that killing subprocesses 11f08c3bdfSopenharmony_ci * from child namespace will raise ESRCH error. 12f08c3bdfSopenharmony_ci */ 13f08c3bdfSopenharmony_ci 14f08c3bdfSopenharmony_ci#include "tst_test.h" 15f08c3bdfSopenharmony_ci#include "lapi/sched.h" 16f08c3bdfSopenharmony_ci 17f08c3bdfSopenharmony_cistatic void child_func(void) 18f08c3bdfSopenharmony_ci{ 19f08c3bdfSopenharmony_ci pid_t cpid = tst_getpid(); 20f08c3bdfSopenharmony_ci pid_t ppid = getppid(); 21f08c3bdfSopenharmony_ci 22f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(cpid, 1); 23f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(ppid, 0); 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_ci tst_res(TINFO, "Trying to kill all subprocesses from within container"); 26f08c3bdfSopenharmony_ci 27f08c3bdfSopenharmony_ci TST_EXP_FAIL(kill(-1, SIGKILL), ESRCH); 28f08c3bdfSopenharmony_ci} 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_cistatic void run(void) 31f08c3bdfSopenharmony_ci{ 32f08c3bdfSopenharmony_ci const struct tst_clone_args args = { 33f08c3bdfSopenharmony_ci .flags = CLONE_NEWPID, 34f08c3bdfSopenharmony_ci .exit_signal = SIGCHLD, 35f08c3bdfSopenharmony_ci }; 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_ci if (!SAFE_CLONE(&args)) { 38f08c3bdfSopenharmony_ci child_func(); 39f08c3bdfSopenharmony_ci return; 40f08c3bdfSopenharmony_ci } 41f08c3bdfSopenharmony_ci} 42f08c3bdfSopenharmony_ci 43f08c3bdfSopenharmony_cistatic struct tst_test test = { 44f08c3bdfSopenharmony_ci .test_all = run, 45f08c3bdfSopenharmony_ci .needs_root = 1, 46f08c3bdfSopenharmony_ci .forks_child = 1, 47f08c3bdfSopenharmony_ci}; 48