179 	if (!recalc_sigpending_tsk(current) && !freezing(current)) {  in recalc_sigpending()
191 	spin_lock_irq(&current->sighand->siglock);  in calculate_sigpending()
192 	set_tsk_thread_flag(current, TIF_SIGPENDING);  in calculate_sigpending()
194 	spin_unlock_irq(&current->sighand->siglock);  in calculate_sigpending()
260 				current->comm, current->pid, sig);  in print_dropped_signal()
389 	unsigned long mask = current->jobctl & JOBCTL_STOP_SIGMASK;  in task_join_group_stop()
390 	struct signal_struct *sig = current->signal;  in task_join_group_stop()
620 	struct task_struct *tsk = current;  in dequeue_signal()
656 		current->jobctl |= JOBCTL_STOP_DEQUEUED;  in dequeue_signal()
670 	struct task_struct *tsk = current;  in dequeue_synchronous_signal()
815 	if (!same_thread_group(current, t) &&  in check_kill_permission()
824 			if (!sid || sid == task_session(current))  in check_kill_permission()
1095 			q->info.si_pid = task_tgid_nr_ns(current,  in __send_signal_locked()
1189 		force = !task_pid_nr_ns(current, task_active_pid_ns(t));  in send_signal_locked()
1209 		if (!task_pid_nr_ns(current, task_active_pid_ns(t))) {  in send_signal_locked()
1219 	struct pt_regs *regs = task_pt_regs(current);  in print_fatal_signal()
1222 	exe_file = get_task_exe_file(current);  in print_fatal_signal()
1225 			exe_file, current->comm, signr);  in print_fatal_signal()
1229 			current->comm, signr);  in print_fatal_signal()
1329 	return force_sig_info_to_task(info, current, HANDLER_CURRENT);  in force_sig_info()
1585 				pid ? find_vpid(-pid) : task_pgrp(current));  in kill_something_info()
1592 					!same_thread_group(p, current)) {  in kill_something_info()
1658 	force_sig_info_to_task(&info, current, HANDLER_SIG_DFL);  in force_fatal_sig()
1671 	force_sig_info_to_task(&info, current, HANDLER_EXIT);  in force_exit_sig()
1703 	return force_sig_fault_to_task(sig, code, addr, current);  in force_sig_fault()
1795 	info.si_perf_flags = sigismember(&current->blocked, info.si_signo) ?  in send_sig_perf()
1799 	return send_sig_info(info.si_signo, &info, current);  in send_sig_perf()
1817 	info.si_call_addr = (void __user *)KSTK_EIP(current);  in force_sig_seccomp()
1819 	info.si_arch = syscall_get_arch(current);  in force_sig_seccomp()
1821 	return force_sig_info_to_task(&info, current,  in force_sig_seccomp()
1924 	struct task_struct *tsk = current;  in flush_itimer_signals()
1933 	struct ucounts *ucounts = sig_get_ucounts(current, -1, 0);  in posixtimer_init_sigqueue()
1970 	    same_thread_group(t, current) && !current->exit_state)  in posixtimer_get_target()
1971 		t = current;  in posixtimer_get_target()
2354 	__releases(&current->sighand->siglock)  in ptrace_stop()
2355 	__acquires(&current->sighand->siglock)  in ptrace_stop()
2368 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2370 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2379 	if (!current->ptrace || __fatal_signal_pending(current))  in ptrace_stop()
2383 	current->jobctl |= JOBCTL_TRACED;  in ptrace_stop()
2405 	current->ptrace_message = message;  in ptrace_stop()
2406 	current->last_siginfo = info;  in ptrace_stop()
2407 	current->exit_code = exit_code;  in ptrace_stop()
2416 	if (why == CLD_STOPPED && (current->jobctl & JOBCTL_STOP_PENDING))  in ptrace_stop()
2417 		gstop_done = task_participate_group_stop(current);  in ptrace_stop()
2420 	task_clear_jobctl_pending(current, JOBCTL_TRAP_STOP);  in ptrace_stop()
2422 		task_clear_jobctl_pending(current, JOBCTL_TRAP_NOTIFY);  in ptrace_stop()
2425 	task_clear_jobctl_trapping(current);  in ptrace_stop()
2427 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
2439 	if (current->ptrace)  in ptrace_stop()
2440 		do_notify_parent_cldstop(current, true, why);  in ptrace_stop()
2441 	if (gstop_done && (!current->ptrace || ptrace_reparented(current)))  in ptrace_stop()
2442 		do_notify_parent_cldstop(current, false, why);  in ptrace_stop()
2485 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
2486 	exit_code = current->exit_code;  in ptrace_stop()
2487 	current->last_siginfo = NULL;  in ptrace_stop()
2488 	current->ptrace_message = 0;  in ptrace_stop()
2489 	current->exit_code = 0;  in ptrace_stop()
2492 	current->jobctl &= ~(JOBCTL_LISTENING | JOBCTL_PTRACE_FROZEN);  in ptrace_stop()
2499 	recalc_sigpending_tsk(current);  in ptrace_stop()
2510 	info.si_pid = task_pid_vnr(current);  in ptrace_do_notify()
2522 	if (unlikely(task_work_pending(current)))  in ptrace_notify()
2525 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
2527 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
2554 	__releases(&current->sighand->siglock)  in do_signal_stop()
2556 	struct signal_struct *sig = current->signal;  in do_signal_stop()
2558 	if (!(current->jobctl & JOBCTL_STOP_PENDING)) {  in do_signal_stop()
2565 		if (!likely(current->jobctl & JOBCTL_STOP_DEQUEUED) ||  in do_signal_stop()
2592 		if (task_set_jobctl_pending(current, signr | gstop))  in do_signal_stop()
2595 		for_other_threads(current, t) {  in do_signal_stop()
2612 	if (likely(!current->ptrace)) {  in do_signal_stop()
2620 		if (task_participate_group_stop(current))  in do_signal_stop()
2623 		current->jobctl |= JOBCTL_STOPPED;  in do_signal_stop()
2625 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2638 			do_notify_parent_cldstop(current, false, notify);  in do_signal_stop()
2651 		task_set_jobctl_pending(current, JOBCTL_TRAP_STOP);  in do_signal_stop()
2673 	struct signal_struct *signal = current->signal;  in do_jobctl_trap()
2674 	int signr = current->jobctl & JOBCTL_STOP_SIGMASK;  in do_jobctl_trap()
2676 	if (current->ptrace & PT_SEIZED) {  in do_jobctl_trap()
2700 	__releases(&current->sighand->siglock)  in do_freezer_trap()
2707 	if ((current->jobctl & (JOBCTL_PENDING_MASK | JOBCTL_TRAP_FREEZE)) !=  in do_freezer_trap()
2709 		spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2721 	spin_unlock_irq(&current->sighand->siglock);  in do_freezer_trap()
2730 	if (unlikely(task_work_pending(current)))  in do_freezer_trap()
2745 	current->jobctl |= JOBCTL_STOP_DEQUEUED;  in ptrace_signal()
2764 		info->si_pid = task_pid_vnr(current->parent);  in ptrace_signal()
2766 						task_uid(current->parent));  in ptrace_signal()
2771 	if (sigismember(&current->blocked, signr) ||  in ptrace_signal()
2772 	    fatal_signal_pending(current)) {  in ptrace_signal()
2773 		send_signal_locked(signr, info, current, type);  in ptrace_signal()
2804 	struct sighand_struct *sighand = current->sighand;  in get_signal()
2805 	struct signal_struct *signal = current->signal;  in get_signal()
2809 	if (unlikely(task_work_pending(current)))  in get_signal()
2812 	if (!task_sigpending(current))  in get_signal()
2855 		do_notify_parent_cldstop(current, false, why);  in get_signal()
2857 		if (ptrace_reparented(current->group_leader))  in get_signal()
2858 			do_notify_parent_cldstop(current->group_leader,  in get_signal()
2873 			sigdelset(&current->pending.signal, SIGKILL);  in get_signal()
2884 		if (unlikely(current->jobctl & JOBCTL_STOP_PENDING) &&  in get_signal()
2888 		if (unlikely(current->jobctl &  in get_signal()
2890 			if (current->jobctl & JOBCTL_TRAP_MASK) {  in get_signal()
2893 			} else if (current->jobctl & JOBCTL_TRAP_FREEZE)  in get_signal()
2903 		if (unlikely(cgroup_task_frozen(current))) {  in get_signal()
2918 			signr = dequeue_signal(&current->blocked, &ksig->info, &type);  in get_signal()
2923 		if (unlikely(current->ptrace) && (signr != SIGKILL) &&  in get_signal()
3003 		if (unlikely(cgroup_task_frozen(current)))  in get_signal()
3009 		current->flags |= PF_SIGNALED;  in get_signal()
3014 			proc_coredump_connector(current);  in get_signal()
3032 		if (current->flags & PF_USER_WORKER)  in get_signal()
3071 	sigorsets(&blocked, &current->blocked, &ksig->ka.sa.sa_mask);  in signal_delivered()
3075 	if (current->sas_ss_flags & SS_AUTODISARM)  in signal_delivered()
3076 		sas_ss_reset(current);  in signal_delivered()
3179 	struct restart_block *restart = &current->restart_block;  in SYSCALL_DEFINE0()
3193 		sigandnsets(&newblocked, newset, &current->blocked);  in __set_task_blocked()
3215 	struct task_struct *tsk = current;  in __set_current_blocked()
3239 	struct task_struct *tsk = current;  in sigprocmask()
3286 	current->saved_sigmask = current->blocked;  in set_user_sigmask()
3306 	current->saved_sigmask = current->blocked;  in set_compat_user_sigmask()
3330 	old_set = current->blocked;  in SYSCALL_DEFINE4()
3354 	sigset_t old_set = current->blocked;  in COMPAT_SYSCALL_DEFINE4()
3377 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
3378 	sigorsets(set, &current->pending.signal,  in do_sigpending()
3379 		  &current->signal->shared_pending.signal);  in do_sigpending()
3380 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
3383 	sigandsets(set, &current->blocked, set);  in do_sigpending()
3751 	struct task_struct *tsk = current;  in do_sigtimedwait()
3942 	info->si_pid = task_tgid_vnr(current);  in prepare_kill_siginfo()
3967 	struct pid_namespace *active = task_active_pid_ns(current);  in access_pidfd_pidns()
4040 		if ((task_pid(current) != pid || type > PIDTYPE_TGID) &&  in do_pidfd_send_signal()
4084 		pid = get_task_pid(current, PIDTYPE_PID);  in SYSCALL_DEFINE4()
4088 		pid = get_task_pid(current, PIDTYPE_TGID);  in SYSCALL_DEFINE4()
4200 	    (task_pid_vnr(current) != pid))  in do_rt_sigqueueinfo()
4247 	    (task_pid_vnr(current) != pid))  in do_rt_tgsigqueueinfo()
4283 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
4284 	current->sighand->action[sig - 1].sa.sa_handler = action;  in kernel_sigaction()
4291 		flush_sigqueue_mask(current, &mask, &current->signal->shared_pending);  in kernel_sigaction()
4292 		flush_sigqueue_mask(current, &mask, &current->pending);  in kernel_sigaction()
4295 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
4306 	struct task_struct *p = current, *t;  in do_sigaction()
4375 	__acquires(&current->sighand->siglock)  in sigaltstack_lock()
4377 	spin_lock_irq(&current->sighand->siglock);  in sigaltstack_lock()
4381 	__releases(&current->sighand->siglock)  in sigaltstack_unlock()
4383 	spin_unlock_irq(&current->sighand->siglock);  in sigaltstack_unlock()
4394 	struct task_struct *t = current;  in do_sigaltstack()
4402 			(current->sas_ss_flags & SS_FLAG_BITS);  in do_sigaltstack()
4475 	struct task_struct *t = current;  in __save_altstack()
4529 	struct task_struct *t = current;  in __compat_save_altstack()
4589 	old_set = current->blocked.sig[0];  in SYSCALL_DEFINE3()
4595 		new_blocked = current->blocked;  in SYSCALL_DEFINE3()
4788 	return current->blocked.sig[0];  in SYSCALL_DEFINE0()
4793 	int old = current->blocked.sig[0];  in SYSCALL_DEFINE1()
4826 	while (!signal_pending(current)) {  in SYSCALL_DEFINE0()
4837 	current->saved_sigmask = current->blocked;  in sigsuspend()
4840 	while (!signal_pending(current)) {  in sigsuspend()