52 	if (!tsk->ptrace ||  in ptrace_access_vm()
118 	BUG_ON(!child->ptrace);  in __ptrace_unlink()
132 	child->ptrace = 0;  in __ptrace_unlink()
196 	WARN_ON(!task->ptrace || task->parent != current);  in ptrace_unfreeze_traced()
241 	if (child->ptrace && child->parent == current) {  in ptrace_check_attach()
408 	if (task->ptrace)  in ptrace_attach()
413 	task->ptrace = flags;  in ptrace_attach()
479 	if (!current->ptrace) {  in ptrace_traceme()
487 			current->ptrace = PT_PTRACED;  in ptrace_traceme()
562 	WARN_ON(!child->ptrace || child->exit_state);  in ptrace_detach()
585 		if (unlikely(p->ptrace & PT_EXITKILL))  in exit_ptrace()
661 		    current->ptrace & PT_SUSPEND_SECCOMP)  in ptrace_setoptions()
666 	flags = child->ptrace;  in ptrace_setoptions()
669 	child->ptrace = flags;  in ptrace_setoptions()
1005 	bool seized = child->ptrace & PT_SEIZED;  in ptrace_request()
1242 SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,  in SYSCALL_DEFINE4()  argument
1389 COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid,  in COMPAT_SYSCALL_DEFINE4()  argument