494 		if (likely(q->info.si_code != SI_TIMER)) {  in __flush_itimer_signals()
592 			(info->si_code == SI_TIMER) &&  in collect_signal()
605 		info->si_code = SI_USER;  in collect_signal()
723 		if ((q->info.si_code > SI_USER) &&  in dequeue_synchronous_signal()
1114 		override_rlimit = (is_si_special(info) || info->si_code >= 0);  in __send_signal_locked()
1127 			q->info.si_code = SI_USER;  in __send_signal_locked()
1140 			q->info.si_code = SI_KERNEL;  in __send_signal_locked()
1149 		   sig >= SIGRTMIN && info->si_code != SI_USER) {  in __send_signal_locked()
1193 	switch (siginfo_layout(info->si_signo, info->si_code)) {  in has_si_pid_and_uid()
1239 		force = (info->si_code == SI_KERNEL);  in send_signal_locked()
1566 	info.si_code = SI_ASYNCIO;  in kill_pid_usb_asyncio()
1673 	info.si_code = SI_KERNEL;  in force_sig()
1687 	info.si_code = SI_KERNEL;  in force_fatal_sig()
1700 	info.si_code = SI_KERNEL;  in force_exit_sig()
1728 	info.si_code  = code;  in force_sig_fault_to_task()
1745 	info.si_code  = code;  in send_sig_fault()
1758 	info.si_code = code;  in force_sig_mceerr()
1772 	info.si_code = code;  in send_sig_mceerr()
1786 	info.si_code  = SEGV_BNDERR;  in force_sig_bnderr()
1801 	info.si_code  = SEGV_PKUERR;  in force_sig_pkuerr()
1815 	info.si_code      = TRAP_PERF;  in send_sig_perf()
1848 	info.si_code = SYS_SECCOMP;  in force_sig_seccomp()
1867 	info.si_code  = TRAP_HWBKPT;  in force_sig_ptrace_errno_trap()
1882 	info.si_code  = code;  in force_sig_fault_trapno()
1899 	info.si_code  = code;  in send_sig_fault_trapno()
1976 	if (WARN_ON_ONCE(q->info.si_code != SI_TIMER))  in send_sigqueue()
2106 		info.si_code = CLD_DUMPED;  in do_notify_parent()
2108 		info.si_code = CLD_KILLED;  in do_notify_parent()
2110 		info.si_code = CLD_EXITED;  in do_notify_parent()
2194  	info.si_code = why;  in do_notify_parent_cldstop()
2302 	if (info && info->si_code >> 8 == PTRACE_EVENT_STOP)  in ptrace_stop()
2390 	info.si_code = exit_code;  in ptrace_do_notify()
2643 		info->si_code = SI_USER;  in ptrace_signal()
2663 	switch (siginfo_layout(ksig->sig, ksig->info.si_code)) {  in hide_si_addr_tag_bits()
2671 			ksig->info.si_addr, ksig->sig, ksig->info.si_code);  in hide_si_addr_tag_bits()
3320 static bool known_siginfo_layout(unsigned sig, int si_code)  in known_siginfo_layout()  argument
3322 	if (si_code == SI_KERNEL)  in known_siginfo_layout()
3324 	else if ((si_code > SI_USER)) {  in known_siginfo_layout()
3326 			if (si_code <= sig_sicodes[sig].limit)  in known_siginfo_layout()
3329 		else if (si_code <= NSIGPOLL)  in known_siginfo_layout()
3332 	else if (si_code >= SI_DETHREAD)  in known_siginfo_layout()
3334 	else if (si_code == SI_ASYNCNL)  in known_siginfo_layout()
3339 enum siginfo_layout siginfo_layout(unsigned sig, int si_code)  in siginfo_layout()  argument
3342 	if ((si_code > SI_USER) && (si_code < SI_KERNEL)) {  in siginfo_layout()
3344 		    (si_code <= sig_sicodes[sig].limit)) {  in siginfo_layout()
3348 			    (si_code >= BUS_MCEERR_AR) && (si_code <= BUS_MCEERR_AO))  in siginfo_layout()
3350 			else if ((sig == SIGSEGV) && (si_code == SEGV_BNDERR))  in siginfo_layout()
3353 			else if ((sig == SIGSEGV) && (si_code == SEGV_PKUERR))  in siginfo_layout()
3356 			else if ((sig == SIGTRAP) && (si_code == TRAP_PERF))  in siginfo_layout()
3359 				 (sig == SIGILL) && (si_code == ILL_ILLTRP))  in siginfo_layout()
3363 				  ((sig == SIGTRAP) && (si_code == TRAP_UNK))))  in siginfo_layout()
3366 		else if (si_code <= NSIGPOLL)  in siginfo_layout()
3369 		if (si_code == SI_TIMER)  in siginfo_layout()
3371 		else if (si_code == SI_SIGIO)  in siginfo_layout()
3373 		else if (si_code < 0)  in siginfo_layout()
3397 	if (unlikely(!known_siginfo_layout(info->si_signo, info->si_code))) {  in post_copy_siginfo_from_user()
3451 	to->si_code  = from->si_code;  in copy_siginfo_to_external32()
3452 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in copy_siginfo_to_external32()
3529 	to->si_code  = from->si_code;  in post_copy_siginfo_from_user32()
3530 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in post_copy_siginfo_from_user32()
3823 	info->si_code = (type == PIDTYPE_PID) ? SI_TKILL : SI_USER;  in prepare_kill_siginfo()
3971 		    (kinfo.si_code >= 0 || kinfo.si_code == SI_TKILL))  in SYSCALL_DEFINE4()
4065 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_sigqueueinfo()
4112 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_tgsigqueueinfo()