584 		if (unlikely((first->flags & SIGQUEUE_PREALLOC) && (info->si_code == SI_TIMER)))  in collect_signal()
597 		info->si_code = SI_USER;  in collect_signal()
685 		if ((q->info.si_code > SI_USER) &&  in dequeue_synchronous_signal()
742 	if (likely(!(q->flags & SIGQUEUE_PREALLOC) || q->info.si_code != SI_TIMER))  in sigqueue_free_ignored()
1083 		override_rlimit = (is_si_special(info) || info->si_code >= 0);  in __send_signal_locked()
1096 			q->info.si_code = SI_USER;  in __send_signal_locked()
1109 			q->info.si_code = SI_KERNEL;  in __send_signal_locked()
1118 		   sig >= SIGRTMIN && info->si_code != SI_USER) {  in __send_signal_locked()
1162 	switch (siginfo_layout(info->si_signo, info->si_code)) {  in has_si_pid_and_uid()
1208 		force = (info->si_code == SI_KERNEL);  in send_signal_locked()
1535 	info.si_code = SI_ASYNCIO;  in kill_pid_usb_asyncio()
1642 	info.si_code = SI_KERNEL;  in force_sig()
1656 	info.si_code = SI_KERNEL;  in force_fatal_sig()
1669 	info.si_code = SI_KERNEL;  in force_exit_sig()
1697 	info.si_code  = code;  in force_sig_fault_to_task()
1714 	info.si_code  = code;  in send_sig_fault()
1727 	info.si_code = code;  in force_sig_mceerr()
1741 	info.si_code = code;  in send_sig_mceerr()
1755 	info.si_code  = SEGV_BNDERR;  in force_sig_bnderr()
1770 	info.si_code  = SEGV_PKUERR;  in force_sig_pkuerr()
1784 	info.si_code      = TRAP_PERF;  in send_sig_perf()
1817 	info.si_code = SYS_SECCOMP;  in force_sig_seccomp()
1836 	info.si_code  = TRAP_HWBKPT;  in force_sig_ptrace_errno_trap()
1851 	info.si_code  = code;  in force_sig_fault_trapno()
1868 	info.si_code  = code;  in send_sig_fault_trapno()
1911 		if (likely(q->info.si_code != SI_TIMER)) {  in __flush_itimer_signals()
2222 		info.si_code = CLD_DUMPED;  in do_notify_parent()
2224 		info.si_code = CLD_KILLED;  in do_notify_parent()
2226 		info.si_code = CLD_EXITED;  in do_notify_parent()
2310  	info.si_code = why;  in do_notify_parent_cldstop()
2418 	if (info && info->si_code >> 8 == PTRACE_EVENT_STOP)  in ptrace_stop()
2506 	info.si_code = exit_code;  in ptrace_do_notify()
2759 		info->si_code = SI_USER;  in ptrace_signal()
2779 	switch (siginfo_layout(ksig->sig, ksig->info.si_code)) {  in hide_si_addr_tag_bits()
2787 			ksig->info.si_addr, ksig->sig, ksig->info.si_code);  in hide_si_addr_tag_bits()
3436 static bool known_siginfo_layout(unsigned sig, int si_code)  in known_siginfo_layout()  argument
3438 	if (si_code == SI_KERNEL)  in known_siginfo_layout()
3440 	else if ((si_code > SI_USER)) {  in known_siginfo_layout()
3442 			if (si_code <= sig_sicodes[sig].limit)  in known_siginfo_layout()
3445 		else if (si_code <= NSIGPOLL)  in known_siginfo_layout()
3448 	else if (si_code >= SI_DETHREAD)  in known_siginfo_layout()
3450 	else if (si_code == SI_ASYNCNL)  in known_siginfo_layout()
3455 enum siginfo_layout siginfo_layout(unsigned sig, int si_code)  in siginfo_layout()  argument
3458 	if ((si_code > SI_USER) && (si_code < SI_KERNEL)) {  in siginfo_layout()
3460 		    (si_code <= sig_sicodes[sig].limit)) {  in siginfo_layout()
3464 			    (si_code >= BUS_MCEERR_AR) && (si_code <= BUS_MCEERR_AO))  in siginfo_layout()
3466 			else if ((sig == SIGSEGV) && (si_code == SEGV_BNDERR))  in siginfo_layout()
3469 			else if ((sig == SIGSEGV) && (si_code == SEGV_PKUERR))  in siginfo_layout()
3472 			else if ((sig == SIGTRAP) && (si_code == TRAP_PERF))  in siginfo_layout()
3475 				 (sig == SIGILL) && (si_code == ILL_ILLTRP))  in siginfo_layout()
3479 				  ((sig == SIGTRAP) && (si_code == TRAP_UNK))))  in siginfo_layout()
3482 		else if (si_code <= NSIGPOLL)  in siginfo_layout()
3485 		if (si_code == SI_TIMER)  in siginfo_layout()
3487 		else if (si_code == SI_SIGIO)  in siginfo_layout()
3489 		else if (si_code < 0)  in siginfo_layout()
3513 	if (unlikely(!known_siginfo_layout(info->si_signo, info->si_code))) {  in post_copy_siginfo_from_user()
3567 	to->si_code  = from->si_code;  in copy_siginfo_to_external32()
3568 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in copy_siginfo_to_external32()
3645 	to->si_code  = from->si_code;  in post_copy_siginfo_from_user32()
3646 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in post_copy_siginfo_from_user32()
3939 	info->si_code = (type == PIDTYPE_PID) ? SI_TKILL : SI_USER;  in prepare_kill_siginfo()
4039 		    (kinfo.si_code >= 0 || kinfo.si_code == SI_TKILL))  in do_pidfd_send_signal()
4193 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_sigqueueinfo()
4240 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_tgsigqueueinfo()