583 		if (unlikely((first->flags & SIGQUEUE_PREALLOC) && (info->si_code == SI_TIMER)))  in collect_signal()
596 		info->si_code = SI_USER;  in collect_signal()
684 		if ((q->info.si_code > SI_USER) &&  in dequeue_synchronous_signal()
741 	if (likely(!(q->flags & SIGQUEUE_PREALLOC) || q->info.si_code != SI_TIMER))  in sigqueue_free_ignored()
1082 		override_rlimit = (is_si_special(info) || info->si_code >= 0);  in __send_signal_locked()
1095 			q->info.si_code = SI_USER;  in __send_signal_locked()
1108 			q->info.si_code = SI_KERNEL;  in __send_signal_locked()
1117 		   sig >= SIGRTMIN && info->si_code != SI_USER) {  in __send_signal_locked()
1161 	switch (siginfo_layout(info->si_signo, info->si_code)) {  in has_si_pid_and_uid()
1207 		force = (info->si_code == SI_KERNEL);  in send_signal_locked()
1534 	info.si_code = SI_ASYNCIO;  in kill_pid_usb_asyncio()
1641 	info.si_code = SI_KERNEL;  in force_sig()
1655 	info.si_code = SI_KERNEL;  in force_fatal_sig()
1668 	info.si_code = SI_KERNEL;  in force_exit_sig()
1696 	info.si_code  = code;  in force_sig_fault_to_task()
1713 	info.si_code  = code;  in send_sig_fault()
1726 	info.si_code = code;  in force_sig_mceerr()
1740 	info.si_code = code;  in send_sig_mceerr()
1754 	info.si_code  = SEGV_BNDERR;  in force_sig_bnderr()
1769 	info.si_code  = SEGV_PKUERR;  in force_sig_pkuerr()
1783 	info.si_code      = TRAP_PERF;  in send_sig_perf()
1816 	info.si_code = SYS_SECCOMP;  in force_sig_seccomp()
1835 	info.si_code  = TRAP_HWBKPT;  in force_sig_ptrace_errno_trap()
1850 	info.si_code  = code;  in force_sig_fault_trapno()
1867 	info.si_code  = code;  in send_sig_fault_trapno()
1910 		if (likely(q->info.si_code != SI_TIMER)) {  in __flush_itimer_signals()
2205 		info.si_code = CLD_DUMPED;  in do_notify_parent()
2207 		info.si_code = CLD_KILLED;  in do_notify_parent()
2209 		info.si_code = CLD_EXITED;  in do_notify_parent()
2293  	info.si_code = why;  in do_notify_parent_cldstop()
2401 	if (info && info->si_code >> 8 == PTRACE_EVENT_STOP)  in ptrace_stop()
2489 	info.si_code = exit_code;  in ptrace_do_notify()
2742 		info->si_code = SI_USER;  in ptrace_signal()
2762 	switch (siginfo_layout(ksig->sig, ksig->info.si_code)) {  in hide_si_addr_tag_bits()
2770 			ksig->info.si_addr, ksig->sig, ksig->info.si_code);  in hide_si_addr_tag_bits()
3419 static bool known_siginfo_layout(unsigned sig, int si_code)  in known_siginfo_layout()  argument
3421 	if (si_code == SI_KERNEL)  in known_siginfo_layout()
3423 	else if ((si_code > SI_USER)) {  in known_siginfo_layout()
3425 			if (si_code <= sig_sicodes[sig].limit)  in known_siginfo_layout()
3428 		else if (si_code <= NSIGPOLL)  in known_siginfo_layout()
3431 	else if (si_code >= SI_DETHREAD)  in known_siginfo_layout()
3433 	else if (si_code == SI_ASYNCNL)  in known_siginfo_layout()
3438 enum siginfo_layout siginfo_layout(unsigned sig, int si_code)  in siginfo_layout()  argument
3441 	if ((si_code > SI_USER) && (si_code < SI_KERNEL)) {  in siginfo_layout()
3443 		    (si_code <= sig_sicodes[sig].limit)) {  in siginfo_layout()
3447 			    (si_code >= BUS_MCEERR_AR) && (si_code <= BUS_MCEERR_AO))  in siginfo_layout()
3449 			else if ((sig == SIGSEGV) && (si_code == SEGV_BNDERR))  in siginfo_layout()
3452 			else if ((sig == SIGSEGV) && (si_code == SEGV_PKUERR))  in siginfo_layout()
3455 			else if ((sig == SIGTRAP) && (si_code == TRAP_PERF))  in siginfo_layout()
3458 				 (sig == SIGILL) && (si_code == ILL_ILLTRP))  in siginfo_layout()
3462 				  ((sig == SIGTRAP) && (si_code == TRAP_UNK))))  in siginfo_layout()
3465 		else if (si_code <= NSIGPOLL)  in siginfo_layout()
3468 		if (si_code == SI_TIMER)  in siginfo_layout()
3470 		else if (si_code == SI_SIGIO)  in siginfo_layout()
3472 		else if (si_code < 0)  in siginfo_layout()
3496 	if (unlikely(!known_siginfo_layout(info->si_signo, info->si_code))) {  in post_copy_siginfo_from_user()
3550 	to->si_code  = from->si_code;  in copy_siginfo_to_external32()
3551 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in copy_siginfo_to_external32()
3628 	to->si_code  = from->si_code;  in post_copy_siginfo_from_user32()
3629 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in post_copy_siginfo_from_user32()
3922 	info->si_code = (type == PIDTYPE_PID) ? SI_TKILL : SI_USER;  in prepare_kill_siginfo()
4064 		    (kinfo.si_code >= 0 || kinfo.si_code == SI_TKILL))  in SYSCALL_DEFINE4()
4155 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_sigqueueinfo()
4202 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_tgsigqueueinfo()