1 files changed, 12 insertions, 5 deletions

diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 61d7dd29f756..f30852d28590 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -267,7 +267,8 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
                 return;
 #endif
 
-        if (show_unhandled_signals) {
+        if (show_unhandled_signals && unhandled_signal(current, SIGILL) &&
+            printk_ratelimit()) {
                 pr_info("%s[%d]: undefined instruction: pc=%p\n",
                         current->comm, task_pid_nr(current), pc);
                 dump_instr(KERN_INFO, regs);
@@ -294,7 +295,7 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs)
         }
 #endif
 
-        if (show_unhandled_signals) {
+        if (show_unhandled_signals && printk_ratelimit()) {
                 pr_info("%s[%d]: syscall %d\n", current->comm,
                         task_pid_nr(current), (int)regs->syscallno);
                 dump_instr("", regs);
@@ -310,14 +311,20 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs)
  */
 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr)
 {
+        siginfo_t info;
+        void __user *pc = (void __user *)instruction_pointer(regs);
         console_verbose();
 
         pr_crit("Bad mode in %s handler detected, code 0x%08x\n",
                 handler[reason], esr);
+        __show_regs(regs);
+
+        info.si_signo = SIGILL;
+        info.si_errno = 0;
+        info.si_code  = ILL_ILLOPC;
+        info.si_addr  = pc;
 
-        die("Oops - bad mode", regs, 0);
-        local_irq_disable();
-        panic("bad mode");
+        arm64_notify_die("Oops - bad mode", regs, &info, 0);
 }
 
 void __pte_error(const char *file, int line, unsigned long val)