diff --git a/include/linux/signal.h b/include/linux/signal.h
index 843bd62b1..470e80a3f 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -10,6 +10,7 @@ struct task_struct;
 
 /* for sysctl */
 extern int print_fatal_signals;
+extern int print_fatal_signals_src_dst;
 
 static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
 {
diff --git a/kernel/signal.c b/kernel/signal.c
index 619c6160f..4e0c68326 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -58,6 +58,7 @@
 static struct kmem_cache *sigqueue_cachep;
 
 int print_fatal_signals __read_mostly;
+int print_fatal_signals_src_dst __read_mostly;
 
 static void __user *sig_handler(struct task_struct *t, int sig)
 {
@@ -1041,6 +1042,16 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
 	int override_rlimit;
 	int ret = 0, result;
 
+	if (print_fatal_signals_src_dst && sig_kernel_coredump(sig)) {
+		printk(KERN_INFO "pid: %d, comm: %s try to send fatal sig: %d to pid: %d, comm: %s\n",
+			current->pid,
+			current->comm,
+			sig,
+			t->pid,
+			t->comm);
+		dump_stack();
+	}
+
 	assert_spin_locked(&t->sighand->siglock);
 
 	result = TRACE_SIGNAL_IGNORED;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 891e587d3..11116de08 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -344,6 +344,13 @@ static struct ctl_table kern_table[] = {
 		.proc_handler   = proc_dointvec,
 	},
 #endif
+	{
+		.procname       = "print-fatal-signals-src-dst",
+		.data           = &print_fatal_signals_src_dst,
+		.maxlen         = sizeof(int),
+		.mode           = 0644,
+		.proc_handler   = proc_dointvec,
+	},
 #ifdef CONFIG_SCHED_DEBUG
 	{
 		.procname	= "sched_min_granularity_ns",