diff --git a/kernel/signal.c b/kernel/signal.c
index 45b4c1ffe14ef4..34a1628ee635a1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1401,6 +1401,13 @@ static int kill_something_info(int sig, struct siginfo *info, pid_t pid)
 		return ret;
 	}
 
+	/*
+	 * -INT_MIN is undefined, it need to exclude following case to
+	 * avoid the UBSAN detection.
+	 */
+	if (pid == INT_MIN)
+		return -ESRCH;
+
 	read_lock(&tasklist_lock);
 	if (pid != -1) {
 		ret = __kill_pgrp_info(sig, info,