Merge tag 'perf_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:

 - Prevent perf_sigtrap() from observing an exiting task and warning
   about it

* tag 'perf_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Fix WARN in perf_sigtrap()

kernel/events/core.c

@@ -7203,6 +7203,13 @@ void perf_event_wakeup(struct perf_event *event)
 
 static void perf_sigtrap(struct perf_event *event)
 {
+	/*
+	 * Both perf_pending_task() and perf_pending_irq() can race with the
+	 * task exiting.
+	 */
+	if (current->flags & PF_EXITING)
+		return;
+
 	/*
 	 * We'd expect this to only occur if the irq_work is delayed and either
 	 * ctx->task or current has changed in the meantime. This can be the
@@ -7211,13 +7218,6 @@ static void perf_sigtrap(struct perf_event *event)
 	if (WARN_ON_ONCE(event->ctx->task != current))
 		return;
 
-	/*
-	 * Both perf_pending_task() and perf_pending_irq() can race with the
-	 * task exiting.
-	 */
-	if (current->flags & PF_EXITING)
-		return;
-
 	send_sig_perf((void __user *)event->pending_addr,
 		      event->orig_type, event->attr.sig_data);
 }