diff --git a/src/net/timeout_test.go b/src/net/timeout_test.go
index e90c16f..f54c956 100644
--- a/src/net/timeout_test.go
+++ b/src/net/timeout_test.go
@@ -1033,3 +1033,43 @@
 	}()
 	wg.Wait() // wait for tester goroutine to stop
 }
+
+// Issue 35367.
+func TestConcurrentSetDeadline(t *testing.T) {
+	ln, err := newLocalListener("tcp")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer ln.Close()
+
+	const goroutines = 8
+	const conns = 10
+	const tries = 100
+
+	var c [conns]Conn
+	for i := 0; i < conns; i++ {
+		c[i], err = Dial(ln.Addr().Network(), ln.Addr().String())
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer c[i].Close()
+	}
+
+	var wg sync.WaitGroup
+	wg.Add(goroutines)
+	now := time.Now()
+	for i := 0; i < goroutines; i++ {
+		go func(i int) {
+			defer wg.Done()
+			// Make the deadlines steadily earlier,
+			// to trigger runtime adjusttimers calls.
+			for j := tries; j > 0; j-- {
+				for k := 0; k < conns; k++ {
+					c[k].SetReadDeadline(now.Add(2*time.Hour + time.Duration(i*j*k)*time.Second))
+					c[k].SetWriteDeadline(now.Add(1*time.Hour + time.Duration(i*j*k)*time.Second))
+				}
+			}
+		}(i)
+	}
+	wg.Wait()
+}
diff --git a/src/runtime/time.go b/src/runtime/time.go
index 6ae5225..ad5eaf7 100644
--- a/src/runtime/time.go
+++ b/src/runtime/time.go
@@ -947,9 +947,6 @@
 					badTimer()
 				}
 				moved = append(moved, t)
-				if !atomic.Cas(&t.status, timerMoving, timerWaiting) {
-					badTimer()
-				}
 				if s == timerModifiedEarlier {
 					if n := atomic.Xadd(&pp.adjustTimers, -1); int32(n) <= 0 {
 						addAdjustedTimers(pp, moved)
@@ -979,47 +976,11 @@
 // back to the timer heap.
 func addAdjustedTimers(pp *p, moved []*timer) {
 	for _, t := range moved {
-	loop:
-		for {
-			switch s := atomic.Load(&t.status); s {
-			case timerWaiting:
-				// This is the normal case.
-				if !doaddtimer(pp, t) {
-					badTimer()
-				}
-				break loop
-			case timerDeleted:
-				// Timer has been deleted since we adjusted it.
-				// This timer is already out of the heap.
-				if atomic.Cas(&t.status, s, timerRemoving) {
-					if !atomic.Cas(&t.status, timerRemoving, timerRemoved) {
-						badTimer()
-					}
-					break loop
-				}
-			case timerModifiedEarlier, timerModifiedLater:
-				// Timer has been modified again since
-				// we adjusted it.
-				if atomic.Cas(&t.status, s, timerMoving) {
-					t.when = t.nextwhen
-					if !doaddtimer(pp, t) {
-						badTimer()
-					}
-					if !atomic.Cas(&t.status, timerMoving, timerWaiting) {
-						badTimer()
-					}
-					if s == timerModifiedEarlier {
-						atomic.Xadd(&pp.adjustTimers, -1)
-					}
-					break loop
-				}
-			case timerNoStatus, timerRunning, timerRemoving, timerRemoved, timerMoving:
-				badTimer()
-			case timerModifying:
-				// Wait and try again.
-				osyield()
-				continue
-			}
+		if !doaddtimer(pp, t) {
+			badTimer()
+		}
+		if !atomic.Cas(&t.status, timerMoving, timerWaiting) {
+			badTimer()
 		}
 	}
 }