diff --git a/packages/orchestrator/pkg/sandbox/uffd/userfaultfd/userfaultfd.go b/packages/orchestrator/pkg/sandbox/uffd/userfaultfd/userfaultfd.go
index 51bcc4f17d..4571952f04 100644
--- a/packages/orchestrator/pkg/sandbox/uffd/userfaultfd/userfaultfd.go
+++ b/packages/orchestrator/pkg/sandbox/uffd/userfaultfd/userfaultfd.go
@@ -363,6 +363,16 @@ func (u *Userfaultfd) faultPage(
 		return nil
 	}
 
+	if errors.Is(copyErr, unix.ESRCH) {
+		// The faulting thread/process no longer exists — it exited or was killed
+		// while the page fetch was in flight. This is expected during sandbox
+		// teardown; treat it as benign.
+		span.SetAttributes(attribute.Bool("uffd.process_exited", true))
+		u.logger.Debug(ctx, "UFFD serve copy error: process no longer exists", zap.Error(copyErr))
+
+		return nil
+	}
+
 	if copyErr != nil {
 		var signalErr error
 		if onFailure != nil {