diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 7b0a100e1139..39d8d1fc5c2b 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -701,6 +701,21 @@ static void __io_cqring_overflow_flush(struct io_ring_ctx *ctx)
 		memcpy(cqe, &ocqe->cqe, cqe_size);
 		list_del(&ocqe->list);
 		kfree(ocqe);
+
+		/*
+		 * For silly syzbot cases that deliberately overflow by huge
+		 * amounts, check if we need to resched and drop and
+		 * reacquire the locks if so. Nothing real would ever hit this.
+		 * Ideally we'd have a non-posting unlock for this, but hard
+		 * to care for a non-real case.
+		 */
+		if (need_resched()) {
+			io_cq_unlock_post(ctx);
+			mutex_unlock(&ctx->uring_lock);
+			cond_resched();
+			mutex_lock(&ctx->uring_lock);
+			io_cq_lock(ctx);
+		}
 	}
 
 	if (list_empty(&ctx->cq_overflow_list)) {