diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 02339b74ba8d..765abec2571f 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3623,10 +3623,6 @@ static __cold int io_allocate_scq_urings(struct io_ring_ctx *ctx,
 
 	if (!(ctx->flags & IORING_SETUP_NO_SQARRAY))
 		ctx->sq_array = (u32 *)((char *)rings + sq_array_offset);
-	rings->sq_ring_mask = p->sq_entries - 1;
-	rings->cq_ring_mask = p->cq_entries - 1;
-	rings->sq_ring_entries = p->sq_entries;
-	rings->cq_ring_entries = p->cq_entries;
 
 	if (p->flags & IORING_SETUP_SQE128)
 		size = array_size(2 * sizeof(struct io_uring_sqe), p->sq_entries);
@@ -3649,6 +3645,12 @@ static __cold int io_allocate_scq_urings(struct io_ring_ctx *ctx,
 		return ret;
 	}
 	ctx->sq_sqes = io_region_get_ptr(&ctx->sq_region);
+
+	memset(rings, 0, sizeof(*rings));
+	WRITE_ONCE(rings->sq_ring_mask, ctx->sq_entries - 1);
+	WRITE_ONCE(rings->cq_ring_mask, ctx->cq_entries - 1);
+	WRITE_ONCE(rings->sq_ring_entries, ctx->sq_entries);
+	WRITE_ONCE(rings->cq_ring_entries, ctx->cq_entries);
 	return 0;
 }