diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 6f3b6de230bd..a67bae350416 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -1153,6 +1153,13 @@ static int io_clone_buffers(struct io_ring_ctx *ctx, struct io_ring_ctx *src_ctx
 	struct io_rsrc_data *data;
 	int i, ret, nbufs;
 
+	/*
+	 * Accounting state is shared between the two rings; that only works if
+	 * both rings are accounted towards the same counters.
+	 */
+	if (ctx->user != src_ctx->user || ctx->mm_account != src_ctx->mm_account)
+		return -EINVAL;
+
 	/*
 	 * Drop our own lock here. We'll setup the data we need and reference
 	 * the source buffers, then re-grab, check, and assign at the end.