From d886e0cad55ccb50f6140b20f055efcfc9760b64 Mon Sep 17 00:00:00 2001
From: offsoc <139764790+offsoc@users.noreply.github.com>
Date: Mon, 23 Sep 2024 13:57:07 +0800
Subject: [PATCH] Fix code scanning alert #64: Multiplication result converted
 to larger type

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
---
 kernel/trace/ring_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 77dc0b25140e62..1d38d3a77afe50 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1564,7 +1564,7 @@ static void *rb_range_meta(struct trace_buffer *buffer, int nr_pages, int cpu)
 			/* Save the beginning of this CPU chunk */
 			p = ptr;
 			ptr = rb_range_align_subbuf(ptr, subbuf_size, nr_subbufs);
-			ptr += subbuf_size * nr_subbufs;
+			ptr += (unsigned long)subbuf_size * nr_subbufs;
 
 			/* Now all chunks after this are the same size */
 			size = ptr - p;