From 2d1ad595d15f36a925480199bf1d9ad72614210b Mon Sep 17 00:00:00 2001
From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date: Tue, 16 Apr 2024 09:45:09 +0300
Subject: [PATCH] fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow

[ Upstream commit e931f6b630ffb22d66caab202a52aa8cbb10c649 ]

For example, in the expression:
	vbo = 2 * vbo + skip

Fixes: b46acd6a6a627 ("fs/ntfs3: Add NTFS journal")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/ntfs3/fslog.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index 6ba1357f3ed4..369ab64a0b84 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -1181,7 +1181,8 @@ out:
 static int log_read_rst(struct ntfs_log *log, u32 l_size, bool first,
 			struct restart_info *info)
 {
-	u32 skip, vbo;
+	u32 skip;
+	u64 vbo;
 	struct RESTART_HDR *r_page = NULL;
 
 	/* Determine which restart area we are looking for. */