[PATCH 5/9] fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow

From: Konstantin Komarov
Date: Tue Apr 23 2024 - 02:46:40 EST


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

Fixes: b46acd6a6a627 ("fs/ntfs3: Add NTFS journal")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
---
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 d9d08823de62..d7807d255dfe 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -1184,7 +1184,8 @@ static int read_log_page(struct ntfs_log *log, u32 vbo,
static int log_read_rst(struct ntfs_log *log, 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. */
--
2.34.1