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

Konstantin Komarov posted 9 patches 1 year, 9 months ago
[PATCH 5/9] fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow
Posted by Konstantin Komarov 1 year, 9 months ago
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>
---
 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