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fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow

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[ Upstream commit e931f6b630ffb22d66caab202a52aa8cbb10c649 ]

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

Fixes: b46acd6a6a ("fs/ntfs3: Add NTFS journal")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Komarov 2024-04-16 09:45:09 +03:00 • committed by Greg Kroah-Hartman
parent 6c8054d590
commit 109d85a983
1 changed files with 2 additions and 1 deletions
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3
fs/ntfs3/fslog.c
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@ -1184,7 +1184,8 @@ out:
static int log_read_rst(struct ntfs_log *log, bool first, static int log_read_rst(struct ntfs_log *log, bool first,
struct restart_info *info) struct restart_info *info)
{ {
u32 skip, vbo; u32 skip;
u64 vbo;
struct RESTART_HDR *r_page = NULL; struct RESTART_HDR *r_page = NULL;
/* Determine which restart area we are looking for. */ /* Determine which restart area we are looking for. */