From: Dan Carpenter dan.carpenter@oracle.com
commit 926034353d3c67db1ffeab47dcb7f6bdac02a263 upstream.
The "vcn" variable is a 64 bit. The "log->clst_per_page" variable is a u32. This means that the mask accidentally clears out the high 32 bits when it was only supposed to clear some low bits. Fix this by adding a cast to u64.
Fixes: b46acd6a6a62 ("fs/ntfs3: Add NTFS journal") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ntfs3/fslog.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -5057,7 +5057,7 @@ undo_action_next: goto add_allocated_vcns;
vcn = le64_to_cpu(lrh->target_vcn); - vcn &= ~(log->clst_per_page - 1); + vcn &= ~(u64)(log->clst_per_page - 1);
add_allocated_vcns: for (i = 0, vcn = le64_to_cpu(lrh->target_vcn),