From: Christoph Hellwig <hch@xxxxxx> Source kernel commit: 6d2db12d56a389b3e8efa236976f8dc3a8ae00f0 Protect against developers passing stupid limits when refactoring the RT code once again. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> --- libxfs/xfs_rtbitmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c index c7613f2de7b0a0..f578b0d34b36d3 100644 --- a/libxfs/xfs_rtbitmap.c +++ b/libxfs/xfs_rtbitmap.c @@ -313,6 +313,8 @@ xfs_rtfind_forw( xfs_rtword_t incore; unsigned int word; /* word number in the buffer */ + ASSERT(start <= limit); + /* * Compute and read in starting bitmap block for starting block. */
