From 39c5ade944006ed5cb8e657fa4be975ac58a888b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 20 Oct 2024 17:10:42 -0700 Subject: [PATCH] xfs: assert a valid limit in xfs_rtfind_forw Source kernel commit: 6d2db12d56a389b3e8efa236976f8dc3a8ae00f0 Protect against developers passing stupid limits when refactoring the RT code once again. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- libxfs/xfs_rtbitmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c index c7613f2d..f578b0d3 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. */ -- 2.47.2