From 6d2db12d56a389b3e8efa236976f8dc3a8ae00f0 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 30 Aug 2024 15:36:54 -0700 Subject: [PATCH] xfs: assert a valid limit in xfs_rtfind_forw 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 --- fs/xfs/libxfs/xfs_rtbitmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 9feeefe53948..4de97c4e8ebd 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -315,6 +315,8 @@ 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. */ -- 2.20.1