From bd6f9cb9b63e7a70079067566e50b59abc81ce16 Mon Sep 17 00:00:00 2001 From: kris Date: Mon, 10 Sep 2001 11:28:07 +0000 Subject: Fix some signed/unsigned integer confusion, and add bounds checking of arguments to some functions. Obtained from: NetBSD Reviewed by: peter MFC after: 2 weeks --- sys/fs/umapfs/umap_vfsops.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'sys/fs/umapfs') diff --git a/sys/fs/umapfs/umap_vfsops.c b/sys/fs/umapfs/umap_vfsops.c index 6e01f3d..116ce16 100644 --- a/sys/fs/umapfs/umap_vfsops.c +++ b/sys/fs/umapfs/umap_vfsops.c @@ -167,6 +167,12 @@ umapfs_mount(mp, path, data, ndp, p) /* * Now copy in the number of entries and maps for umap mapping. */ + if (args.nentries > MAPFILEENTRIES || args.gnentries > + GMAPFILEENTRIES) { + vput(lowerrootvp); + return (error); + } + amp->info_nentries = args.nentries; amp->info_gnentries = args.gnentries; error = copyin(args.mapdata, (caddr_t)amp->info_mapdata, -- cgit v1.1