diff options
Diffstat (limited to 'sys/fs/umapfs/umap_vfsops.c')
| -rw-r--r-- | sys/fs/umapfs/umap_vfsops.c | 6 |
1 files changed, 6 insertions, 0 deletions
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, |
