Sector size can not be greater than MAXPHYS. Since GRAID3 calculates

sector size from user-specified block size, report to user about
big blocksize.

PR:		kern/147851
MFC after:	1 week

2 files changed, 9 insertions, 0 deletions

diff --git a/sbin/geom/class/raid3/geom_raid3.c b/sbin/geom/class/raid3/geom_raid3.c
index 7afc71e..3f037cd 100644
--- a/sbin/geom/class/raid3/geom_raid3.c
+++ b/sbin/geom/class/raid3/geom_raid3.c
@@ -213,6 +213,11 @@ raid3_label(struct gctl_req *req)
 	md.md_sectorsize = sectorsize * (nargs - 2);
 	md.md_mediasize -= (md.md_mediasize % md.md_sectorsize);
 
+	if (md.md_sectorsize > MAXPHYS) {
+		gctl_error(req, "The blocksize is too big.");
+		return;
+	}
+
 	/*
 	 * Clear last sector first, to spoil all components if device exists.
 	 */
diff --git a/sys/geom/raid3/g_raid3.c b/sys/geom/raid3/g_raid3.c
index 08792fe..110b3f9 100644
--- a/sys/geom/raid3/g_raid3.c
+++ b/sys/geom/raid3/g_raid3.c
@@ -2913,6 +2913,10 @@ g_raid3_read_metadata(struct g_consumer *cp, struct g_raid3_metadata *md)
 		    cp->provider->name);
 		return (error);
 	}
+	if (md->md_sectorsize > MAXPHYS) {
+		G_RAID3_DEBUG(0, "The blocksize is too big.");
+		return (EINVAL);
+	}
 
 	return (0);
 }