Author: pjd
Date: Sat Jan 4 09:27:49 2014
New Revision: 260254
URL: http://svnweb.freebsd.org/changeset/base/260254
Log:
Don't allow to create GELI providers with a sector size, which is no a
power of 2.
Noticed by: rwatson
MFC after: 3 days
Modified:
head/sbin/geom/class/eli/geom_eli.c
Modified: head/sbin/geom/class/eli/geom_eli.c
==============================================================================
--- head/sbin/geom/class/eli/geom_eli.c Sat Jan 4 09:25:27 2014
(r260253)
+++ head/sbin/geom/class/eli/geom_eli.c Sat Jan 4 09:27:49 2014
(r260254)
@@ -789,7 +789,7 @@ eli_init(struct gctl_req *req)
if (val == 0)
md.md_sectorsize = secsize;
else {
- if (val < 0 || (val % secsize) != 0) {
+ if (val < 0 || (val % secsize) != 0 || !powerof2(val)) {
gctl_error(req, "Invalid sector size.");
return;
}
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