From: Dan Williams <dan.j.williams@intel.com>
Date: Mon, 14 Jul 2008 20:57:33 +0000 (-0700)
Subject: imsm: fail ->open_new if container_member is out of range
X-Git-Tag: mdadm-3.0-devel1~117
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0372d5a2f472eb0b1d07b03661c35f51cec5fe0c;p=thirdparty%2Fmdadm.git

imsm: fail ->open_new if container_member is out of range

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

diff --git a/super-intel.c b/super-intel.c
index ea29540e..eadfb59b 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -1627,6 +1627,15 @@ static struct mdinfo *container_content_imsm(struct supertype *st)
 static int imsm_open_new(struct supertype *c, struct active_array *a,
 			 char *inst)
 {
+	struct intel_super *super = c->sb;
+	struct imsm_super *mpb = super->mpb;
+	
+	if (atoi(inst) + 1 > mpb->num_raid_devs) {
+		fprintf(stderr, "%s: subarry index %d, out of range\n",
+			__func__, atoi(inst));
+		return -ENODEV;
+	}
+
 	dprintf("imsm: open_new %s\n", inst);
 	a->info.container_member = atoi(inst);
 	return 0;