From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Mon, 15 Oct 2018 12:43:25 +0000 (+0200)
Subject: cov: index off by one
X-Git-Tag: v2_03_01~37
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=77aa055e8a34eb7f0036b6240f3f93dc429c0c02;p=lvm2.git

cov: index off by one

Basically apply stable patch fdb6ef8a85e9adc4805202b3200b17bd3b351982 to internal libdm version.
---

diff --git a/device_mapper/libdm-common.c b/device_mapper/libdm-common.c
index 111fff680..eec31d7fb 100644
--- a/device_mapper/libdm-common.c
+++ b/device_mapper/libdm-common.c
@@ -1765,7 +1765,7 @@ static int _mountinfo_parse_line(const char *line, unsigned *maj, unsigned *min,
 			return 0;
 		}
 		devmapper += 12; /* skip fixed prefix */
-		for (i = 0; devmapper[i] && devmapper[i] != ' ' && i < sizeof(root); ++i)
+		for (i = 0; devmapper[i] && devmapper[i] != ' ' && i < sizeof(root)-1; ++i)
 			root[i] = devmapper[i];
 		root[i] = 0;
 		_unmangle_mountinfo_string(root, buf);