[lxc-devel] [lxd/master] ceph: sanitize path return from rbd map
brauner on Github
lxc-bot at linuxcontainers.org
Thu Aug 31 00:33:20 UTC 2017
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From baba9d5e556f76a78dbd3be281c645949597cb2a Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner at ubuntu.com>
Date: Thu, 31 Aug 2017 02:31:54 +0200
Subject: [PATCH] ceph: sanitize path return from rbd map
Closes #3726.
Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>
---
lxd/storage_ceph_utils.go | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lxd/storage_ceph_utils.go b/lxd/storage_ceph_utils.go
index 060f30d12..1f4ec0e2e 100644
--- a/lxd/storage_ceph_utils.go
+++ b/lxd/storage_ceph_utils.go
@@ -133,6 +133,12 @@ func cephRBDVolumeMap(clusterName string, poolName string, volumeName string,
return "", err
}
+ idx := strings.Index(devPath, "/dev/rbd")
+ if idx < 0 {
+ return "", fmt.Errorf("Failed to detect mapped device path")
+ }
+
+ devPath = devPath[idx:]
return strings.TrimSpace(devPath), nil
}
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