commit 5f4d5e1aa652712ea39b6fd97114378c5c15ccda
author Max Reitz <mreitz@redhat.com> Mon May 05 20:27:49 2014 +0200
committer Stefan Hajnoczi <stefanha@redhat.com> Fri May 09 13:32:16 2014 +0200
tree 05bcf694e0871dc97148192315a9029911b528af
parent 1a443c1b8b4314d365e82bddeb1de5b4b1c15fb3

block/nfs: Check for NULL server part

After the URL has been parsed make sure the server part is valid in
order to avoid a segmentation fault when calling nfs_mount().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

block/nfs.c

diff --git a/block/nfs.c b/block/nfs.c
index 9fa831f..539bd95 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -256,6 +256,10 @@
         error_setg(errp, "Invalid URL specified");
         goto fail;
     }
+    if (!uri->server) {
+        error_setg(errp, "Invalid URL specified");
+        goto fail;
+    }
     strp = strrchr(uri->path, '/');
     if (strp == NULL) {
         error_setg(errp, "Invalid URL specified");