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[PULL,04/17] block/nfs: Check for NULL server part

Message ID 1399662217-31148-5-git-send-email-stefanha@redhat.com
State New
Headers show

Commit Message

Stefan Hajnoczi May 9, 2014, 7:03 p.m. UTC 
From: Max Reitz <mreitz@redhat.com>

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 | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

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 @@  static int64_t nfs_client_open(NFSClient *client, const char *filename,
         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");