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[PULL,5/5] virtiofsd: Error on bad socket group name

Message ID 20211026102933.103139-6-dgilbert@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,1/5] virtiofsd: xattr mapping add a new type "unsupported" | expand

Commit Message

Dr. David Alan Gilbert Oct. 26, 2021, 10:29 a.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

Make the '--socket-group=' option fail if the group name is unknown:

./tools/virtiofsd/virtiofsd .... --socket-group=zaphod
vhost socket: unable to find group 'zaphod'

Reported-by: Xiaoling Gao <xiagao@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20211014122554.34599-1-dgilbert@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 tools/virtiofsd/fuse_virtio.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index baead08b28..60b96470c5 100644
--- a/tools/virtiofsd/fuse_virtio.c
+++ b/tools/virtiofsd/fuse_virtio.c
@@ -988,6 +988,13 @@  static int fv_create_listen_socket(struct fuse_session *se)
                          "vhost socket failed to set group to %s (%d): %m\n",
                          se->vu_socket_group, g->gr_gid);
             }
+        } else {
+            fuse_log(FUSE_LOG_ERR,
+                     "vhost socket: unable to find group '%s'\n",
+                     se->vu_socket_group);
+            close(listen_sock);
+            umask(old_umask);
+            return -1;
         }
     }
     umask(old_umask);