From 3b6461ee08654b2cbb6d4e0cc15c02f89a6610d5 Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Tue, 3 Mar 2020 18:43:09 +0000
Subject: [PATCH 13/18] virtiofsd: fv_create_listen_socket error path socket
 leak
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20200303184314.155564-3-dgilbert@redhat.com>
Patchwork-id: 94124
O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH 2/7] virtiofsd: fv_create_listen_socket error path socket leak
Bugzilla: 1797064
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
RH-Acked-by: Ján Tomko <jtomko@redhat.com>

From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

If we fail when bringing up the socket we can leak the listen_fd;
in practice the daemon will exit so it's not really a problem.

Fixes: Coverity CID 1413121
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit 6fa249027f97e3080f3d9c0fab3f94f8f80828fe)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
 tools/virtiofsd/fuse_virtio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index 80a6e92..dd1c605 100644
--- a/tools/virtiofsd/fuse_virtio.c
+++ b/tools/virtiofsd/fuse_virtio.c
@@ -916,6 +916,7 @@ static int fv_create_listen_socket(struct fuse_session *se)
     old_umask = umask(0077);
     if (bind(listen_sock, (struct sockaddr *)&un, addr_len) == -1) {
         fuse_log(FUSE_LOG_ERR, "vhost socket bind: %m\n");
+        close(listen_sock);
         umask(old_umask);
         return -1;
     }
@@ -923,6 +924,7 @@ static int fv_create_listen_socket(struct fuse_session *se)
 
     if (listen(listen_sock, 1) == -1) {
         fuse_log(FUSE_LOG_ERR, "vhost socket listen: %m\n");
+        close(listen_sock);
         return -1;
     }
 
-- 
1.8.3.1