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[PULL,2/5] virtiofsd: fv_create_listen_socket error path socket leak

Message ID 20200210172918.95874-3-dgilbert@redhat.com
State New
Headers show
Series [PULL,1/5] virtiofsd: Remove fuse_req_getgroups | expand

Commit Message

Dr. David Alan Gilbert Feb. 10, 2020, 5:29 p.m. UTC 
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>
---
 tools/virtiofsd/fuse_virtio.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index 80a6e929df..dd1c605dbf 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;
     }