From: Miklos Szeredi mszeredi@redhat.com
[ Upstream commit 0a7419c68a45d2d066b996be5087aa2d07ce80eb ]
get_user_ns() is done twice (once in virtio_fs_get_tree() and once in fuse_conn_init()), resulting in a reference leak.
Also looks better to use fsc->user_ns (which *should* be the current_user_ns() at this point).
Signed-off-by: Miklos Szeredi mszeredi@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/fuse/virtio_fs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index 4ee6f734ba83..46e243bcb150 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -1436,8 +1436,7 @@ static int virtio_fs_get_tree(struct fs_context *fsc) if (!fm) goto out_err;
- fuse_conn_init(fc, fm, get_user_ns(current_user_ns()), - &virtio_fs_fiq_ops, fs); + fuse_conn_init(fc, fm, fsc->user_ns, &virtio_fs_fiq_ops, fs); fc->release = fuse_free_conn; fc->delete_stale = true; fc->auto_submounts = true;