From 2c20c7d96e45fd9642fe6d12486cda9ef80661df Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 14 Apr 2021 10:40:58 +0200 Subject: [PATCH] virtiofs: fix userns [ 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 Signed-off-by: Sasha Levin --- 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 f0a7f1b..b9cfb11 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -1457,8 +1457,7 @@ static int virtio_fs_get_tree(struct fs_context *fsc) return -ENOMEM; } - 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; -- 2.7.4