Initialize the nfsd filesystem as a pseudo filesystem. This raises SB_I_PSEUDO and also SB_I_NOEXEC and SB_I_NODEV. It never holds executables or device nodes.
Signed-off-by: Christian Brauner (Amutable) <[email protected]> --- fs/nfsd/nfsctl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index f32311f2d7cf..ce2666deddbd 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -9,6 +9,7 @@ #include <linux/namei.h> #include <linux/ctype.h> #include <linux/fs_context.h> +#include <linux/pseudo_fs.h> #include <linux/sunrpc/cache.h> #include <linux/sunrpc/svcsock.h> @@ -1375,6 +1376,7 @@ static int nfsd_init_fs_context(struct fs_context *fc) { put_user_ns(fc->user_ns); fc->user_ns = get_user_ns(fc->net_ns->user_ns); + fc_init_pseudo(fc); fc->ops = &nfsd_fs_context_ops; return 0; } -- 2.53.0
