Commit a2a8fc27 authored Nov 28, 2025 by Trond Myklebust

NFS: Fix up the automount fs_context to use the correct cred

When automounting, the fs_context should be fixed up to use the cred
from the parent filesystem, since the operation is just extending the
namespace. Authorisation to enter that namespace will already have been
provided by the preceding lookup.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

parent 2b092175

fs/nfs/namespace.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -170,6 +170,11 @@ struct vfsmount nfs_d_automount(struct path path)
		if (!ctx->clone_data.fattr)
		goto out_fc;

		if (fc->cred != server->cred) {
		put_cred(fc->cred);
		fc->cred = get_cred(server->cred);
		}

		if (fc->net_ns != client->cl_net) {
		put_net(fc->net_ns);
		fc->net_ns = get_net(client->cl_net);