NFSv4: Ensure the LOCK call cannot use the delegation stateid



Defensive patch to ensure that we copy the state->open_stateid, which
can never be set to the delegation stateid.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

parent 92b40e93

fs/nfs/nfs4proc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -4793,7 +4793,7 @@ static void nfs4_lock_prepare(struct rpc_task task, void calldata)
		if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0) {
		goto out_release_lock_seqid;
		}
		data->arg.open_stateid = &state->stateid;
		data->arg.open_stateid = &state->open_stateid;
		data->arg.new_lock_owner = 1;
		data->res.open_seqid = data->arg.open_seqid;
		} else