Fix #861: use safer sprintf formatting

diff --git a/PVE/RPCEnvironment.pm b/PVE/RPCEnvironment.pm
index 52c5f64ce0cf577b1785ba390afef9a97a179e43..b3a7dc7ade4072e576e2b0b9b661f9512a6049a5 100644 (file)
--- a/PVE/RPCEnvironment.pm
+++ b/PVE/RPCEnvironment.pm
@@ -676,7 +676,7 @@ sub active_workers  {
        my @arlist = ();
        foreach my $task (@ta) {
            if (!$task->{saved}) {
-               $archive .= sprintf("$task->{upid} %08X $task->{status}\n", $task->{endtime});
+               $archive .= sprintf("%s %08X %s\n", $task->{upid}, $task->{endtime}, $task->{status});
                $save = 1;
                push @arlist, $task;
                $task->{saved} = 1;