The unsuspecting user might use taskset -a mask command. Behavior then is to exec with no affinity applied at all. Better handled by ignoring all_tasks if no pid was given. Signed-off-by: Daniel Stodden <daniel.stodden@xxxxxxxxx> --- schedutils/taskset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/schedutils/taskset.c b/schedutils/taskset.c index aba0b6f..c2b9ab6 100644 --- a/schedutils/taskset.c +++ b/schedutils/taskset.c @@ -217,7 +217,7 @@ int main(int argc, char **argv) argv[optind]); } - if (all_tasks) { + if (all_tasks && pid) { struct proc_tasks *tasks = proc_open_tasks(pid); while (!proc_next_tid(tasks, &ts.pid)) do_taskset(&ts, new_setsize, new_set); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html