Merge remote-tracking branch 'regmap/for-next'

[karo-tx-linux.git] / tools / perf / util / intel-pt.c

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 81a2eb77ba7ff56f7558328437fa32e8345051cd..05d815851be19bd40e00672c913a83ad2003175a 100644 (file)
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2068,6 +2068,15 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
                err = -ENOMEM;
                goto err_free_queues;
        }
+
+       /*
+        * Since this thread will not be kept in any rbtree not in a
+        * list, initialize its list node so that at thread__put() the
+        * current thread lifetime assuption is kept and we don't segfault
+        * at list_del_init().
+        */
+       INIT_LIST_HEAD(&pt->unknown_thread->node);
+
        err = thread__set_comm(pt->unknown_thread, "unknown", 0);
        if (err)
                goto err_delete_thread;