kern/thread: fix thread creation

1 files changed, 7 insertions, 1 deletions

diff --git a/kern/thread.c b/kern/thread.c
index 7affc2d8..a54f078e 100644
--- a/kern/thread.c
+++ b/kern/thread.c
@@ -1749,9 +1749,15 @@ thread_create(struct thread **threadp, const struct thread_attr *attr,
     }
 
     thread_init(thread, stack, attr, fn, arg);
-    thread_wakeup(thread);
 
+    /*
+     * The new thread address must be written before the thread is started
+     * in case it's passed to it.
+     */
     *threadp = thread;
+
+    thread_wakeup(thread);
+
     return 0;
 
 error_stack: