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-rw-r--r--kern/thread.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kern/thread.c b/kern/thread.c
index 08d685ec..0e3cc2c9 100644
--- a/kern/thread.c
+++ b/kern/thread.c
@@ -869,6 +869,9 @@ kern_return_t thread_terminate_release(
if (task == NULL)
return KERN_INVALID_ARGUMENT;
+ if (thread == NULL)
+ return KERN_INVALID_ARGUMENT;
+
mach_port_deallocate(task->itk_space, thread_name);
if (reply_port != MACH_PORT_NULL)