Add RangeTransform::m_write_vio state checks (apache#8980)

JosiahWI · Aug 2, 2022 · e912ece · e912ece
1 parent 7bcfcf9
commit e912ece
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/proxy/Transform.cc b/proxy/Transform.cc
@@ -791,7 +791,9 @@ RangeTransform::handle_event(int event, void *edata)
   } else {
     switch (event) {
     case VC_EVENT_ERROR:
-      m_write_vio.cont->handleEvent(VC_EVENT_ERROR, &m_write_vio);
+      if (m_write_vio.cont) {
+        m_write_vio.cont->handleEvent(VC_EVENT_ERROR, &m_write_vio);
+      }
       break;
     case VC_EVENT_WRITE_COMPLETE:
       ink_assert(m_output_vio == (VIO *)edata);
@@ -814,6 +816,10 @@ RangeTransform::handle_event(int event, void *edata)
         }
       }
 
+      if (!m_write_vio.mutex) {
+        return 0;
+      }
+
       MUTEX_TRY_LOCK(trylock, m_write_vio.mutex, this_ethread());
       if (!trylock.is_locked()) {
         retry(10);