tracer: Fix possible crash on NULL context

CID #200069 (cherry picked from commit 1b4fcc0)
OpenSIPS · Jul 17, 2020 · 9613484 · 9613484
1 parent 5e92aea
commit 9613484
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/modules/tracer/tracer.c b/modules/tracer/tracer.c
@@ -1466,6 +1466,10 @@ static int sip_trace_handle(struct sip_msg *msg, tlist_elem_p el,
 		if (extra_len) {
 			instance->trace_attrs = trace_attrs;
 		}
+	} else if (!current_processing_ctx) {
+		LM_BUG("sip_trace() failed due to NULL context");
+		return -1;
+
 	/* for stateful transactions or dialogs
 	 * we need the structure in the shared memory */
 	} else if(trace_flags == TRACE_DIALOG ||