out_cloudwatch: Fix integer overflow on 32 bit systems when convertin…

…g tv_sec to millis (#3640) Signed-off-by: Neil Bertram <[email protected]>
fluent · Aug 5, 2021 · 4dba97a · 4dba97a
1 parent 9c1252c
commit 4dba97a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/plugins/out_cloudwatch_logs/cloudwatch_api.c b/plugins/out_cloudwatch_logs/cloudwatch_api.c
@@ -437,7 +437,7 @@ int process_event(struct flb_cloudwatch *ctx, struct cw_flush *buf,
         event = &buf->events[buf->event_index];
         event->json = tmp_buf_ptr;
         event->len = written;
-        event->timestamp = (unsigned long long) (tms->tm.tv_sec * 1000 +
+        event->timestamp = (unsigned long long) (tms->tm.tv_sec * 1000ull +
                                                  tms->tm.tv_nsec/1000000);
 
     }