Index: server/core.c
===================================================================
--- server/core.c	(revision 290656)
+++ server/core.c	(working copy)
@@ -4320,6 +4320,9 @@
                 c->aborted = 1;
             }
 
+            /* Ensure all input is now consumed. */
+            apr_brigade_cleanup(b);
+
             /* The client has aborted, but the request was successful. We
              * will report success, and leave it to the access and error
              * logs to note that the connection was aborted.