On Mi, 2018-09-19 at 16:11 +0200, Romain Izard wrote: > While trying to debug a memory leak problem, I encountered the following > problem: > > After plugging/unplugging an USB CDC-ACM device, kmemleak reports multiple > copies of the following leak. It is not necessary to open the port for the > leak to happen. Hi, nothing is immediately obvious to me. Could you compile a kernel with CONFIG_DEBUG_KMEMLEAK? Regards Oliver