Subject: Kernel memory leak on CDC-ACM device plug/unplug

From: [email-masked] (Oliver Neukum)
Date: Fri, 21 Sep 2018 10:08:24 +0200

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