Kernel memory leak on CDC-ACM device plug/unplug

Oliver Neukum oneukum at
Fri Sep 21 01:08:24 PDT 2018

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.


nothing is immediately obvious to me. Could you compile a kernel with


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