Kernel memory leak on CDC-ACM device plug/unplug

Romain Izard at
Fri Sep 21 03:11:33 PDT 2018

2018-09-21 10:08 GMT+02:00 Oliver Neukum <oneukum at>:
> 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

The fix for this issue is the following patch:

Best regards,
Romain Izard

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