On Mon, Oct 09, 2017 at 01:05:30PM +0200, Andrey Konovalov wrote:
> On Wed, Oct 4, 2017 at 11:01 AM, Johan Hovold <jo...@kernel.org> wrote:
> > A clean-up patch removing removing two redundant NULL-checks from the
> > console disconnect handler inadvertently also removed a third check.
> > This could lead to the struct usb_serial being prematurely freed by the
> > console code when a driver accepts but does not register any ports for
> > an interface which also lacks endpoint descriptors.
> >
> > Fixes: 0e517c93dc02 ("USB: serial: console: clean up sanity checks")
> > Cc: stable <sta...@vger.kernel.org> # 4.11
> > Reported-by: Andrey Konovalov <andreyk...@google.com>
>
> Tested-by: Andrey Konovalov <andreyk...@google.com>
>
> This fixes the crash.
I just forwarded this one in a pull-request to Greg, but thanks for
testing nonetheless.
Johan
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