Messages in this thread | | | Date | Thu, 18 Oct 2018 17:17:56 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH stable v4.4+] usb: gadget: serial: fix oops when data rx'd after close |
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On Thu, Oct 18, 2018 at 04:28:20PM +0200, Krzysztof Kozlowski wrote: > From: Stephen Warren <swarren@nvidia.com> > > commit daa35bd95634a2a2d72d1049c93576a02711cb1a upstream > > When the gadget serial device has no associated TTY, do not pass any > received data into the TTY layer for processing; simply drop it instead. > This prevents the TTY layer from calling back into the gadget serial > driver, which will then crash in e.g. gs_write_room() due to lack of > gadget serial device to TTY association (i.e. a NULL pointer dereference). > > Signed-off-by: Stephen Warren <swarren@nvidia.com> > Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> > Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Now queued up, thanks.
greg k-h
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