CVE-2019-9112

The msm gpu driver for custom Linux kernels on the Xiaomi perseus-p-oss MIX 3 device through 2018-11-26 has an integer overflow and OOPS because of missing checks of the count argument in sdedebugfsconncmdtxwrite in drivers/gpu/drm/msm/sde/sdeconnector.c. This is exploitable for a device crash vi...