On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka decimal 1074316661).
The product dereferences a pointer that it expects to be valid but is NULL.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mi_mix_2_firmware | Mi | 4.4.78 (including) | 4.4.78 (including) |