CVE-2026-80768 HID: ft260: fix stack-use-after-return write in I2C read race

In the Linux kernel, the following vulnerability has been resolved: HID: ft260: fix stack-use-after-return write in I2C read race ft260i2cread points dev-readbuf at a caller-supplied buffer often an on-stack variable, arms a completion and waits up to five seconds for the device to return the dat...