Re: [PATCH] HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()

Benjamin Tissoires
2026-01-07T17:36:42Z

On Thu, 01 Jan 2026 02:18:26 +0800, Kwok Kin Ming wrote:
> `i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)` bytes of data
> into `ihid->rawbuf`.
>
> The former can come from the userspace in the hidraw driver and is only
> bounded by HID_MAX_BUFFER_SIZE(16384) by default (unless we also set
> `max_buffer_size` field of `struct hid_ll_driver` which we do not).
>
> [...]

Applied to hid/hid.git (for-6.19/upstream-fixes), thanks!

[1/1] HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()
https://git.kernel.org/hid/hid/c/2497ff38c530

Cheers,
--
Benjamin Tissoires <bentiss@kernel.org>