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fix(hid): Correct off-by-one buffer overflow with NKRO

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This commit is contained in:
Keeley Hoek
2024-04-07 07:05:51 -04:00
committed by Pete Johanson
parent a9021deef6
commit e22bc7620c
2 changed files with 4 additions and 2 deletions
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4
app/include/zmk/hid.h
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@@ -6,6 +6,8 @@
#pragma once
#include <zephyr/sys/util.h>
#include <zephyr/usb/usb_device.h>
#include <zephyr/usb/class/usb_hid.h>
@@ -200,7 +202,7 @@ struct zmk_hid_keyboard_report_body {
zmk_mod_flags_t modifiers;
uint8_t _reserved;
#if IS_ENABLED(CONFIG_ZMK_HID_REPORT_TYPE_NKRO)
uint8_t keys[(ZMK_HID_KEYBOARD_NKRO_MAX_USAGE + 1) / 8];
uint8_t keys[DIV_ROUND_UP(ZMK_HID_KEYBOARD_NKRO_MAX_USAGE + 1, 8)];
#elif IS_ENABLED(CONFIG_ZMK_HID_REPORT_TYPE_HKRO)
uint8_t keys[CONFIG_ZMK_HID_KEYBOARD_REPORT_SIZE];
#endif