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Fix out of bound read of 'has_hat' array

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(cherry picked from commit 94b3f78c44)
(cherry picked from commit f348370e1b)
This commit is contained in:
Mathieu Eyraud
2023-08-10 15:05:29 +02:00
committed by Sam Lantinga
parent 2319b2635b
commit 739d3ec189
1 changed files with 1 additions and 1 deletions
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2
src/joystick/linux/SDL_sysjoystick.c
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@@ -1041,7 +1041,7 @@ static void ConfigJoystick(SDL_Joystick *joystick, int fd)
}
for (i = 0; i < ABS_MAX; ++i) {
/* Skip digital hats */
if (joystick->hwdata->has_hat[(i - ABS_HAT0X) / 2]) {
if (i >= ABS_HAT0X && i <= ABS_HAT3Y && joystick->hwdata->has_hat[(i - ABS_HAT0X) / 2]) {
continue;
}
if (test_bit(i, absbit)) {