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Make sure the string is terminated, fixed invalid read in SDL_PrivateGameControllerParseControllerConfigString()

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(cherry picked from commit 312f98c2a1edaf9590fc06d10f201996c059d869)
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Sylvain 2023-12-23 21:30:09 +01:00 committed by Sam Lantinga
parent e7c4575719
commit 3a8032f491
1 changed files with 2 additions and 0 deletions
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2
src/joystick/SDL_gamecontroller.c
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@ -1066,6 +1066,7 @@ static void SDL_PrivateGameControllerParseControllerConfigString(SDL_GameControl
} else if (bGameButton) { } else if (bGameButton) {
if (i >= sizeof(szGameButton)) { if (i >= sizeof(szGameButton)) {
szGameButton[sizeof(szGameButton) - 1] = '\0';
SDL_SetError("Button name too large: %s", szGameButton); SDL_SetError("Button name too large: %s", szGameButton);
return; return;
} }
@ -1073,6 +1074,7 @@ static void SDL_PrivateGameControllerParseControllerConfigString(SDL_GameControl
i++; i++;
} else { } else {
if (i >= sizeof(szJoystickButton)) { if (i >= sizeof(szJoystickButton)) {
szJoystickButton[sizeof(szJoystickButton) - 1] = '\0';
SDL_SetError("Joystick button name too large: %s", szJoystickButton); SDL_SetError("Joystick button name too large: %s", szJoystickButton);
return; return;
} }