forked from luck/tmp_suning_uos_patched
Input: fix potential overflows in driver/input/keyboard
Change all sprintfs into snprintfs to make sure we won't stomp on data adjacent to our buffers. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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a21466cc77
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@ -776,12 +776,15 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd)
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int i;
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if (atkbd->extra)
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sprintf(atkbd->name, "AT Set 2 Extra keyboard");
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snprintf(atkbd->name, sizeof(atkbd->name),
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"AT Set 2 Extra keyboard");
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else
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sprintf(atkbd->name, "AT %s Set %d keyboard",
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atkbd->translated ? "Translated" : "Raw", atkbd->set);
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snprintf(atkbd->name, sizeof(atkbd->name),
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"AT %s Set %d keyboard",
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atkbd->translated ? "Translated" : "Raw", atkbd->set);
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sprintf(atkbd->phys, "%s/input0", atkbd->ps2dev.serio->phys);
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snprintf(atkbd->phys, sizeof(atkbd->phys),
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"%s/input0", atkbd->ps2dev.serio->phys);
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input_dev->name = atkbd->name;
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input_dev->phys = atkbd->phys;
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@ -384,18 +384,21 @@ lkkbd_detection_done (struct lkkbd *lk)
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*/
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switch (lk->id[4]) {
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case 1:
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sprintf (lk->name, "DEC LK201 keyboard");
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strlcpy (lk->name, "DEC LK201 keyboard",
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sizeof (lk->name));
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if (lk201_compose_is_alt)
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lk->keycode[0xb1] = KEY_LEFTALT;
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break;
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case 2:
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sprintf (lk->name, "DEC LK401 keyboard");
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strlcpy (lk->name, "DEC LK401 keyboard",
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sizeof (lk->name));
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break;
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default:
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sprintf (lk->name, "Unknown DEC keyboard");
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strlcpy (lk->name, "Unknown DEC keyboard",
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sizeof (lk->name));
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printk (KERN_ERR "lkkbd: keyboard on %s is unknown, "
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"please report to Jan-Benedict Glaw "
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"<jbglaw@lug-owl.de>\n", lk->phys);
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@ -96,7 +96,7 @@ static int nkbd_connect(struct serio *serio, struct serio_driver *drv)
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nkbd->serio = serio;
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nkbd->dev = input_dev;
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sprintf(nkbd->phys, "%s/input0", serio->phys);
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snprintf(nkbd->phys, sizeof(nkbd->phys), "%s/input0", serio->phys);
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memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode));
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input_dev->name = "Newton Keyboard";
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@ -263,7 +263,7 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
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goto fail;
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}
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sprintf(sunkbd->name, "Sun Type %d keyboard", sunkbd->type);
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snprintf(sunkbd->name, sizeof(sunkbd->name), "Sun Type %d keyboard", sunkbd->type);
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memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode));
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input_dev->name = sunkbd->name;
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@ -100,7 +100,7 @@ static int xtkbd_connect(struct serio *serio, struct serio_driver *drv)
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xtkbd->serio = serio;
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xtkbd->dev = input_dev;
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sprintf(xtkbd->phys, "%s/input0", serio->phys);
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snprintf(xtkbd->phys, sizeof(xtkbd->phys), "%s/input0", serio->phys);
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memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode));
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input_dev->name = "XT Keyboard";
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