The "info.fill" array isn't initialized so it can leak uninitialized stack information to user space.
Signed-off-by: Dan Carpenter <[email protected]> diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index 44d273c..ed5fc43 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -176,6 +176,7 @@ static long gru_get_config_info(unsigned long arg) info.nodes = num_online_nodes(); info.blades = info.nodes / nodesperblade; info.chiplets = GRU_CHIPLETS_PER_BLADE * info.blades; + memset(&info.fill, 0, sizeof(info.fill)); if (copy_to_user((void __user *)arg, &info, sizeof(info))) return -EFAULT; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
