If entry->type is to be used as array index, it needs to be at max one less than that array's size. Signed-off-by: Phil Sutter <phil@xxxxxx> --- libxtables/xtoptions.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libxtables/xtoptions.c b/libxtables/xtoptions.c index ba3128bdbeb6b..326febd50dc90 100644 --- a/libxtables/xtoptions.c +++ b/libxtables/xtoptions.c @@ -844,7 +844,7 @@ void xtables_option_parse(struct xt_option_call *cb) * a *RC option type. */ cb->nvals = 1; - if (entry->type <= ARRAY_SIZE(xtopt_subparse) && + if (entry->type < ARRAY_SIZE(xtopt_subparse) && xtopt_subparse[entry->type] != NULL) xtopt_subparse[entry->type](cb); /* Exclusion with other flags tested later in finalize. */ -- 2.18.0
