Huge sets may cause stack to be exhausted. So, put allocate memory for arrays in interval_map_decompose() function on heap.
Signed-off-by: Oleksandr Natalenko <[email protected]> --- src/segtree.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/segtree.c b/src/segtree.c index 5b6cdd1..d3873d9 100644 --- a/src/segtree.c +++ b/src/segtree.c @@ -608,12 +608,15 @@ static int expr_value_cmp(const void *p1, const void *p2) void interval_map_decompose(struct expr *set) { - struct expr *elements[set->size], *ranges[set->size * 2]; + struct expr **elements, **ranges; struct expr *i, *next, *low = NULL, *end; unsigned int n, m, size; mpz_t range, p; bool interval; + elements = xmalloc_array(set->size, sizeof(struct expr *)); + ranges = xmalloc_array(set->size * 2, sizeof(struct expr *)); + mpz_init(range); mpz_init(p); @@ -728,4 +731,7 @@ void interval_map_decompose(struct expr *set) compound_expr_add(set, i); } + + xfree(ranges); + xfree(elements); } -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
