bgpd: enable deferred forkserver mode

Having narrowed down the issue with deferred mode to capability privs,
and having disabled those, we can now use afl deferred mode for...10x
performance gainz?!?!? zomg!

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

diff --git a/bgpd/bgp_main.c b/bgpd/bgp_main.c
index 26c22c09793443b215fd13d534df48c20a97ed39..39b1b5591bcfe5a450bfa623277e3ae999052b86 100644 (file)
--- a/bgpd/bgp_main.c
+++ b/bgpd/bgp_main.c
@@ -426,17 +426,17 @@ int main(int argc, char **argv)
        /* Initialize basic BGP datastructures */
        bgp_master_init(frr_init_fast(), buffer_size);
        bm->port = bgp_port;
-       if (bgp_port == 0)
-               bgp_option_set(BGP_OPT_NO_LISTEN);
+       bgp_option_set(BGP_OPT_NO_LISTEN);
        bm->address = bgp_address;
-       if (no_fib_flag || no_zebra_flag)
-               bgp_option_set(BGP_OPT_NO_FIB);
-       if (no_zebra_flag)
-               bgp_option_set(BGP_OPT_NO_ZEBRA);
+
+
+       bgp_option_set(BGP_OPT_NO_FIB);
+       bgp_option_set(BGP_OPT_NO_ZEBRA);
        bgp_error_init();
        // bgp_vrf_init();
        bgp_init((unsigned short)instance);
 
+
        /* Create a default instance and peer */
        struct bgp *b;
        as_t as = 65001;
@@ -461,6 +461,10 @@ int main(int argc, char **argv)
                SET_FLAG(p->af_cap[afi][safi], 0x3FFF);
        }
 
+#ifdef __AFL_HAVE_MANUAL_CONTROL
+       __AFL_INIT();
+#endif
+
 
        uint8_t *input;
        int r = frrfuzz_read_input(&input);