fix memleak in libfuzzer entrypoint

diff --git a/bgpd/bgp_main.c b/bgpd/bgp_main.c
index 0284086dddaa795f34cbb20178014496eb5ad3d6..be946cde045625c253b398818dd6d9b30386b684 100644 (file)
--- a/bgpd/bgp_main.c
+++ b/bgpd/bgp_main.c
@@ -494,8 +494,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
         * BGP message is correct, and this check is performed by the i/o code,
         * so we need to make sure that remains true for fuzzed input.
         * */
-       if (!validate_header(p))
-               return 0;
+       if (!validate_header(p)) {
+               goto done;
+       }
 
        int result = 0;
        unsigned char pktbuf[BGP_MAX_PACKET_SIZE];
@@ -517,6 +518,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
                result = bgp_process_packet(&t);
        }
 
+done:
        peer_delete(p);
        FuzzingPeer = NULL;