fuzz-dhcp6-client: avoid assertion failure on samples which dont fit in pipe

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11584.
2019-03-02 20:29:07 +09:00 · 2019-03-02 20:29:07 +09:00 · 55ac7b6314
parent 965bfcd6b2
commit 55ac7b6314
2 changed files with 5 additions and 0 deletions
--- a/src/fuzz/fuzz-dhcp6-client.c
+++ b/src/fuzz/fuzz-dhcp6-client.c
@ -49,6 +49,9 @@ static void fuzz_client(const uint8_t *data, size_t size, bool is_information_re
 }

 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+        if (size > 65536)
+                return 0;
+
        /* This triggers client_receive_advertise */
        fuzz_client(data, size, false);

--- a/src/fuzz/fuzz-dhcp6-client.options
+++ b/src/fuzz/fuzz-dhcp6-client.options
@ -0,0 +1,2 @@
+[libfuzzer]
+max_len = 65536