From 55ac7b63147463beecdc5d28cfee7ee3b2dc2eac Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Sat, 2 Mar 2019 20:29:07 +0900 Subject: [PATCH] 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. --- src/fuzz/fuzz-dhcp6-client.c | 3 +++ src/fuzz/fuzz-dhcp6-client.options | 2 ++ 2 files changed, 5 insertions(+) create mode 100644 src/fuzz/fuzz-dhcp6-client.options diff --git a/src/fuzz/fuzz-dhcp6-client.c b/src/fuzz/fuzz-dhcp6-client.c index c9bc2b3815..6d887eaf1f 100644 --- 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); diff --git a/src/fuzz/fuzz-dhcp6-client.options b/src/fuzz/fuzz-dhcp6-client.options new file mode 100644 index 0000000000..678d526b1e --- /dev/null +++ b/src/fuzz/fuzz-dhcp6-client.options @@ -0,0 +1,2 @@ +[libfuzzer] +max_len = 65536