From 06f37a3c86d952c1b93b507736643ac33a5f3cec Mon Sep 17 00:00:00 2001 From: Matt Morehouse Date: Mon, 21 Aug 2023 15:51:18 -0500 Subject: [PATCH] fuzz: target for ping Fuzz the decoding and encoding of ping. --- tests/fuzz/fuzz-wire-ping.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 tests/fuzz/fuzz-wire-ping.c diff --git a/tests/fuzz/fuzz-wire-ping.c b/tests/fuzz/fuzz-wire-ping.c new file mode 100644 index 000000000..b16ea8065 --- /dev/null +++ b/tests/fuzz/fuzz-wire-ping.c @@ -0,0 +1,37 @@ +#include "config.h" +#include +#include +#include +#include + +struct ping { + u16 num_pong_bytes; + u8 *ignored; +}; + +static void *encode(const tal_t *ctx, const struct ping *s) +{ + return towire_ping(ctx, s->num_pong_bytes, s->ignored); +} + +static struct ping *decode(const tal_t *ctx, const void *p) +{ + struct ping *s = tal(ctx, struct ping); + + if (fromwire_ping(s, p, &s->num_pong_bytes, &s->ignored)) + return s; + return tal_free(s); +} + +static bool equal(const struct ping *x, const struct ping *y) +{ + if (x->num_pong_bytes != y->num_pong_bytes) + return false; + return memeq(x->ignored, tal_bytelen(x->ignored), y->ignored, + tal_bytelen(y->ignored)); +} + +void run(const u8 *data, size_t size) +{ + test_decode_encode(data, size, WIRE_PING, struct ping); +}