From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:25:50 +0200 Subject: Adding upstream version 241. Signed-off-by: Daniel Baumann --- src/fuzz/fuzz-bus-message.c | 47 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/fuzz/fuzz-bus-message.c (limited to 'src/fuzz/fuzz-bus-message.c') diff --git a/src/fuzz/fuzz-bus-message.c b/src/fuzz/fuzz-bus-message.c new file mode 100644 index 0000000..9842c62 --- /dev/null +++ b/src/fuzz/fuzz-bus-message.c @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include +#include + +#include "alloc-util.h" +#include "bus-dump.h" +#include "bus-message.h" +#include "env-util.h" +#include "fd-util.h" +#include "fuzz.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + _cleanup_free_ char *out = NULL; /* out should be freed after g */ + size_t out_size; + _cleanup_fclose_ FILE *g = NULL; + _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; + _cleanup_free_ void *buffer = NULL; + int r; + + /* We don't want to fill the logs with messages about parse errors. + * Disable most logging if not running standalone */ + if (!getenv("SYSTEMD_LOG_LEVEL")) + log_set_max_level(LOG_CRIT); + + r = sd_bus_new(&bus); + assert_se(r >= 0); + + assert_se(buffer = memdup(data, size)); + + r = bus_message_from_malloc(bus, buffer, size, NULL, 0, NULL, &m); + if (r == -EBADMSG) + return 0; + assert_se(r >= 0); + TAKE_PTR(buffer); + + if (getenv_bool("SYSTEMD_FUZZ_OUTPUT") <= 0) + assert_se(g = open_memstream(&out, &out_size)); + + bus_message_dump(m, g ?: stdout, BUS_MESSAGE_DUMP_WITH_HEADER); + + r = sd_bus_message_rewind(m, true); + assert_se(r >= 0); + + return 0; +} -- cgit v1.2.3