tomato/toxcore/tox_events_fuzz_test.cc
Green Sky a3126d581b Squashed 'external/toxcore/c-toxcore/' changes from 67badf694..82460b212
82460b212 feat: add ngc events
24b54722a fix: Ensure we have allocators available for the error paths.
48dbcfebc cleanup: Remove redundant `-DSODIUM_EXPORT` from definitions.
0cef46ee9 cleanup: Fix a few more clang-tidy warnings.
0c5b918e9 cleanup: Fix a few more clang-tidy warnings.
4d3c97f49 cleanup: Enforce stricter identifier naming using clang-tidy.
a549807df refactor: Add `mem` module to allow tests to override allocators.
6133fb153 chore: Add devcontainer setup for codespaces.
620e07ecd chore: Set a timeout for tests started using Conan
c0ec33b16 chore: Migrate Windows CI from Appveyor to Azure DevOps
8ed47f3ef fix incorrect documentation
a1e245841 docs: Fix doxygen config and remove some redundant comments.
b0f633185 chore: Fix the Android CI job
7469a529b fix: Add missing `#include <array>`.
2b1a6b0d2 add missing ngc constants getter declarations and definitions
2e02d5637 chore: Add missing module dependencies.
REVERT: 67badf694 feat: add ngc events

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 82460b2124216af1ac9d63060de310a682a2fd15
2023-10-10 19:37:39 +02:00

46 lines
1.2 KiB
C++

#include "tox_events.h"
#include <cstdint>
#include <cstring>
#include <vector>
#include "../testing/fuzzing/fuzz_support.h"
namespace {
void TestUnpack(Fuzz_Data data)
{
// 2 bytes: size of the events data
CONSUME_OR_RETURN(const uint8_t *events_size_bytes, data, sizeof(uint16_t));
uint16_t events_size;
std::memcpy(&events_size, events_size_bytes, sizeof(uint16_t));
// events_size bytes: events data (max 64K)
CONSUME_OR_RETURN(const uint8_t *events_data, data, events_size);
if (data.size == 0) {
// If there's no more input, no malloc failure paths can possibly be
// tested, so we ignore this input.
return;
}
// rest of the fuzz data is input for malloc
Fuzz_System sys{data};
Tox_Events *events = tox_events_load(sys.sys.get(), events_data, events_size);
if (events) {
std::vector<uint8_t> packed(tox_events_bytes_size(events));
tox_events_get_bytes(events, packed.data());
}
tox_events_free(events);
}
} // namespace
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
TestUnpack(Fuzz_Data(data, size));
return 0;
}