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Fuzz with 3kb, 8kb

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This commit is contained in:
Alex Hultman
2020-07-02 03:25:05 +02:00
parent 8dfabd559d
commit f397a2f89c
2 changed files with 39 additions and 39 deletions
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fuzzing/MockedBroadcastingEchoServer.cpp
+1 -1
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@@ -18,7 +18,7 @@ extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
/* Very simple WebSocket echo server */ /* Very simple WebSocket echo server */
app = new uWS::TemplatedApp<false>(uWS::App().ws<PerSocketData>("/*", { app = new uWS::TemplatedApp<false>(uWS::App().ws<PerSocketData>("/*", {
/* Settings */ /* Settings */
.compression = uWS::DEDICATED_COMPRESSOR_3KB, .compression = uWS::DEDICATED_COMPRESSOR_8KB,
/* We want this to be low so that we can hit it, yet bigger than 256 */ /* We want this to be low so that we can hit it, yet bigger than 256 */
.maxPayloadLength = 300, .maxPayloadLength = 300,
.idleTimeout = 10, .idleTimeout = 10,
fuzzing/PerMessageDeflate.cpp
+38 -38
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@@ -1,38 +1,38 @@
/* This is a fuzz test of the permessage-deflate module */ /* This is a fuzz test of the permessage-deflate module */
#define WIN32_EXPORT #define WIN32_EXPORT
#include <cstdio> #include <cstdio>
#include <string> #include <string>
/* We test the permessage deflate module */ /* We test the permessage deflate module */
#include "../src/PerMessageDeflate.h" #include "../src/PerMessageDeflate.h"
#include "helpers.h" #include "helpers.h"
struct StaticData { struct StaticData {
uWS::ZlibContext zlibContext; uWS::ZlibContext zlibContext;
uWS::InflationStream inflationStream; uWS::InflationStream inflationStream;
uWS::DeflationStream deflationStream = uWS::DEDICATED_COMPRESSOR_8KB; uWS::DeflationStream deflationStream = uWS::DEDICATED_COMPRESSOR_3KB;
} staticData; } staticData;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
/* Why is this padded? */ /* Why is this padded? */
makeChunked(makePadded(data, size), size, [](const uint8_t *data, size_t size) { makeChunked(makePadded(data, size), size, [](const uint8_t *data, size_t size) {
auto [inflation, valid] = staticData.inflationStream.inflate(&staticData.zlibContext, std::string_view((char *) data, size), 256); auto [inflation, valid] = staticData.inflationStream.inflate(&staticData.zlibContext, std::string_view((char *) data, size), 256);
if (inflation.length() > 256) { if (inflation.length() > 256) {
/* Cause ASAN to freak out */ /* Cause ASAN to freak out */
delete (int *) (void *) 1; delete (int *) (void *) 1;
} }
}); });
makeChunked(makePadded(data, size), size, [](const uint8_t *data, size_t size) { makeChunked(makePadded(data, size), size, [](const uint8_t *data, size_t size) {
/* Always reset */ /* Always reset */
staticData.deflationStream.deflate(&staticData.zlibContext, std::string_view((char *) data, size), true); staticData.deflationStream.deflate(&staticData.zlibContext, std::string_view((char *) data, size), true);
}); });
return 0; return 0;
} }