This is an archive of the discontinued Mercurial Phabricator instance.

Status	Author	Revision
Closed	durin42	D7568 fuzz: clean up some repetition on building parsers.so fuzzers
Closed	durin42	D7567 fuzz: remove legacy setup for running fuzzers outside oss-fuzz
Closed	durin42	D7566 tests: finally fix up test-fuzz-targets.t
Closed	durin42	D7565 fuzz: make standalone_fuzz_target_runner call LLVMFuzzerInitialize
Closed	durin42	D7564 fuzz: use a more standard approach to allow local builds of fuzzers
Closed	durin42	D7563 fuzz: use a variable to allow specifying python-config to use
Closed	durin42	D7562 fuzz: suppress deprecated-register warnings in our compile
Closed	durin42	D7561 fuzz: follow modern guidelines and use LIB_FUZZING_ENGINE
Closed	durin42	D7560 fuzz: always define LLVMFuzzerInitialize() even if we don't need it
Closed	durin42	D7559 fuzz: remove debug prints from revlog_corpus.py
Closed	durin42	D7558 fuzz: fix an unused result on getcwd() in pyutil

Diff 18498

	/*			/*
	* bdiff.cc - fuzzer harness for bdiff.c			* bdiff.cc - fuzzer harness for bdiff.c
	*			*
	* Copyright 2018, Google Inc.			* Copyright 2018, Google Inc.
	*			*
	* This software may be used and distributed according to the terms of			* This software may be used and distributed according to the terms of
	* the GNU General Public License, incorporated herein by reference.			* the GNU General Public License, incorporated herein by reference.
	*/			*/
	#include <memory>			#include <memory>
	#include <stdlib.h>			#include <stdlib.h>

	#include <fuzzer/FuzzedDataProvider.h>			#include <fuzzer/FuzzedDataProvider.h>

	extern "C" {			extern "C" {
	#include "bdiff.h"			#include "bdiff.h"

				extern "C" int LLVMFuzzerInitialize(int argc, char **argv)
				{
				return 0;
				}

	int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)			int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
	{			{
	FuzzedDataProvider provider(Data, Size);			FuzzedDataProvider provider(Data, Size);
	std::string left = provider.ConsumeRandomLengthString(Size);			std::string left = provider.ConsumeRandomLengthString(Size);
	std::string right = provider.ConsumeRemainingBytesAsString();			std::string right = provider.ConsumeRemainingBytesAsString();

	struct bdiff_line a, b;			struct bdiff_line a, b;
	int an = bdiff_splitlines(left.c_str(), left.size(), &a);			int an = bdiff_splitlines(left.c_str(), left.size(), &a);

	/*			/*
	* mpatch.cc - fuzzer harness for mpatch.c			* mpatch.cc - fuzzer harness for mpatch.c
	*			*
	* Copyright 2018, Google Inc.			* Copyright 2018, Google Inc.
	*			*
	* This software may be used and distributed according to the terms of			* This software may be used and distributed according to the terms of
	* the GNU General Public License, incorporated herein by reference.			* the GNU General Public License, incorporated herein by reference.
	*/			*/
	#include <iostream>			#include <iostream>
	#include <memory>			#include <memory>
	#include <stdint.h>			#include <stdint.h>
	#include <stdlib.h>			#include <stdlib.h>
	#include <vector>			#include <vector>

	#include "fuzzutil.h"			#include "fuzzutil.h"

				extern "C" int LLVMFuzzerInitialize(int argc, char **argv)
				{
				return 0;
				}

	// To avoid having too many OOMs from the fuzzer infrastructure, we'll			// To avoid having too many OOMs from the fuzzer infrastructure, we'll
	// skip patch application if the resulting fulltext would be bigger			// skip patch application if the resulting fulltext would be bigger
	// than 10MiB.			// than 10MiB.
	#define MAX_OUTPUT_SIZE 10485760			#define MAX_OUTPUT_SIZE 10485760

	extern "C" {			extern "C" {
	#include "bitmanipulation.h"			#include "bitmanipulation.h"
	#include "mpatch.h"			#include "mpatch.h"

	/*			/*
	* xdiff.cc - fuzzer harness for thirdparty/xdiff			* xdiff.cc - fuzzer harness for thirdparty/xdiff
	*			*
	* Copyright 2018, Google Inc.			* Copyright 2018, Google Inc.
	*			*
	* This software may be used and distributed according to the terms of			* This software may be used and distributed according to the terms of
	* the GNU General Public License, incorporated herein by reference.			* the GNU General Public License, incorporated herein by reference.
	*/			*/
	#include "thirdparty/xdiff/xdiff.h"			#include "thirdparty/xdiff/xdiff.h"
	#include <inttypes.h>			#include <inttypes.h>
	#include <stdlib.h>			#include <stdlib.h>

	#include <fuzzer/FuzzedDataProvider.h>			#include <fuzzer/FuzzedDataProvider.h>

	extern "C" {			extern "C" {

				int LLVMFuzzerInitialize(int argc, char **argv)
				{
				return 0;
				}

	int hunk_consumer(long a1, long a2, long b1, long b2, void *priv)			int hunk_consumer(long a1, long a2, long b1, long b2, void *priv)
	{			{
	// TODO: probably also test returning -1 from this when things break?			// TODO: probably also test returning -1 from this when things break?
	return 0;			return 0;
	}			}

	int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)			int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
	{			{