mirror of
https://github.com/rhasspy/espeak-ng.git
synced 2026-10-31 05:35:35 +00:00
Samuel Thibault
eabe24901f
-fsanitize=fuzzer-no-link makes it workable to build a library with fuzzing enabled, and let the fuzzing test program explicitly trigger the fuzzing. This allows fuzzing to trace cmp instructions to guide the fuzzing to improve results.
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
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* Copyright (C) 2018 Sascha Brawer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write see:
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* <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libgen.h>
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#include <time.h>
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#include <espeak-ng/espeak_ng.h>
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#define BOLDRED(x) "\x1b[31m\x1b[1m" x "\x1b[0m"
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static int initialized = 0;
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static int
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espeak_callback(short *data, int samples, espeak_EVENT *events)
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{
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(void)data;
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(void)samples;
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(void)events;
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return 0;
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}
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/* See http://llvm.org/docs/LibFuzzer.html */
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extern int LLVMFuzzerRunDriver(int *argc, char ***argv,
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int (*UserCb)(const uint8_t *Data, size_t Size));
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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int buflength = size+1;
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if (!initialized)
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{
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int options = espeakINITIALIZE_DONT_EXIT;
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espeak_Initialize(AUDIO_OUTPUT_SYNCHRONOUS, buflength, PATH_ESPEAK_DATA, options);
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espeak_SetSynthCallback(espeak_callback);
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const char *lang = getenv("FUZZ_VOICE");
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if (lang == NULL)
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{
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fprintf(stderr, "\n" BOLDRED("[Please set up FUZZ_VOICE env var before starting fuzzer]") "\n\n");
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exit(1);
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}
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if (espeak_SetVoiceByName(lang) != EE_OK)
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{
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fprintf(stderr, "\n" BOLDRED("[Please supply a valid voice in FUZZ_VOICE]") "\n\n");
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exit(1);
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}
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initialized = 1;
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fprintf(stderr, "VOICE FUZZED = %s\n", lang);
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}
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char *mutable_data = strndup((char *)data, size);
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if (!mutable_data)
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{
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perror("malloc");
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exit(1);
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}
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unsigned int position = 0, position_type = POS_CHARACTER, end_position = 0 , synth_flags = espeakCHARS_AUTO;
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espeak_Synth(mutable_data, buflength, position, position_type, end_position,
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synth_flags, NULL, NULL);
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free(mutable_data);
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return 0;
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}
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int main(int argc, char *argv[]) {
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LLVMFuzzerRunDriver(&argc, &argv, LLVMFuzzerTestOneInput);
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}
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