glib/fuzzing/fuzz_utf8_validate.c
Philip Withnall 46259f612e fuzzing: Add a fuzz test for g_utf8_validate()
Since it’s used extensively and has to handle untrusted arbitrary binary
input.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
2022-11-07 13:20:32 +00:00

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/*
* Copyright 2022 Endless OS Foundation, LLC
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "fuzz.h"
int
LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
{
fuzz_set_logging_func ();
/* We dont care whether the fuzzer provides valid or invalid UTF-8 data, just
* that the validation function doesnt crash or do anything undefined. */
g_utf8_validate_len ((const gchar *) data, size, NULL);
return 0;
}