From a075e58606b9affb6dfb176c71caab816737a981 Mon Sep 17 00:00:00 2001 From: Steve McIntyre Date: Sat, 17 Feb 2024 17:35:37 +0000 Subject: New upstream version 15.8 --- fuzz-csv.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 fuzz-csv.c (limited to 'fuzz-csv.c') diff --git a/fuzz-csv.c b/fuzz-csv.c new file mode 100644 index 00000000..bc701df0 --- /dev/null +++ b/fuzz-csv.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: BSD-2-Clause-Patent +/* + * test-csv.c - test our csv parser + */ + +#ifndef SHIM_UNIT_TEST +#define SHIM_UNIT_TEST +#endif +#include "shim.h" + +#include + +int +test_csv_simple_fuzz(char *random_bin, size_t random_bin_len) +{ + list_t entry_list; + size_t i; + char *current, *end; + list_t *pos = NULL; + EFI_STATUS efi_status; + + INIT_LIST_HEAD(&entry_list); + + current = &random_bin[0]; + current = current + 1 - 1; + end = current + random_bin_len - 1; + *end = '\0'; + + efi_status = parse_csv_data(current, end, 7, &entry_list); + if (efi_status != EFI_SUCCESS) + return 0; + if (list_size(&entry_list) <= 1) + goto fail; + + i = 0; + list_for_each(pos, &entry_list) { + struct csv_row *csv_row; + + csv_row = list_entry(pos, struct csv_row, list); + i++; + } + + free_csv_list(&entry_list); + + return 0; +fail: + free_csv_list(&entry_list); + return -1; +} + +int +LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) +{ + int rc; + uint8_t *data_copy; + + if (size < 1) + return 0; + + data_copy = malloc(size); + if (!data_copy) + return -1; + + memcpy(data_copy, data, size); + rc = test_csv_simple_fuzz((char *)data_copy, size); + free(data_copy); + + return rc; // Values other than 0 and -1 are reserved for future use. +} + +// vim:fenc=utf-8:tw=75:noet -- cgit v1.2.3