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update fuzzer

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This commit is contained in:
Randy 2019-07-11 15:03:04 +02:00
parent 2691e142f4
commit e6bc5d16e6
1 changed files with 14 additions and 9 deletions
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23
fuzzing/cjson_read_fuzzer.cc
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@ -19,9 +19,19 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
int formatted = data[2] == '1' ? 1 : 0;
int buffered = data[3] == '1' ? 1 : 0;
cJSON *json = cJSON_ParseWithOpts((const char*)data + offset, NULL, require_termination);
unsigned char *copied = (unsigned char*)malloc(size);
if(copied == NULL) return 0;
if(json == NULL) return 0;
memcpy(copied, data, size);
copied[size-1] = '\0';
cJSON *json = cJSON_ParseWithOpts((const char*)copied + offset, NULL, require_termination);
if(json == NULL)
{
free(copied);
return 0;
}
char *printed_json = NULL;
@ -46,16 +56,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
if(minify)
{
unsigned char *copied = (unsigned char*)malloc(size);
memcpy(copied, data + offset, size);
cJSON_Minify((char*)printed_json);
free(copied);
cJSON_Minify((char*)copied + offset);
}
cJSON_Delete(json);
free(copied);
return 0;
}