kc3-lang/libxml2/fuzz/schema.c
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Hash : 85c817a2
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Date : 2021-02-22T21:28:21
Improve fuzzer stability - Add more calls to xmlInitializeCatalog. - Call xmlResetLastError after fuzzing each input.
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fuzz/schema.c
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/* * schema.c: a libFuzzer target to test the XML Schema processor. * * See Copyright for the status of this software. */ #include <libxml/catalog.h> #include <libxml/xmlschemas.h> #include "fuzz.h" int LLVMFuzzerInitialize(int *argc ATTRIBUTE_UNUSED, char ***argv ATTRIBUTE_UNUSED) { xmlInitParser(); #ifdef LIBXML_CATALOG_ENABLED xmlInitializeCatalog(); #endif xmlSetGenericErrorFunc(NULL, xmlFuzzErrorFunc); xmlSetExternalEntityLoader(xmlFuzzEntityLoader); return 0; } int LLVMFuzzerTestOneInput(const char *data, size_t size) { xmlSchemaParserCtxtPtr pctxt; if (size > 50000) return(0); xmlFuzzDataInit(data, size); xmlFuzzReadEntities(); pctxt = xmlSchemaNewParserCtxt(xmlFuzzMainUrl()); xmlSchemaSetParserErrors(pctxt, xmlFuzzErrorFunc, xmlFuzzErrorFunc, NULL); xmlSchemaFree(xmlSchemaParse(pctxt)); xmlSchemaFreeParserCtxt(pctxt); xmlFuzzDataCleanup(); xmlResetLastError(); return(0); }