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libxml2/fuzz/schema.c
Nick Wellnhofer 85c817a200 Improve fuzzer stability
- Add more calls to xmlInitializeCatalog.
- Call xmlResetLastError after fuzzing each input.
2021-02-22 22:29:28 +01:00

45 lines
1001 B
C

/*
* 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);
}