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fuzz: Fix failure injection in schema fuzzer

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This commit is contained in:
Nick Wellnhofer 2024-12-11 16:24:43 +01:00
parent fd359a7e49
commit f5257d92bf
3 changed files with 15 additions and 2 deletions
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4
fuzz/api.c
View File

@ -35,7 +35,9 @@
#include <stdlib.h>
#include <string.h>
#define XML_DEPRECATED
#ifndef XML_DEPRECATED
#define XML_DEPRECATED
#endif
#include <libxml/catalog.h>
#include <libxml/HTMLtree.h>

9
fuzz/schema.c
View File

@ -4,8 +4,13 @@
* See Copyright for the status of this software.
*/
#ifndef XML_DEPRECATED
#define XML_DEPRECATED
#endif
#include <libxml/catalog.h>
#include <libxml/xmlschemas.h>
#include <libxml/xmlschemastypes.h>
#include "fuzz.h"
int
@ -30,9 +35,10 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
if (size > 200000)
return(0);
xmlFuzzDataInit(data, size);
failurePos = xmlFuzzReadInt(4) % (size + 100);
xmlFuzzDataInit(data, size);
xmlFuzzReadEntities();
xmlFuzzInjectFailure(failurePos);
@ -66,6 +72,7 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
xmlFuzzInjectFailure(0);
xmlFuzzDataCleanup();
xmlResetLastError();
xmlSchemaCleanupTypes();
return(0);
}

4
fuzz/testFuzzer.c
View File

@ -5,6 +5,10 @@
* See Copyright for the status of this software.
*/
#ifndef XML_DEPRECATED
#define XML_DEPRECATED
#endif
#include <string.h>
#include <glob.h>
#include <libxml/parser.h>