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fuzz: Also set fuzzAllocFailed if a real allocation fails

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Avoid false positives in real OOM situations.
This commit is contained in:
Nick Wellnhofer 2024-04-14 19:33:21 +02:00
parent 20b0bd9800
commit 971ce40409
1 changed files with 18 additions and 4 deletions
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22
fuzz/fuzz.c
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@ -68,6 +68,8 @@ xmlFuzzErrorFunc(void *ctx ATTRIBUTE_UNUSED, const char *msg ATTRIBUTE_UNUSED,
static void *
xmlFuzzMalloc(size_t size) {
void *ret;
if (fuzzMaxAllocs > 0) {
fuzzNumAllocs += 1;
if (fuzzNumAllocs == fuzzMaxAllocs) {
@ -75,14 +77,21 @@ xmlFuzzMalloc(size_t size) {
abort();
#endif
fuzzAllocFailed = 1;
return(NULL);
return NULL;
}
}
return malloc(size);
ret = malloc(size);
if (ret == NULL)
fuzzAllocFailed = 1;
return ret;
}
static void *
xmlFuzzRealloc(void *ptr, size_t size) {
void *ret;
if (fuzzMaxAllocs > 0) {
fuzzNumAllocs += 1;
if (fuzzNumAllocs == fuzzMaxAllocs) {
@ -90,10 +99,15 @@ xmlFuzzRealloc(void *ptr, size_t size) {
abort();
#endif
fuzzAllocFailed = 1;
return(NULL);
return NULL;
}
}
return realloc(ptr, size);
ret = realloc(ptr, size);
if (ret == NULL)
fuzzAllocFailed = 1;
return ret;
}
void