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faster backtrace; show predecessor blocks on block overflow

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Daan 2021-12-10 17:16:37 -08:00
parent b6e2b6e975
commit 5739714b8d
4 changed files with 20 additions and 16 deletions
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5
test/main-override-static.c
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@ -62,7 +62,8 @@ int main() {
static void invalid_free() {
free((void*)0xBADBEEF);
realloc((void*)0xBADBEEF,10);
void* p = realloc((void*)0xBADBEEF,10);
free(p);
}
static void block_overflow1() {
@ -165,7 +166,7 @@ static void corrupt_free2() {
// allocate more.. trying to trigger an allocation from a corrupted entry
// this may need many allocations to get there (if at all)
for (int i = 0; i < 4096; i++) {
malloc(SZ);
void* p = malloc(SZ);
}
// free the rest
for (int i = 0; i < N; i++) {