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Report the correct and wrong sizes on sized dealloc bug detection.

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This commit is contained in:
Qi Wang
2021-02-05 17:26:45 -08:00
committed by Qi Wang
parent f3b2668b32
commit 041145c272
5 changed files with 30 additions and 16 deletions
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10
src/tcache.c
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@@ -255,10 +255,14 @@ tcache_bin_flush_size_check_fail(cache_bin_ptr_array_t *arr, szind_t szind,
size_t nptrs, emap_batch_lookup_result_t *edatas) {
bool found_mismatch = false;
for (size_t i = 0; i < nptrs; i++) {
if (edata_szind_get(edatas[i].edata) != szind) {
szind_t true_szind = edata_szind_get(edatas[i].edata);
if (true_szind != szind) {
found_mismatch = true;
safety_check_fail_sized_dealloc(false,
tcache_bin_flush_ptr_getter(arr, i));
safety_check_fail_sized_dealloc(
/* current_dealloc */ false,
/* ptr */ tcache_bin_flush_ptr_getter(arr, i),
/* true_size */ sz_index2size(true_szind),
/* input_size */ sz_index2size(szind));
}
}
assert(found_mismatch);