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fix invalid page detection

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This commit is contained in:
Eduard Voronkin 2025-03-30 21:18:44 -07:00
parent 7d4ee62386
commit 722c48df08
1 changed files with 2 additions and 1 deletions
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3
include/mimalloc/internal.h
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@ -573,7 +573,8 @@ static inline mi_page_t* _mi_checked_ptr_page(const void* p) {
size_t sub_idx;
const size_t idx = _mi_page_map_index(p, &sub_idx);
mi_page_t** const sub = _mi_page_map[idx];
if mi_unlikely(sub == NULL) return (mi_page_t*)&_mi_page_empty;
if mi_unlikely (sub == NULL || *sub == NULL)
return (mi_page_t *)&_mi_page_empty;
return sub[sub_idx];
}