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fix mi_cfree assertion failure for NULL pointer, issue #478

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Daan 2021-10-27 10:15:12 -07:00
parent 6d9e79a498
commit 54b65a556c
1 changed files with 1 additions and 0 deletions
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src/segment-cache.c
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@ -267,6 +267,7 @@ void _mi_segment_map_freed_at(const mi_segment_t* segment) {
// Determine the segment belonging to a pointer or NULL if it is not in a valid segment.
static mi_segment_t* _mi_segment_of(const void* p) {
mi_segment_t* segment = _mi_ptr_segment(p);
if (segment == NULL) return NULL;
size_t bitidx;
size_t index = mi_segment_map_index_of(segment, &bitidx);
// fast path: for any pointer to valid small/medium/large object or first MI_SEGMENT_SIZE in huge