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Do not delete main chunk in zend_gc #18756

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Do not delete main chunk in zend_gc #18756

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0f321b0
Do not delete main chunk in zend_gc
danog Jun 4, 2025
4eb41c2
Add test
arnaud-lb Jun 5, 2025
33a2155
Fix test
arnaud-lb Jun 6, 2025
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2 changes: 1 addition & 1 deletion Zend/zend_alloc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2047,7 +2047,7 @@ ZEND_API size_t zend_mm_gc(zend_mm_heap *heap)
i++;
}
}
if (chunk->free_pages == ZEND_MM_PAGES - ZEND_MM_FIRST_PAGE) {
if (chunk->free_pages == ZEND_MM_PAGES - ZEND_MM_FIRST_PAGE && chunk != heap->main_chunk) {
zend_mm_chunk *next_chunk = chunk->next;

zend_mm_delete_chunk(heap, chunk);
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