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Merge branch 'PHP-8.1' into PHP-8.2

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* PHP-8.1:
  Fix unspecified behaviour in zend_alloc in heap->limit computation
This commit is contained in:
Niels Dossche 2023-11-06 19:44:33 +01:00
commit 7ac9578e41
1 changed files with 3 additions and 3 deletions
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6
Zend/zend_alloc.c
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@ -1934,7 +1934,7 @@ static zend_mm_heap *zend_mm_init(void)
heap->peak = 0;
#endif
#if ZEND_MM_LIMIT
heap->limit = ((size_t)Z_L(-1) >> (size_t)Z_L(1));
heap->limit = (size_t)Z_L(-1) >> 1;
heap->overflow = 0;
#endif
#if ZEND_MM_CUSTOM
@ -2898,7 +2898,7 @@ static void alloc_globals_ctor(zend_alloc_globals *alloc_globals)
zend_mm_heap *mm_heap = alloc_globals->mm_heap = malloc(sizeof(zend_mm_heap));
memset(mm_heap, 0, sizeof(zend_mm_heap));
mm_heap->use_custom_heap = ZEND_MM_CUSTOM_HEAP_STD;
mm_heap->limit = ((size_t)Z_L(-1) >> (size_t)Z_L(1));
mm_heap->limit = (size_t)Z_L(-1) >> 1;
mm_heap->overflow = 0;
if (!tracked) {
@ -3087,7 +3087,7 @@ ZEND_API zend_mm_heap *zend_mm_startup_ex(const zend_mm_handlers *handlers, void
heap->peak = 0;
#endif
#if ZEND_MM_LIMIT
heap->limit = (Z_L(-1) >> Z_L(1));
heap->limit = (size_t)Z_L(-1) >> 1;
heap->overflow = 0;
#endif
#if ZEND_MM_CUSTOM