diff options
| -rw-r--r-- | Zend/zend_alloc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c index 4225c1754a..856abc6711 100644 --- a/Zend/zend_alloc.c +++ b/Zend/zend_alloc.c @@ -1125,6 +1125,9 @@ ZEND_API zend_mm_heap *zend_mm_startup(void) if (zend_mm_low_bit(seg_size) != zend_mm_high_bit(seg_size)) { fprintf(stderr, "ZEND_MM_SEG_SIZE must be a power of two\n"); exit(255); + } else if (seg_size < ZEND_MM_ALIGNED_SEGMENT_SIZE + ZEND_MM_ALIGNED_HEADER_SIZE) { + fprintf(stderr, "ZEND_MM_SEG_SIZE is too small\n"); + exit(255); } } else { seg_size = ZEND_MM_SEG_SIZE; |