src/core/ngx_cycle.c:929: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_slab_init`.

src/core/ngx_cycle.c:929:5: Call
927.     }
928. 
929.     ngx_slab_init(sp);
         ^
930. 
931.     return NGX_OK;

src/core/ngx_slab.c:85:1: <LHS trace>
83. 
84. 
85. void
    ^
86. ngx_slab_init(ngx_slab_pool_t *pool)
87. {

src/core/ngx_slab.c:85:1: Global `ngx_pagesize`
  83. 
  84. 
  85. void
      ^
  86. ngx_slab_init(ngx_slab_pool_t *pool)
  87. {

src/core/ngx_slab.c:147:5: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_slab_init` 
  145.     page->prev = (uintptr_t) &pool->free;
  146. 
  147.     pool->start = ngx_align_ptr(p + pages * sizeof(ngx_slab_page_t),
           ^
  148.                                 ngx_pagesize);
  149. 
