src/core/ngx_cycle.c:924: error: Integer Overflow L2
  ([0, +oo] - 3):unsigned64 by call to `ngx_slab_init`.

src/core/ngx_cycle.c:902:5: Assignment
900. 
901.     sp->end = zn->shm.addr + zn->shm.size;
902.     sp->min_shift = 3;
         ^
903.     sp->addr = zn->shm.addr;
904. 

src/core/ngx_cycle.c:924:5: Call
922.     }
923. 
924.     ngx_slab_init(sp);
         ^
925. 
926.     return NGX_OK;

src/core/ngx_slab.c:75:1: <LHS trace>
73. 
74. 
75. void
    ^
76. ngx_slab_init(ngx_slab_pool_t *pool)
77. {

src/core/ngx_slab.c:75:1: Global `ngx_pagesize_shift`
  73. 
  74. 
  75. void
      ^
  76. ngx_slab_init(ngx_slab_pool_t *pool)
  77. {

src/core/ngx_slab.c:75:1: <RHS trace>
73. 
74. 
75. void
    ^
76. ngx_slab_init(ngx_slab_pool_t *pool)
77. {

src/core/ngx_slab.c:75:1: Parameter `pool->min_shift`
  73. 
  74. 
  75. void
      ^
  76. ngx_slab_init(ngx_slab_pool_t *pool)
  77. {

src/core/ngx_slab.c:102:5: Binary operation: ([0, +oo] - 3):unsigned64 by call to `ngx_slab_init` 
  100. 
  101.     slots = (ngx_slab_page_t *) p;
  102.     n = ngx_pagesize_shift - pool->min_shift;
           ^
  103. 
  104.     for (i = 0; i < n; i++) {
