src/core/ngx_cycle.c:929: error: Integer Overflow L2
  ([0, +oo] - 3):unsigned64 by call to `ngx_slab_init`.

src/core/ngx_cycle.c:907:5: Assignment
905. 
906.     sp->end = zn->shm.addr + zn->shm.size;
907.     sp->min_shift = 3;
         ^
908.     sp->addr = zn->shm.addr;
909. 

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_shift`
  83. 
  84. 
  85. void
      ^
  86. ngx_slab_init(ngx_slab_pool_t *pool)
  87. {

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

src/core/ngx_slab.c:85:1: Parameter `pool->min_shift`
  83. 
  84. 
  85. void
      ^
  86. ngx_slab_init(ngx_slab_pool_t *pool)
  87. {

src/core/ngx_slab.c:113:5: Binary operation: ([0, +oo] - 3):unsigned64 by call to `ngx_slab_init` 
  111.     ngx_slab_junk(p, size);
  112. 
  113.     n = ngx_pagesize_shift - pool->min_shift;
           ^
  114. 
  115.     for (i = 0; i < n; i++) {
