src/http/ngx_http_upstream.c:2376: error: Integer Overflow L2
  ([0, `r->main->count` + 8] - 1):unsigned32 by call to `ngx_http_upstream_process_body_in_memory`.

src/http/ngx_http_upstream.c:2194:1: Parameter `r->main->count`
2192. 
2193. 
2194. static void
      ^
2195. ngx_http_upstream_process_header(ngx_http_request_t *r, ngx_http_upstream_t *u)
2196. {

src/http/ngx_http_upstream.c:2334:9: Call
2332.     }
2333. 
2334.     if (ngx_http_upstream_process_headers(r, u) != NGX_OK) {
              ^
2335.         return;
2336.     }

src/http/ngx_http_upstream.c:2635:1: Parameter `r->main->count`
  2633. 
  2634. 
  2635. static ngx_int_t
        ^
  2636. ngx_http_upstream_process_headers(ngx_http_request_t *r, ngx_http_upstream_t *u)
  2637. {

src/http/ngx_http_upstream.c:2376:5: Call
2374.     u->read_event_handler = ngx_http_upstream_process_body_in_memory;
2375. 
2376.     ngx_http_upstream_process_body_in_memory(r, u);
          ^
2377. }
2378. 

src/http/ngx_http_upstream.c:2778:1: Parameter `r->main->count`
  2776. 
  2777. 
  2778. static void
        ^
  2779. ngx_http_upstream_process_body_in_memory(ngx_http_request_t *r,
  2780.     ngx_http_upstream_t *u)

src/http/ngx_http_upstream.c:2796:9: Call
  2794.     if (rev->timedout) {
  2795.         ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out");
  2796.         ngx_http_upstream_finalize_request(r, u, NGX_HTTP_GATEWAY_TIME_OUT);
                ^
  2797.         return;
  2798.     }

src/http/ngx_http_upstream.c:4248:1: Parameter `r->main->count`
    4246. 
    4247. 
    4248. static void
          ^
    4249. ngx_http_upstream_finalize_request(ngx_http_request_t *r,
    4250.     ngx_http_upstream_t *u, ngx_int_t rc)

src/http/ngx_http_upstream.c:4259:9: Call
    4257.     if (u->cleanup == NULL) {
    4258.         /* the request was already finalized */
    4259.         ngx_http_finalize_request(r, NGX_DONE);
                  ^
    4260.         return;
    4261.     }

src/http/ngx_http_request.c:2307:1: Parameter `r->main->count`
      2305. 
      2306. 
      2307. void
            ^
      2308. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
      2309. {

src/http/ngx_http_request.c:2345:13: Call
      2343.         || c->error)
      2344.     {
      2345.         if (ngx_http_post_action(r) == NGX_OK) {
                        ^
      2346.             return;
      2347.         }

src/http/ngx_http_request.c:3391:1: <LHS trace>
3389. 
3390. 
3391. static ngx_int_t
      ^
3392. ngx_http_post_action(ngx_http_request_t *r)
3393. {

src/http/ngx_http_request.c:3391:1: Parameter `r->main->count`
        3389. 
        3390. 
        3391. static ngx_int_t
              ^
        3392. ngx_http_post_action(ngx_http_request_t *r)
        3393. {

src/http/ngx_http_request.c:3409:5: Binary operation: ([0, r->main->count + 8] - 1):unsigned32 by call to `ngx_http_upstream_process_body_in_memory` 
        3407.                    "post action: \"%V\"", &clcf->post_action);
        3408. 
        3409.     r->main->count--;
                  ^
        3410. 
        3411.     r->http_version = NGX_HTTP_VERSION_9;
