From: Valentin Bartenev <vbart@nginx.com>
Date: Wed, 12 Dec 2012 14:48:48 +0000 (+0000)
Subject: Limit rate: fixed integer overflow in limit calculation (ticket #256).
X-Git-Tag: release-1.3.10~33
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=1a6ed2e3b1f9d995b0e5c1761aa77da474061661;p=nginx.git

Limit rate: fixed integer overflow in limit calculation (ticket #256).

Patch by Alexey Antropov.
---

diff --git a/src/http/ngx_http_write_filter_module.c b/src/http/ngx_http_write_filter_module.c
index fd44bc659..5594c7faa 100644
--- a/src/http/ngx_http_write_filter_module.c
+++ b/src/http/ngx_http_write_filter_module.c
@@ -207,7 +207,7 @@ ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in)
     }
 
     if (r->limit_rate) {
-        limit = r->limit_rate * (ngx_time() - r->start_sec + 1)
+        limit = (off_t) r->limit_rate * (ngx_time() - r->start_sec + 1)
                 - (c->sent - clcf->limit_rate_after);
 
         if (limit <= 0) {