From d00788ceeb3d75b692815aa908c68bae86aaa97a Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 14 May 2016 00:23:44 +0900
Subject: [PATCH] nghttp: More robust error handling while reading file

---
 src/nghttp.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nghttp.cc b/src/nghttp.cc
index f1e4feca..2c427947 100644
--- a/src/nghttp.cc
+++ b/src/nghttp.cc
@@ -2355,7 +2355,7 @@ ssize_t file_read_callback(nghttp2_session *session, int32_t stream_id,
     return nread;
   }
 
-  if (nread == 0) {
+  if (req->data_offset > req->data_length || nread == 0) {
     return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
   }