From: Sergey Kandaurov <pluknet@nginx.com>
Date: Sat, 21 Mar 2020 16:45:24 +0000 (+0300)
Subject: Fixed parsing NGX_QUIC_FT_CONNECTION_CLOSE.
X-Git-Tag: release-1.25.0~4^2~853
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=2af37e507db9648f1f11a7ad39c516445f126de2;p=nginx.git

Fixed parsing NGX_QUIC_FT_CONNECTION_CLOSE.
---

diff --git a/src/event/ngx_event_quic_transport.c b/src/event/ngx_event_quic_transport.c
index 826af2bdd..e03194b80 100644
--- a/src/event/ngx_event_quic_transport.c
+++ b/src/event/ngx_event_quic_transport.c
@@ -662,9 +662,11 @@ ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end,
 
         if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
             p = ngx_quic_parse_int(p, end, &f->u.close.frame_type);
-            ngx_log_error(NGX_LOG_ERR, pkt->log, 0,
-                          "failed to parse close connection frame type");
-            return NGX_ERROR;
+            if (p == NULL) {
+                ngx_log_error(NGX_LOG_ERR, pkt->log, 0,
+                              "failed to parse close connection frame type");
+                return NGX_ERROR;
+            }
         }
 
         p = ngx_quic_parse_int(p, end, &varint);