[nginx] Resolver: fixed possible segmentation fault on DNS forma...

[Maxim Dounin]

details:   http://hg.nginx.org/nginx/rev/81d44cd4044e
branches:  
changeset: 6347:81d44cd4044e
user:      Roman Arutyunyan <arut at nginx.com>
date:      Tue Jan 26 16:46:18 2016 +0300
description:
Resolver: fixed possible segmentation fault on DNS format error.

diffstat:

 src/core/ngx_resolver.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -1312,7 +1312,7 @@ ngx_resolver_process_response(ngx_resolv
         times = 0;
 
         for (q = ngx_queue_head(&r->name_resend_queue);
-             q != ngx_queue_sentinel(&r->name_resend_queue) || times++ < 100;
+             q != ngx_queue_sentinel(&r->name_resend_queue) && times++ < 100;
              q = ngx_queue_next(q))
         {
             rn = ngx_queue_data(q, ngx_resolver_node_t, queue);