[njs] Fixed possible buffer overrun during numbers parsing.

[Dmitry Volyntsev]

details:   http://hg.nginx.org/njs/rev/a782bc08b927
branches:  
changeset: 350:a782bc08b927
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Wed May 31 20:42:15 2017 +0300
description:
Fixed possible buffer overrun during numbers parsing.

diffstat:

 njs/njs_number.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff -r 559d256dd65b -r a782bc08b927 njs/njs_number.c
--- a/njs/njs_number.c	Wed May 31 20:36:01 2017 +0300
+++ b/njs/njs_number.c	Wed May 31 20:42:15 2017 +0300
@@ -101,7 +101,7 @@ njs_number_dec_parse(u_char **start, u_c
         p++;
     }
 
-    if (*p == '.') {
+    if (p < end && *p == '.') {
 
         frac = 0;
         scale = 1;