Author: kkolinko
Date: Mon Oct 20 12:34:52 2014
New Revision: 1633128

URL: http://svn.apache.org/r1633128
Log:
Do not increase remaining counter at end of stream in IdentityInputFilter.
I do not know of a scenario where this results in anything observable, but I 
think it is safer to fix the arithmetics here.

Modified:
    tomcat/trunk/java/org/apache/coyote/http11/filters/IdentityInputFilter.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: 
tomcat/trunk/java/org/apache/coyote/http11/filters/IdentityInputFilter.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http11/filters/IdentityInputFilter.java?rev=1633128&r1=1633127&r2=1633128&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http11/filters/IdentityInputFilter.java 
(original)
+++ tomcat/trunk/java/org/apache/coyote/http11/filters/IdentityInputFilter.java 
Mon Oct 20 12:34:52 2014
@@ -118,7 +118,9 @@ public class IdentityInputFilter impleme
                 } else {
                     result = nRead;
                 }
-                remaining = remaining - nRead;
+                if (nRead > 0) {
+                    remaining = remaining - nRead;
+                }
             } else {
                 // No more bytes left to be read : return -1 and clear the
                 // buffer

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1633128&r1=1633127&r2=1633128&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Mon Oct 20 12:34:52 2014
@@ -177,6 +177,10 @@
       <add>
         Disable SSLv3 by default for the APR/native HTTPS connector. (markt)
       </add>
+      <fix>
+        Do not increase remaining counter at end of stream in
+        IdentityInputFilter. (kkolinko)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Jasper">



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