Back port request: JDK-8156478: 3 Buffer overrun defect groups in jexec.c

[Henry Jen]

Hi,

Please review this backport request for launcher, the fix is trivial,

diff -r 561c1038f71a src/solaris/bin/jexec.c
--- a/src/solaris/bin/jexec.c	Fri May 13 18:39:58 2016 +0300
+++ b/src/solaris/bin/jexec.c	Fri May 20 13:44:51 2016 -0700
@@ -331,6 +331,7 @@
                 off_t end   = start  + xlen;

                 if (end <= count) {
+                    end -= 4; // make sure there are 4 bytes to read at start
                     while (start < end) {
                         off_t xhid  = SH(buf, start);
                         off_t xdlen = SH(buf, start + 2);

Cheers,
Henry