src/java.base/share/classes/java/io/StringBufferInputStream.java

rev 15329 : imported patch 8163518-Integer-overflow-in-StringBufferInputStream-read-byte-int-int

*** 116,127 ****
              throw new IndexOutOfBoundsException();
          }
          if (pos >= count) {
              return -1;
          }
!         if (pos + len > count) {
!             len = count - pos;
          }
          if (len <= 0) {
              return 0;
          }
          String  s = buffer;
--- 116,129 ----
              throw new IndexOutOfBoundsException();
          }
          if (pos >= count) {
              return -1;
          }
! 
!         int avail = count - pos;
!         if (len > avail) {
!             len = avail;
          }
          if (len <= 0) {
              return 0;
          }
          String  s = buffer;